Cushion|Natural|GIA

1.51ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 3425774327

Certificate GIA 3425774327

Diamond specifications and retailer prices

From $3,958 USD
As of November 1, 2026
Save $4,026 USD (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,984 USD 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 G 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 3425774327. Listed at 11 retailers as of November 1, 2026, with prices from $3,958 to $7,984, a $4,026 spread on the same certified stone. MOH London lists it at $7,984. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3425774327
Dimensions6.66 × 6.08 × 4.34 mm
L/W Ratio1.10
Top View
6.66 mm6.08 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3425774327
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 71.4%

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 1
Current: $7,984 USD|Low: $3,958 USD|High: $10,333 USD|Avg: $5,748 USD|-21.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10$3,958 USD
Retailer 9$3,960 USD
Retailer 8$3,991 USD
Retailer 5$4,045 USD
Retailer 7$4,304 USD
Retailer 6$4,541 USD
Retailer 2$4,985 USD
Retailer 3$5,534 USD
Retailer 4$5,673 USD
Retailer 11$7,255 USD
MOH London$7,984 USD

42 data points across 11 retailers

11 retailers$3,958 USD to $7,984 USD

A
Cheapest Retailer
-
$3,958 USD
A
Retailer 2
-
$3,960 USD
View
A
Retailer 3
-
$3,991 USD
View
Final sale: no returns
A
Retailer 4
-
$4,045 USD
View
A
Retailer 5
-
$4,304 USD
View
A
Retailer 6
-
$4,541 USD
View
A
Retailer 7
-
$4,985 USD
£3,925 GBP
View
Retailer 8
-
$5,534 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$5,673 USD
€5,403 EUR
View
B
Retailer 10
-
$7,255 USD
View
Most Expensive
B+
MOH London
7ECC25CC5 · Nov 1
$7,984 USD
£6,287 GBP
View
10 more retailers have this diamond
Prices start from $3,958 USDSave up to $4,026 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
$3,958 USD