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Cushion|Natural|GIA

2.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6542023006

Certificate GIA 6542023006

Diamond specifications and retailer prices

From $31,123 NZD
As of November 6, 2026
Save $11,795 NZD (27%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $42,917 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542023006. Listed at 16 retailers as of November 6, 2026, with prices from $31,123 to $42,917, a $11,795 spread on the same certified stone. Wholesale Diamonds Direct lists it at $42,917. 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

2.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 6542023006
Dimensions7.67 × 7.64 × 5.22 mm
L/W Ratio1.00
Top View
7.67 mm7.64 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542023006
Side View
Table 64.0%Crown 33.4°Girdle: ThickPavilion 36.5°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
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: Nov 6
Current: $40,862 NZD|Low: $31,123 NZD|High: $41,701 NZD|Avg: $37,870 NZD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$31,123 NZD
Retailer 5$35,708 NZD
Retailer 4$36,783 NZD
Retailer 6$37,727 NZD
Retailer 3$39,385 NZD
Retailer 1$40,862 NZD
Retailer 2$41,611 NZD

45 data points across 7 retailers

16 retailers$31,123 NZD to $42,917 NZD

A
Cheapest Retailer
-
$31,123 NZD
A
Retailer 2
-
$32,827 NZD
View
A
Retailer 3
-
$33,047 NZD
View
B+
Retailer 4
-
$34,869 NZD
View
Retailer 5
-
$35,708 NZD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$36,006 NZD
View
Retailer 7
-
$36,783 NZD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$37,727 NZD
View
B+
Retailer 9
-
$37,759 NZD
View
B+
Retailer 10
-
$38,928 NZD
View
B+
Retailer 11
-
$38,928 NZD
View
B+
Retailer 12
-
$39,385 NZD
View
B+
Retailer 13
-
$40,227 NZD
View
B+
Retailer 14
-
$40,862 NZD
View
B
Retailer 15
-
$41,611 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
241967421 · Nov 6
$42,917 NZD
$23,791 USD
View
15 more retailers have this diamond
Prices start from $31,123 NZDSave up to $11,795 NZD

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
2.51ct Cushion
$31,123 NZD