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Cushion|Natural|GIA

1.51ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 6552502605

Certificate GIA 6552502605

Diamond specifications and retailer prices

From $8,312 NZD
As of November 5, 2026
Save $8,322 NZD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $16,635 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552502605. Listed at 9 retailers as of November 4, 2026, with prices from $8,312 to $16,635, a $8,322 spread on the same certified stone. MOH London lists it at $16,635. 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

1.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.5°
OriginNatural
Grading LabGIA
CertificateGIA 6552502605
Dimensions7.67 × 5.92 × 4.09 mm
L/W Ratio1.30
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Needle
Top View
7.67 mm5.92 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552502605
Side View
Table 60.0%CrownGirdle: STK-VTKPavilion 35.5°Culet: NoneDepth 69.1%

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 5
Current: $16,635 NZD|Low: $8,312 NZD|High: $18,225 NZD|Avg: $11,818 NZD|-7.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$8,312 NZD
Retailer 8$9,703 NZD
Retailer 6$10,064 NZD
Retailer 2$10,609 NZD
Retailer 7$10,692 NZD
Retailer 5$11,882 NZD
Retailer 3$12,328 NZD
MOH London$16,635 NZD

43 data points across 8 retailers

9 retailers$8,312 NZD to $16,635 NZD

A
Cheapest Retailer
-
$8,312 NZD
Retailer 2
-
$9,703 NZD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$10,064 NZD
View
A
Retailer 4
-
$10,609 NZD
View
A
Retailer 5
-
$10,692 NZD
View
Final sale: no returns
B+
Retailer 6
-
$11,882 NZD
View
B+
Retailer 7
-
$11,933 NZD
View
B+
Retailer 8
-
$12,328 NZD
View
Most Expensive
B+
MOH London
41AAB6EEF · Nov 4
$16,635 NZD
£7,261 GBP
View
8 more retailers have this diamond
Prices start from $8,312 NZDSave up to $8,322 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
1.51ct Cushion
$8,312 NZD