Affinity Diamonds

Yes, Affinity Diamonds is an Australian brand founded by Sam Rahme in 2002.

See Our Story to find out more about our brand history.

Yes, we offer obligation-free consultations in our Sydney boutique by appointment only. You can also meet with one of our Diamond Merchants online via a virtual appointment.

See here to make a booking today.

Along with our e-boutique, you can shop Affinity Diamonds items in our Sydney boutique by appointment only.

See here to make a booking today.

Affinity Diamonds do not have stockists. All hand crafted pieces are sold via our website or from our Sydney boutique.

Shipping and Delivery

PO Boxes will not be accepted as we require a signature on arrival.

All Affinity Diamonds products are made to order and can take between 2-3 weeks dependant on the product.

Affinity Diamonds ships to New Zealand, China, Singapore, United Kingdom and United States.

A tracking number can be supplied upon request.

Returns and Exchanges

Please see here for our returns and exchange information.

In the event in which you receive a faulty Affinity Diamonds item, please contact our team on 02 9221 0717.


Affinity Diamonds accepts VISA, Mastercard, American Express, Alipay and WeChat Pay.


Absolutely. At Affinity Diamonds, we are known for our bespoke items designed closely by you and our sales consultants.

All Affinity Diamonds pieces are handcrafted in our Sydney-based workshop. You can view our workshop while visiting our Sydney CBD boutique.

Natural vs Lab Grown Diamonds

The main difference between a natural diamond and a lab-grown diamond lies in their origin and formation process. Natural diamonds are formed naturally in the Earth's mantle over billions of years, while lab-grown diamonds are created in a laboratory within a matter of weeks or months.

Lab-grown diamonds often have fewer internal flaws or inclusions compared to natural diamonds, which can enhance their clarity. However, both natural and lab-grown diamonds can vary in terms of clarity. Regarding sustainability, the mining of natural diamonds can have significant environmental and social impacts, whereas lab-grown diamonds have a lower carbon footprint. 

It's important to note that both natural and lab-grown diamonds possess the same chemical and physical properties, and they can be visually identical to each other. They are both made of carbon and have the same crystal structure, hardness, and brilliance. The choice between natural and lab-grown diamonds ultimately depends on personal preferences, budget, and ethical

In most cases, it is challenging for a jeweller to visually distinguish between a lab-grown diamond and a natural diamond without specialized equipment. Lab-grown diamonds have the same chemical composition, crystal structure, and optical properties as natural diamonds, making them visually indistinguishable to the naked eye.

To accurately determine whether a diamond is natural or lab-grown, jewellers use specialised equipment and techniques such as spectroscopy, advanced microscopy, or diamond verification instruments. These methods can detect specific features or trace elements that are indicative of a diamond's origin.

Affinity Diamonds is transparent about the source of all their diamonds and provide appropriate documentation for the diamonds they offer.

Purchasing a lab-grown diamond has its own set of pros and cons. The advantages of purchasing a lab grown diamond is that they can typically be more affordable than natural diamonds of comparable size and quality. They are regarded as a more ethical and environmentally friendly choice, as well as offer a consistent quality and can have fewer inclusions or flaws compared to natural diamonds.

The disadvantages of purchasing a lab-grown diamond include the potential of facing some challenges in terms of perception and resale value. Lab-grown diamonds, while still precious, lack the same level of geological rarity as natural diamonds.

Ultimately, the decision to purchase a lab-grown diamond or a natural diamond depends on individual preferences, budget, and ethical considerations. It's important to research and understand the advantages and potential limitations of both options before making a purchase.

GIA (Gemological Institute of America) and IGI (International Gemological Institute) are two well-known and respected diamond grading laboratories that provide diamond certification services.

GIA is one of the most renowned and trusted diamond grading laboratories in the world. GIA and IGI diamond certification provide detailed information about the diamond's characteristics, known as the 4Cs (carat, colour, clarity and cut), along with fluorescence, symmetry, polish, measurements, and a diagram illustrating the diamond's clarity characteristics.

While GIA is generally considered the industry standard for diamond grading, IGI is also recognized and respected. However, it's worth noting that there may be slight differences in grading standards and practices between the two laboratories.

When purchasing a diamond, having a certificate from either GIA or IGI can provide assurance about the diamond's quality and characteristics. It's advisable to choose diamonds with reputable certification from either of these laboratories to ensure transparency and confidence in your purchase.

A "natural" diamond is a diamond that is formed naturally deep within the Earth over millions of years. Natural diamonds are mined from diamond-rich regions such as Canada, Australia, and Russia. Once extracted, these diamonds are cut, polished, and used in various ways. The allure of natural diamonds lies in their rarity, unique characteristics, and the long geological journey that leads to their formation.

"Natural" diamonds are graded based on aset of standardised criteria known as the 4Cs: carat weight, colour, clarity,and cut. These factors help assess the quality and value of a diamond.

In addition to the 4Cs, somegrading laboratories may also consider other factors such as fluorescence anddiamond symmetry. Independent gemmological laboratories, like the GemologicalInstitute of America (GIA) and the International Gemological Institute (IGI),provide diamond grading reports that detail these characteristics.

By evaluating and combining thesegrading factors, professionals can determine the overall quality and value of a"natural" diamond, assisting consumers in making informed decisionswhen purchasing diamonds.

The Four C's of a diamond refer to the universally recognised criteria used to assess and describe a diamond's quality. They are:

1. Cut: The cut of a diamond refers to how well it has been shaped and faceted. It affects how effectively the diamond interacts with light and determines its brilliance, sparkle, and overall beauty. A well-cut diamond allows light to reflect and refract in the most desirable way.

2. Colour: The colour grade of a diamond determines its presence of colour. The Gemmological Institute of America (GIA) grades diamonds on a scale from D (colourless) to Z (light yellow or brown). The closer a diamond is too colourless, the higher its grade and value.

3. Clarity: Clarity assesses the presence of internal and external flaws, known as inclusions and blemishes, respectively. These are natural characteristics that formed during the diamond's creation. Clarity grades range from Flawless (no visible imperfections under 10x magnification) to Included (noticeable flaws).

4. Carat Weight: Carat weight is a measure of a diamond's size and weight. Larger diamonds generally have a higher carat weight, but it's important to consider the other C's as well since the value is determined by a combination of all factors.

It is important to note that each ‘C’ carries its own significance, and finding the right balance among them is key to selecting a diamond that meets individual desires and requirements.


To repair any items, please bring in your product to our Sydney boutique.

See here to make an appointment or contact us on 02 9221 0717.

All products are inspected by one of our sales consultants prior to repairing. The repair cost of each piece is dependant on the item and the degree of damage.

All Affinity Diamonds pieces are entitled to a complimentary polish, plate and diamond check once a year. A cost will be incurred for any additional cleaning requests within the same year.

Between visits, we recommend purchasing our Diamond Jewellery Cleaning Kit . Our cleaning kit has been designed and curated to give your bespoke and handcrafted diamond jewellery pieces, a longer lasting shine.

Our Diamond Jewellery Cleaning Kit is suitable for use on gold or platinum jewellery.

You can purchase our cleaning kit here.


You can check your finger or wrist size using our online size guide.

View our size guide here to measure accurately.


Yes, Affinity Diamonds pieces are safe for everyday wear. Although we do suggest to avoid wearing your items during active outings, when applying makeup, aerols and/or cream(s) and whilst asleep.

We suggest to avoid exposing your pieces to salt water or chlorine as it may damage your item and impact your alloy overtime.