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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 6555086321

Certificate GIA 6555086321

Diamond specifications and retailer prices

From $5,868 NZD
As of November 4, 2026
Save $5,113 NZD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,981 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 6555086321. Listed at 15 retailers as of November 4, 2026, with prices from $5,868 to $10,981, a $5,113 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,981. 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 6555086321
Dimensions6.90 × 6.15 × 4.22 mm
L/W Ratio1.12
Top View
6.90 mm6.15 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555086321
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,775 NZD|Low: $5,868 NZD|High: $11,615 NZD|Avg: $7,767 NZD|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 7, 2026
Retailer 8$5,868 NZD
Retailer 10$5,965 NZD
Retailer 7$6,011 NZD
Retailer 13$6,164 NZD
Retailer 9$6,270 NZD
Retailer 5$6,407 NZD
Retailer 1$6,775 NZD
Retailer 11$7,360 NZD
Retailer 2$7,481 NZD
Retailer 3$7,582 NZD
Retailer 6$9,160 NZD
Retailer 12$9,896 NZD
Retailer 4$10,519 NZD
Wholesale Diamonds Direct$10,981 NZD

30 data points across 14 retailers

15 retailers$5,868 NZD to $10,981 NZD

A
Cheapest Retailer
-
$5,868 NZD
A
Retailer 2
-
$5,965 NZD
View
A
Retailer 3
-
$6,011 NZD
View
A
Retailer 4
-
$6,164 NZD
View
A
Retailer 5
-
$6,270 NZD
View
A
Retailer 6
-
$6,407 NZD
View
A
Retailer 7
-
$6,775 NZD
View
A
Retailer 8
-
$7,360 NZD
View
A
Retailer 9
-
$7,481 NZD
View
A
Retailer 10
-
$7,582 NZD
View
A
Retailer 11
-
$7,645 NZD
View
A
Retailer 12
-
$9,160 NZD
View
A
Retailer 13
-
$9,896 NZD
View
B+
Retailer 14
-
$10,519 NZD
View
Most Expensive
B+
Wholesale Diamonds Direct
444917161 · Nov 6
$10,981 NZD
$6,087 USD
View
14 more retailers have this diamond
Prices start from $5,868 NZDSave up to $5,113 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
$5,868 NZD