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Cushion|Natural|GIA

0.31ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1539081595

Certificate GIA 1539081595

Diamond specifications and retailer prices

From $473 SGD
$370 USD
As of November 1, 2026
Save $578 SGD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,051 SGD at MOH London · As of November 2, 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 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 1539081595. Listed at 11 retailers as of November 1, 2026, with prices from $473 to $1,051, a $578 spread on the same certified stone. MOH London lists it at $1,051. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539081595
Dimensions3.74 × 3.66 × 2.56 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Key to symbols
Crystal, Cloud
Top View
3.74 mm3.66 mm0.31 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1539081595
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 70.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,051 SGD|Low: $467 SGD|High: $1,057 SGD|Avg: $673 SGD|+0.6%
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 5$473 SGD
Retailer 3$488 SGD
Retailer 9$490 SGD
Retailer 10$526 SGD
Retailer 4$590 SGD
Retailer 8$624 SGD
Retailer 7$706 SGD
Retailer 11$724 SGD
Retailer 6$839 SGD
Retailer 2$921 SGD
MOH London$1,051 SGD

44 data points across 11 retailers

11 retailers$473 SGD to $1,051 SGD

B+
Cheapest Retailer
-
$473 SGD
$370 USD
B+
Retailer 2
-
$490 SGD
$383 USD
View
B+
Retailer 3
-
$526 SGD
$411 USD
View
B
Retailer 4
-
$590 SGD
£363 GBP
View
Retailer 5
-
$621 SGD
$486 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$624 SGD
£384 GBP
View
B
Retailer 7
-
$706 SGD
ZAR 8,914 ZAR
View
Retailer 8
-
$724 SGD
A$871 AUD
View
Price last confirmed 28 days ago
B
Retailer 9
-
$839 SGD
€625 EUR
View
B
Retailer 10
-
$921 SGD
£567 GBP
View
Most Expensive
B
MOH London
B019B4339 · Nov 2
$1,051 SGD
£647 GBP
View
10 more retailers have this diamond
Prices start from $473 SGDSave up to $578 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+
0.31ct Cushion
$473 SGD