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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 $295 USD
As of November 1, 2026
Save $520 USD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $815 USD 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 $295 to $815, a $520 spread on the same certified stone. MOH London lists it at $815. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $815 USD|Low: $254 USD|High: $1,400 USD|Avg: $541 USD|-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$295 USD
Retailer 2$312 USD
Retailer 13$320 USD
Retailer 5$344 USD
Retailer 6$346 USD
Retailer 3$357 USD
Retailer 12$430 USD
Retailer 14$433 USD
Retailer 8$457 USD
Retailer 10$484 USD
Retailer 9$580 USD
Retailer 7$714 USD
MOH London$815 USD
Retailer 11$1,352 USD

34 data points across 14 retailers

15 retailers$295 USD to $815 USD

A
Cheapest Retailer
-
$295 USD
Final sale: no returns
A
Retailer 2
-
$312 USD
View
A
Retailer 3
-
$320 USD
View
A
Retailer 4
-
$344 USD
View
B+
Retailer 5
-
$346 USD
HK$2,700 HKD
View
Retailer 6
-
$349 USD
View
Price last confirmed 67 days ago
B+
Retailer 7
-
$357 USD
View
B+
Retailer 8
-
$430 USD
View
B+
Retailer 9
-
$433 USD
View
B
Retailer 10
-
$457 USD
£360 GBP
View
B+
Retailer 11
-
$484 USD
£381 GBP
View
B
Retailer 12
-
$580 USD
€552 EUR
View
B
Retailer 13
-
$714 USD
£562 GBP
View
Most Expensive
B
MOH London
D0A447D51 · Nov 2
$815 USD
£642 GBP
View
13 more retailers have this diamond
Prices start from $295 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
$295 USD