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Cushion|Natural|GIA

1.51ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 6555141851

Certificate GIA 6555141851

Diamond specifications and retailer prices

From $7,379 NZD
$4,159 USD
As of October 30, 2026
Save $6,168 NZD (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $13,547 NZD at MOH London · As of October 29, 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 D 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 6555141851. Listed at 8 retailers as of October 29, 2026, with prices from $7,379 to $13,547, a $6,168 spread on the same certified stone. MOH London lists it at $13,547. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555141851
Dimensions7.82 × 5.90 × 3.95 mm
L/W Ratio1.33
Top View
7.82 mm5.90 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555141851
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.9%

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: Oct 30
Current: $13,547 NZD|Low: $6,424 NZD|High: $14,791 NZD|Avg: $8,929 NZD|-8.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$7,379 NZD
Retailer 3$7,418 NZD
Retailer 8$7,810 NZD
Retailer 5$7,997 NZD
Retailer 6$8,041 NZD
Retailer 2$8,074 NZD
Retailer 4$8,414 NZD
Retailer 9$9,003 NZD
MOH London$13,547 NZD

45 data points across 9 retailers

8 retailers$7,379 NZD to $13,547 NZD

A
Cheapest Retailer
-
$7,379 NZD
$4,159 USD
A
Retailer 2
-
$7,418 NZD
₹398,173 INR
View
A
Retailer 3
-
$7,810 NZD
$4,402 USD
View
Final sale: no returns
A
Retailer 4
-
$7,997 NZD
£3,549 GBP
View
A
Retailer 5
-
$8,041 NZD
$4,532 USD
View
A
Retailer 6
-
$8,074 NZD
A$7,000 AUD
View
A
Retailer 7
-
$8,414 NZD
£3,734 GBP
View
Most Expensive
B+
MOH London
FD5D29FA0 · Oct 29
$13,547 NZD
£6,012 GBP
View
7 more retailers have this diamond
Prices start from $7,379 NZDSave up to $6,168 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
$7,379 NZD