Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2556337276

Certificate GIA 2556337276

Diamond specifications and retailer prices

From $7,269 NZD
$4,090 USD
As of November 2, 2026
Save $8,308 NZD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,577 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556337276. Listed at 21 retailers as of October 29, 2026, with prices from $7,269 to $15,577, a $8,308 spread on the same certified stone. MOH London lists it at $15,577. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556337276
Dimensions6.70 × 6.64 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.70 mm6.64 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556337276
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.7%

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: $15,577 NZD|Low: $7,166 NZD|High: $15,791 NZD|Avg: $9,765 NZD|-1.4%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 2$7,269 NZD
Retailer 14$7,280 NZD
Retailer 3$7,683 NZD
Retailer 10$8,065 NZD
Retailer 7$8,138 NZD
Retailer 4$8,184 NZD
Retailer 19$8,192 NZD
Retailer 11$8,291 NZD
Retailer 6$8,599 NZD
Retailer 18$8,672 NZD
Retailer 20$9,137 NZD
Retailer 15$9,230 NZD
Retailer 8$9,365 NZD
Retailer 13$9,393 NZD
Retailer 12$9,812 NZD
Retailer 17$11,081 NZD
Retailer 5$11,958 NZD
Retailer 16$11,961 NZD
Retailer 9$15,131 NZD
MOH London$15,577 NZD

22 data points across 20 retailers

21 retailers$7,269 NZD to $15,577 NZD

A
Cheapest Retailer
-
$7,269 NZD
$4,090 USD
A
Retailer 2
-
$7,280 NZD
HK$32,000 HKD
View
A
Retailer 3
-
$7,683 NZD
$4,323 USD
View
A
Retailer 4
-
$8,065 NZD
$4,538 USD
View
A
Retailer 5
-
$8,138 NZD
$4,579 USD
View
A
Retailer 6
-
$8,184 NZD
€4,386 EUR
View
A
Retailer 7
-
$8,192 NZD
$4,609 USD
View
Final sale: no returns
A
Retailer 8
-
$8,291 NZD
$4,665 USD
View
A
Retailer 9
-
$8,599 NZD
$4,838 USD
View
A
Retailer 10
-
$8,672 NZD
$4,879 USD
View
A
Retailer 11
-
$9,137 NZD
£4,048 GBP
View
A
Retailer 12
-
$9,230 NZD
£4,089 GBP
View
A
Retailer 13
-
$9,365 NZD
$5,269 USD
View
A
Retailer 14
-
$9,393 NZD
$5,285 USD
View
B+
Retailer 15
-
$9,702 NZD
A$8,398 AUD
View
Retailer 16
-
$9,812 NZD
A$8,493 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$11,081 NZD
€5,938 EUR
View
B+
Retailer 18
-
$11,958 NZD
ZAR 108,691 ZAR
View
B+
Retailer 19
-
$11,961 NZD
$6,730 USD
View
Retailer 20
-
$15,131 NZD
$8,513 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
AD4A47712 · Oct 29
$15,577 NZD
£6,901 GBP
View
20 more retailers have this diamond
Prices start from $7,269 NZDSave up to $8,308 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
$7,269 NZD