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Cushion|Lab Grown|GIA

2.83ct D IF Cushion Lab Grown Diamond

ID • D/IF • GIA 6511435124

Certificate GIA 6511435124

Diamond specifications and retailer prices

From $2,689 AUD
$1,891 USD
As of October 27, 2026
Save $11,815 AUD (81%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $14,503 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.83ct lab-grown cushion diamond

This 2.83ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6511435124. Listed at 5 retailers as of October 27, 2026, with prices from $2,689 to $14,503, a $11,815 spread on the same certified stone. Brilliant Earth lists it at $14,503. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.83
Carat
D
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6511435124
Dimensions8.13 × 7.92 × 5.15 mm
L/W Ratio1.03
Top View
8.13 mm7.92 mm2.83 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6511435124
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.9%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $14,503 AUD|Low: $6,371 AUD|High: $14,503 AUD|Avg: $9,044 AUD|+27.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 25, 2026
Retailer 4$6,371 AUD
Retailer 3$7,904 AUD
Retailer 2$8,796 AUD
Brilliant Earth$14,503 AUD

13 data points across 4 retailers

5 retailers$2,689 AUD to $14,503 AUD

A+
Cheapest Retailer
-
$2,689 AUD
$1,891 USD
Final sale: no returns
B+
Retailer 2
-
$6,371 AUD
£3,528 GBP
View
B+
Retailer 3
-
$7,904 AUD
ZAR 89,804 ZAR
View
B+
Retailer 4
-
$8,796 AUD
£4,871 GBP
View
Most Expensive
B
Brilliant Earth
13333253Y · Oct 28
$14,503 AUD
$10,200 USD
View
4 more retailers have this diamond
Prices start from $2,689 AUDSave up to $11,815 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A+
2.83ct Cushion
$2,689 AUD