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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1533872051

Certificate GIA 1533872051

Diamond specifications and retailer prices

From $3,059 USD
As of November 2, 2026
Save $3,382 USD (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,441 USD 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 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 1533872051. Listed at 12 retailers as of November 2, 2026, with prices from $3,059 to $6,441, a $3,382 spread on the same certified stone. MOH London lists it at $6,441. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1533872051
Dimensions6.63 × 6.22 × 4.15 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.63 mm6.22 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1533872051
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 66.7%

Caratlytics Score

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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 2
Current: $6,441 USD|Low: $2,670 USD|High: $6,441 USD|Avg: $3,861 USD|+4.0%
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 1, 2026
Retailer 11$2,862 USD
Retailer 8$2,990 USD
Retailer 2$3,059 USD
Retailer 5$3,283 USD
Retailer 7$3,345 USD
Retailer 14$3,698 USD
Retailer 13$3,747 USD
Retailer 9$3,837 USD
Retailer 4$3,844 USD
Retailer 12$3,962 USD
Retailer 6$4,170 USD
Retailer 10$4,313 USD
Retailer 3$4,460 USD
MOH London$6,441 USD

34 data points across 14 retailers

12 retailers$3,059 USD to $6,441 USD

Retailer 1
-
$2,990 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$3,059 USD
View
Final sale: no returns
Retailer 3
-
$3,283 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$3,345 USD
View
A
Retailer 5
-
$3,639 USD
A$5,598 AUD
View
Retailer 6
-
$3,698 USD
View
Price last confirmed 25 days ago
Retailer 7
-
$3,747 USD
View
Price last confirmed 26 days ago
Retailer 8
-
$3,844 USD
View
Price last confirmed 24 days ago
Retailer 9
-
$3,962 USD
A$6,095 AUD
View
Price last confirmed 25 days ago
Retailer 10
-
$4,170 USD
View
Price last confirmed 24 days ago
Retailer 11
-
$4,460 USD
ZAR 72,044 ZAR
View
Price last confirmed 33 days ago
Most Expensive
B+
MOH London
28EA0EA95 · Nov 2
$6,441 USD
£5,072 GBP
View
11 more retailers have this diamond
Prices start from $3,059 USDSave up to $3,382 USD

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
$3,059 USD