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Cushion|Natural|GIA

1.50ct G SI2 Cushion Natural Diamond

ID • G/SI2 • GIA 6551584113

Certificate GIA 6551584113

Diamond specifications and retailer prices

From $4,367 USD
As of November 5, 2026
Save $5,831 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,198 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct 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 6551584113. Listed at 15 retailers as of November 4, 2026, with prices from $4,367 to $10,198, a $5,831 spread on the same certified stone. MOH London lists it at $10,198. 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

1.50
Carat
G
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551584113
Dimensions7.64 × 5.65 × 3.87 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Indented Natural
Top View
7.64 mm5.65 mm1.50 ctG / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6551584113
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.4%

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 5
Current: $10,198 USD|Low: $3,673 USD|High: $10,226 USD|Avg: $5,651 USD|+24.6%
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
November 6, 2026
Retailer 7$3,673 USD
Retailer 15$3,983 USD
Retailer 11$4,367 USD
Retailer 3$4,573 USD
Retailer 6$4,954 USD
Retailer 5$5,020 USD
Retailer 2$5,484 USD
Retailer 13$5,853 USD
Retailer 14$6,195 USD
Retailer 10$6,591 USD
Retailer 8$6,732 USD
Retailer 9$7,542 USD
Retailer 4$8,604 USD
Retailer 12$10,164 USD
MOH London$10,198 USD

31 data points across 15 retailers

15 retailers$4,367 USD to $10,198 USD

Retailer 1
-
$3,673 USD
Price last confirmed 23 days ago
Retailer 2
-
$3,983 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$4,367 USD
View
Retailer 4
-
$4,954 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$5,020 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$5,133 USD
View
B+
Retailer 7
-
$5,484 USD
View
B+
Retailer 8
-
$5,853 USD
View
B+
Retailer 9
-
$6,195 USD
View
B
Retailer 10
-
$6,591 USD
View
B+
Retailer 11
-
$6,732 USD
View
B
Retailer 12
-
$7,542 USD
View
Retailer 13
-
$8,604 USD
View
Price last confirmed 24 days ago
B
Retailer 14
-
$10,164 USD
View
Most Expensive
B
MOH London
46ACDC1C9 · Nov 4
$10,198 USD
£8,030 GBP
View
14 more retailers have this diamond
Prices start from $4,367 USDSave up to $5,831 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
1.50ct Cushion
$4,367 USD