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Cushion|Natural|GIA

3.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1545897248

Certificate GIA 1545897248

Diamond specifications and retailer prices

From $67,238 SGD
As of November 6, 2026
Save $44,333 SGD (40%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $111,571 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 3.51ct natural cushion diamond

This 3.51ct natural cushion sits in the three to five carat band, graded H 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 1545897248. Listed at 9 retailers as of November 4, 2026, with prices from $67,238 to $111,571, a $44,333 spread on the same certified stone. MOH London lists it at $111,571. 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

3.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.12°
OriginNatural
Grading LabGIA
CertificateGIA 1545897248
Dimensions10.24 × 8.19 × 5.71 mm
L/W Ratio1.25
Key to symbols
Cloud, Crystal, Needle
Top View
10.24 mm8.19 mm3.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545897248
Side View
Table 66.0%Crown 33.12°Girdle: MED-THKPavilionCulet: NoneDepth 69.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $111,571 SGD|Low: $67,761 SGD|High: $113,218 SGD|Avg: $85,046 SGD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$68,545 SGD
Retailer 2$69,473 SGD
Retailer 6$71,544 SGD
Retailer 3$81,971 SGD
Retailer 4$86,421 SGD
Retailer 5$92,218 SGD
MOH London$111,571 SGD

39 data points across 7 retailers

9 retailers$67,238 SGD to $111,571 SGD

B
Cheapest Retailer
-
$67,238 SGD
Retailer 2
-
$68,545 SGD
View
Price last confirmed 34 days ago
B
Retailer 3
-
$69,473 SGD
View
B
Retailer 4
-
$69,473 SGD
View
B
Retailer 5
-
$71,544 SGD
View
B
Retailer 6
-
$81,971 SGD
View
B
Retailer 7
-
$86,421 SGD
View
B
Retailer 8
-
$92,218 SGD
View
Most Expensive
B
MOH London
00FC2E6AE · Nov 4
$111,571 SGD
£68,548 GBP
View
8 more retailers have this diamond
Prices start from $67,238 SGDSave up to $44,333 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.

B
3.51ct Cushion
$67,238 SGD