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Marquise|Natural|GIA

0.31ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1557344894

Certificate GIA 1557344894

Diamond specifications and retailer prices

From $221 USD
₹21,075 INR
As of November 2, 2026
Save $520 USD (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $742 USD at MOH London · As of November 1, 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 1557344894. Listed at 4 retailers as of November 1, 2026, with prices from $221 to $742, a $520 spread on the same certified stone. MOH London lists it at $742. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1557344894
Dimensions6.76 × 3.51 × 2.23 mm
L/W Ratio1.93
Top View
6.76 mm3.51 mm0.31 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1557344894
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.5%

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: $742 USD|Low: $221 USD|High: $813 USD|Avg: $466 USD|-7.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2$221 USD
Retailer 3$413 USD
Retailer 4$440 USD
MOH London$742 USD

46 data points across 4 retailers

4 retailers$221 USD to $742 USD

A
Cheapest Retailer
-
$221 USD
₹21,075 INR
B+
Retailer 2
-
$413 USD
£325 GBP
View
B
Retailer 3
-
$440 USD
£347 GBP
View
Most Expensive
B
MOH London
BA234A3DF · Nov 1
$742 USD
£584 GBP
View
3 more retailers have this diamond
Prices start from $221 USDSave up to $520 USD

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
$221 USD