CaratHunter
Plans
Cushion|Natural|GIA

1.51ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 2233870089

Certificate GIA 2233870089

Diamond specifications and retailer prices

From $4,628 SGD
As of November 5, 2026
Save $4,671 SGD (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,299 SGD at MOH London · As of November 4, 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 I 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 2233870089. Listed at 12 retailers as of November 4, 2026, with prices from $4,628 to $9,299, a $4,671 spread on the same certified stone. MOH London lists it at $9,299. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle35.51°
OriginNatural
Grading LabGIA
CertificateGIA 2233870089
Dimensions7.60 × 5.86 × 4.06 mm
L/W Ratio1.30
Key to symbols
Crystal, Cloud, Needle
Top View
7.60 mm5.86 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2233870089
Side View
Table 65.0%CrownGirdle: MED-ETKPavilion 35.51°Culet: NoneDepth 69.3%

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: $9,299 SGD|Low: $4,628 SGD|High: $11,035 SGD|Avg: $6,787 SGD|-14.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$4,628 SGD
Retailer 11$4,947 SGD
Retailer 10$4,965 SGD
Retailer 2$5,679 SGD
Retailer 8$5,959 SGD
Retailer 6$6,331 SGD
Retailer 7$6,331 SGD
Retailer 5$6,549 SGD
Retailer 4$6,612 SGD
Retailer 3$6,978 SGD
MOH London$9,299 SGD

44 data points across 11 retailers

12 retailers$4,628 SGD to $9,299 SGD

A
Cheapest Retailer
-
$4,628 SGD
A
Retailer 2
-
$4,947 SGD
View
Final sale: no returns
A
Retailer 3
-
$4,965 SGD
View
A
Retailer 4
-
$5,139 SGD
View
A
Retailer 5
-
$5,679 SGD
View
B+
Retailer 6
-
$5,959 SGD
View
B+
Retailer 7
-
$6,331 SGD
View
B+
Retailer 8
-
$6,331 SGD
View
B+
Retailer 9
-
$6,549 SGD
View
B+
Retailer 10
-
$6,612 SGD
View
B+
Retailer 11
-
$6,978 SGD
View
Most Expensive
B
MOH London
8B5F20B67 · Nov 4
$9,299 SGD
£5,713 GBP
View
11 more retailers have this diamond
Prices start from $4,628 SGDSave up to $4,671 SGD

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
$4,628 SGD