Pink Diamonds: Size Matters

The size of a natural pink diamond is as important as the colour!

When investing in an Australian Certified Pink Diamond, size is as important as colour!

When purchasing an Australian pink mined diamond, statistically, people fall into three classifications, the investor, the collector and the jewellery connoisseur. Regrettably, a great deal of people that are looking for a premium investment pink diamond are being misled into buying a collectable or low return pink diamond instead. 

Pink Diamond Size Matters when Investing in Pink Diamonds

In this article we will explain what the differences are between the classes and what the likely future secondary market demands will be.

INVESTMENT SIZE: 0.20ct (1/5 of a carat) or larger in size

A premium Australian investment pink diamond is commonly referred to as being “substantial and rare”. These quality larger sized, low volume pink diamonds will always remain calm through market volatility because of their strong demand from the Australian, Asian and American jewellery / investment markets. Statistically only 9.66% of all certified Pink Diamonds from the Australian pink diamond mine are 0.20ct or larger in size. They are considered substantial enough to be set into single stone bespoke jewellery and over time up to 50% of these already rare diamonds will be set into family heirlooms, disappearing off the global market for decades. Making them even more rare by volume.

SEMI INVESTMENT SIZE: 0.15ct to 0.19ct in size

Semi investment pink diamonds fall in the category of being on the boarder of investment and collectable. Statistically 90.34% of all pink diamonds from the Australian pink diamond mine fall in the 0.01ct to 0.19ct weight group. Therefore, the secondary market price for these Investment / collectable pink diamonds will purely be based on the volume available on the market at any one time. When considering this weight group as an investment, it’s important to consider that most of these pink diamonds are generally too small to be set in a singe stone item of jewellery. They also have a lower financial growth rate than the rarer 0.20ct plus sizes and will take considerably more time to liquidate because of the higher numbers available on the market, making them a much longer-term secondary investment option.

COLLECTABLE SIZE: 0.08ct to 0.14ct in size

Australian collectable pink diamonds are commonly referred to as being “pretty and precious” because of their smaller sizes. Due to the abundant numbers in the 0.08ct to 0.14ct weight group, even in the stronger colour saturations, these diamonds never attract the same quarterly allocation price increases as the rarer 0.20ct plus Australian certified pink diamonds, making them a disadvantaged investment option.

To demonstrate how common the 0.08ct to 0.14ct weight group is, according to Australian Pink Diamond Analytics, statistically from 2005 till 2020 in an Australian round pink diamond with quality grades of 6PP SI2 there has been 4,725 diamonds produced. These numbers are extremely high when compared to only 28 diamonds produced in the larger 0.30ct to 0.39ct weight category in the same time frame. These numbers speak for them self and explains why size is a dominating factor when it comes to the rarity and value of an Australian pink diamond.

JEWELLERY SIZE: 0.01ct to 0.07ct in size​

Small Australian pink diamonds are commonly referred to as jewellery garnishing. This weight category should be considered purely for bespoke Jewellery designs only and generally has little to no collectability with a miniscule financial growth rate.