CaratHunter
Plans
Cushion|Natural|GIA

2.51ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 6565458704

Certificate GIA 6565458704

Diamond specifications and retailer prices

From $30,596 NZD
$17,215 USD
As of November 1, 2026
Save $22,752 NZD (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $53,348 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural cushion diamond

This 2.51ct natural cushion sits in the two to three carat band, graded I 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 6565458704. Listed at 9 retailers as of November 1, 2026, with prices from $30,596 to $53,348, a $22,752 spread on the same certified stone. MOH London lists it at $53,348. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565458704
Dimensions9.09 × 7.02 × 4.90 mm
L/W Ratio1.29
Top View
9.09 mm7.02 mm2.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565458704
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.9%

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 1
Current: $53,348 NZD|Low: $29,237 NZD|High: $53,635 NZD|Avg: $36,673 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9$29,237 NZD
Retailer 4$30,596 NZD
Retailer 5$31,352 NZD
Retailer 7$32,079 NZD
Retailer 3$35,181 NZD
Retailer 6$38,448 NZD
Retailer 8$39,781 NZD
Retailer 2$41,434 NZD
MOH London$53,348 NZD

19 data points across 9 retailers

9 retailers$30,596 NZD to $53,348 NZD

Retailer 1
-
$29,237 NZD
$16,450 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$30,596 NZD
$17,215 USD
View
A
Retailer 3
-
$31,352 NZD
$17,640 USD
View
B+
Retailer 4
-
$32,079 NZD
CA$25,068 CAD
View
B+
Retailer 5
-
$35,181 NZD
£15,586 GBP
View
B+
Retailer 6
-
$38,448 NZD
$21,633 USD
View
B
Retailer 7
-
$39,781 NZD
$22,383 USD
View
B
Retailer 8
-
$41,434 NZD
€22,203 EUR
View
Most Expensive
B
MOH London
A53E81CB6 · Nov 1
$53,348 NZD
£23,635 GBP
View
8 more retailers have this diamond
Prices start from $30,596 NZDSave up to $22,752 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
$30,596 NZD