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Marquise|Natural|GIA

0.31ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 2556734736

Certificate GIA 2556734736

Diamond specifications and retailer prices

From $268 SGD
₹19,936 INR
As of November 2, 2026
Save $577 SGD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $845 SGD 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 2556734736. Listed at 17 retailers as of November 1, 2026, with prices from $268 to $845, a $577 spread on the same certified stone. MOH London lists it at $845. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle38.6°
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556734736
Dimensions6.69 × 3.58 × 2.19 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizeNone
Top View
6.69 mm3.58 mm0.31 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556734736
Side View
Table 61.0%Crown 38.6°Girdle: STK-VTKPavilion 38.6°Culet: NoneDepth 61.3%

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: $845 SGD|Low: $268 SGD|High: $1,737 SGD|Avg: $558 SGD|-8.9%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 2$268 SGD
Retailer 7$327 SGD
Retailer 16$338 SGD
Retailer 15$366 SGD
Retailer 3$372 SGD
Retailer 14$394 SGD
Retailer 8$402 SGD
Retailer 13$408 SGD
Retailer 9$466 SGD
Retailer 6$496 SGD
Retailer 12$501 SGD
Retailer 4$536 SGD
Retailer 10$570 SGD
Retailer 11$634 SGD
MOH London$845 SGD
Retailer 5$1,670 SGD

25 data points across 16 retailers

17 retailers$268 SGD to $845 SGD

A
Cheapest Retailer
-
$268 SGD
₹19,936 INR
A
Retailer 2
-
$327 SGD
HK$2,000 HKD
View
A
Retailer 3
-
$338 SGD
$264 USD
View
Final sale: no returns
A
Retailer 4
-
$366 SGD
$286 USD
View
A
Retailer 5
-
$372 SGD
$291 USD
View
A
Retailer 6
-
$394 SGD
$308 USD
View
A
Retailer 7
-
$402 SGD
View
A
Retailer 8
-
$408 SGD
$319 USD
View
B+
Retailer 9
-
$466 SGD
£287 GBP
View
B+
Retailer 10
-
$496 SGD
$388 USD
View
B+
Retailer 11
-
$501 SGD
£308 GBP
View
B+
Retailer 12
-
$536 SGD
$419 USD
View
Retailer 13
-
$556 SGD
$435 USD
View
Price last confirmed 56 days ago
B
Retailer 14
-
$570 SGD
$446 USD
View
B
Retailer 15
-
$634 SGD
€472 EUR
View
Most Expensive
B
MOH London
25AA25423 · Nov 1
$845 SGD
£520 GBP
View
15 more retailers have this diamond
Prices start from $268 SGDSave up to $577 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
$268 SGD