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Cushion|Natural|GIA

0.31ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1415650669

Certificate GIA 1415650669

Diamond specifications and retailer prices

From $639 SGD
$500 USD
As of November 2, 2026
Save $764 SGD (54%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,403 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.31ct natural cushion diamond

This 0.31ct natural cushion sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1415650669. Listed at 7 retailers as of November 1, 2026, with prices from $639 to $1,403, a $764 spread on the same certified stone. MOH London lists it at $1,403. 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

0.31
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1415650669
Dimensions3.90 × 3.74 × 2.52 mm
L/W Ratio1.04
Culet sizeNone
Top View
3.90 mm3.74 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1415650669
Side View
Table 64.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 67.4%

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 2
Current: $1,403 SGD|Low: $623 SGD|High: $1,420 SGD|Avg: $882 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$639 SGD
Retailer 2$666 SGD
Retailer 7$669 SGD
Retailer 8$688 SGD
Retailer 3$935 SGD
Retailer 4$964 SGD
Retailer 6$995 SGD
MOH London$1,403 SGD

43 data points across 8 retailers

7 retailers$639 SGD to $1,403 SGD

A
Cheapest Retailer
-
$639 SGD
$500 USD
B+
Retailer 2
-
$666 SGD
£410 GBP
View
B+
Retailer 3
-
$669 SGD
$523 USD
View
B+
Retailer 4
-
$935 SGD
€696 EUR
View
B+
Retailer 5
-
$964 SGD
ZAR 12,174 ZAR
View
Retailer 6
-
$995 SGD
A$1,198 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
51E4744FC · Nov 1
$1,403 SGD
£864 GBP
View
6 more retailers have this diamond
Prices start from $639 SGDSave up to $764 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
0.31ct Cushion
$639 SGD