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Cushion|Natural|GIA

3.51ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 2557031498

Certificate GIA 2557031498

Diamond specifications and retailer prices

From $66,437 AUD
₹4,434,303 INR
As of November 2, 2026
Save $13,686 AUD (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $80,123 AUD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 3.51ct natural cushion diamond

This 3.51ct natural cushion sits in the three to five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557031498. Listed at 3 retailers as of October 30, 2026, with prices from $66,437 to $80,123, a $13,686 spread on the same certified stone. 77 Diamonds lists it at $80,123. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557031498
Dimensions10.76 × 7.49 × 5.11 mm
L/W Ratio1.44
Top View
10.76 mm7.49 mm3.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557031498
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $80,123 AUD|Low: $53,951 AUD|High: $80,123 AUD|Avg: $62,412 AUD|+17.9%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5$53,951 AUD
Retailer 6$55,180 AUD
Retailer 4$59,753 AUD
Retailer 2$66,437 AUD
Retailer 3$67,057 AUD
77 Diamonds$80,123 AUD

38 data points across 6 retailers

3 retailers$66,437 AUD to $80,123 AUD

B+
Cheapest Retailer
-
$66,437 AUD
₹4,434,303 INR
B+
Retailer 2
-
$67,057 AUD
CA$65,271 CAD
View
Most Expensive
B
77 Diamonds
CUSMB7U8VNHMX · Oct 30
$80,123 AUD
£44,214 GBP
View
2 more retailers have this diamond
Prices start from $66,437 AUDSave up to $13,686 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.

B+
3.51ct Cushion
$66,437 AUD