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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2557303410

Certificate GIA 2557303410

Diamond specifications and retailer prices

From $3,776 NZD
HK$16,600 HKD
As of November 2, 2026
Save $4,683 NZD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,460 NZD at MOH London · As of November 1, 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 J 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 2557303410. Listed at 15 retailers as of November 1, 2026, with prices from $3,776 to $8,460, a $4,683 spread on the same certified stone. MOH London lists it at $8,460. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557303410
Dimensions7.53 × 6.01 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.53 mm6.01 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557303410
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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: $8,460 NZD|Low: $3,708 NZD|High: $8,902 NZD|Avg: $5,309 NZD|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 2$3,776 NZD
Retailer 12$4,111 NZD
Retailer 10$4,113 NZD
Retailer 4$4,179 NZD
Retailer 14$4,356 NZD
Retailer 6$4,589 NZD
Retailer 13$4,639 NZD
Retailer 9$4,673 NZD
Retailer 7$4,862 NZD
Retailer 3$5,108 NZD
Retailer 11$5,257 NZD
Retailer 8$5,755 NZD
Retailer 5$8,118 NZD
MOH London$8,460 NZD

24 data points across 14 retailers

15 retailers$3,776 NZD to $8,460 NZD

A
Cheapest Retailer
-
$3,776 NZD
HK$16,600 HKD
A
Retailer 2
-
$4,111 NZD
$2,313 USD
View
A
Retailer 3
-
$4,113 NZD
$2,314 USD
View
Final sale: no returns
A
Retailer 4
-
$4,179 NZD
$2,351 USD
View
A
Retailer 5
-
$4,356 NZD
$2,451 USD
View
A
Retailer 6
-
$4,589 NZD
$2,582 USD
View
A
Retailer 7
-
$4,639 NZD
$2,610 USD
View
A
Retailer 8
-
$4,673 NZD
$2,630 USD
View
A
Retailer 9
-
$4,862 NZD
£2,154 GBP
View
A
Retailer 10
-
$5,108 NZD
$2,874 USD
View
A
Retailer 11
-
$5,257 NZD
£2,329 GBP
View
B+
Retailer 12
-
$5,705 NZD
A$4,938 AUD
View
A
Retailer 13
-
$5,755 NZD
€3,084 EUR
View
Retailer 14
-
$8,118 NZD
$4,568 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
847DD2A5B · Nov 1
$8,460 NZD
£3,748 GBP
View
14 more retailers have this diamond
Prices start from $3,776 NZDSave up to $4,683 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
$3,776 NZD