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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2556417868

Certificate GIA 2556417868

Diamond specifications and retailer prices

From $5,756 NZD
HK$25,300 HKD
As of November 2, 2026
Save $6,462 NZD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,218 NZD at MOH London · As of November 2, 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 F 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 2556417868. Listed at 13 retailers as of November 2, 2026, with prices from $5,756 to $12,218, a $6,462 spread on the same certified stone. MOH London lists it at $12,218. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556417868
Dimensions6.56 × 6.51 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.56 mm6.51 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556417868
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

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 2
Current: $12,218 NZD|Low: $5,665 NZD|High: $12,879 NZD|Avg: $7,710 NZD|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 5$5,756 NZD
Retailer 12$5,782 NZD
Retailer 11$6,080 NZD
Retailer 3$6,170 NZD
Retailer 9$6,412 NZD
Retailer 2$6,893 NZD
Retailer 8$6,898 NZD
Retailer 6$7,228 NZD
Retailer 10$7,323 NZD
Retailer 7$8,680 NZD
Retailer 4$11,956 NZD
MOH London$12,218 NZD

30 data points across 12 retailers

13 retailers$5,756 NZD to $12,218 NZD

A
Cheapest Retailer
-
$5,756 NZD
HK$25,300 HKD
A
Retailer 2
-
$5,782 NZD
$3,253 USD
View
A
Retailer 3
-
$6,080 NZD
$3,421 USD
View
A
Retailer 4
-
$6,170 NZD
$3,472 USD
View
A
Retailer 5
-
$6,412 NZD
$3,608 USD
View
Final sale: no returns
A
Retailer 6
-
$6,893 NZD
A$5,966 AUD
View
A
Retailer 7
-
$6,898 NZD
$3,881 USD
View
A
Retailer 8
-
$7,228 NZD
£3,202 GBP
View
A
Retailer 9
-
$7,323 NZD
£3,244 GBP
View
A
Retailer 10
-
$7,796 NZD
A$6,748 AUD
View
A
Retailer 11
-
$8,680 NZD
€4,651 EUR
View
Retailer 12
-
$11,956 NZD
$6,727 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
81F518F49 · Nov 2
$12,218 NZD
£5,413 GBP
View
12 more retailers have this diamond
Prices start from $5,756 NZDSave up to $6,462 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
$5,756 NZD