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Marquise|Natural|GIA

0.31ct F SI2 Marquise Natural Diamond

ID • F/SI2 • GIA 7558925600

Certificate GIA 7558925600

Diamond specifications and retailer prices

From $377 SGD
$295 USD
As of November 1, 2026
Save $665 SGD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,043 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 0.31ct natural marquise diamond

This 0.31ct natural marquise sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558925600. Listed at 15 retailers as of November 1, 2026, with prices from $377 to $1,043, a $665 spread on the same certified stone. MOH London lists it at $1,043. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle35.74°
Pavilion angle40.1°
OriginNatural
Grading LabGIA
CertificateGIA 7558925600
Dimensions6.72 × 3.53 × 2.26 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Top View
6.72 mm3.53 mm0.31 ctF / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7558925600
Side View
Table 57.0%Crown 35.74°Girdle: STK-VTKPavilion 40.1°Culet: NoneDepth 64.0%

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 1
Current: $1,043 SGD|Low: $325 SGD|High: $1,790 SGD|Avg: $692 SGD|-4.5%
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
November 2, 2026
Retailer 4$377 SGD
Retailer 2$399 SGD
Retailer 13$409 SGD
Retailer 5$440 SGD
Retailer 6$442 SGD
Retailer 3$457 SGD
Retailer 12$550 SGD
Retailer 14$554 SGD
Retailer 8$585 SGD
Retailer 10$618 SGD
Retailer 9$741 SGD
Retailer 7$913 SGD
MOH London$1,043 SGD
Retailer 11$1,729 SGD

34 data points across 14 retailers

15 retailers$377 SGD to $1,043 SGD

A
Cheapest Retailer
-
$377 SGD
$295 USD
Final sale: no returns
A
Retailer 2
-
$399 SGD
$312 USD
View
A
Retailer 3
-
$409 SGD
$320 USD
View
A
Retailer 4
-
$440 SGD
$344 USD
View
B+
Retailer 5
-
$442 SGD
HK$2,700 HKD
View
Retailer 6
-
$446 SGD
$349 USD
View
Price last confirmed 68 days ago
B+
Retailer 7
-
$457 SGD
$357 USD
View
B+
Retailer 8
-
$550 SGD
$430 USD
View
B+
Retailer 9
-
$554 SGD
$433 USD
View
B
Retailer 10
-
$585 SGD
£360 GBP
View
B+
Retailer 11
-
$618 SGD
£381 GBP
View
B
Retailer 12
-
$741 SGD
€552 EUR
View
B
Retailer 13
-
$913 SGD
£562 GBP
View
Most Expensive
B
MOH London
D0A447D51 · Nov 2
$1,043 SGD
£642 GBP
View
13 more retailers have this diamond
Prices start from $377 SGDSave up to $665 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 Marquise
$377 SGD