CaratHunter
Plans
Marquise|Natural|GIA

0.31ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 2556734736

Certificate GIA 2556734736

Diamond specifications and retailer prices

From $209 USD
₹19,936 INR
As of November 2, 2026
Save $451 USD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $660 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 2556734736. Listed at 17 retailers as of November 1, 2026, with prices from $209 to $660, a $451 spread on the same certified stone. MOH London lists it at $660. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $660 USD|Low: $209 USD|High: $1,358 USD|Avg: $436 USD|-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$209 USD
Retailer 7$256 USD
Retailer 16$264 USD
Retailer 15$286 USD
Retailer 3$291 USD
Retailer 14$308 USD
Retailer 8$315 USD
Retailer 13$319 USD
Retailer 9$364 USD
Retailer 6$388 USD
Retailer 12$392 USD
Retailer 4$419 USD
Retailer 10$446 USD
Retailer 11$496 USD
MOH London$660 USD
Retailer 5$1,306 USD

25 data points across 16 retailers

17 retailers$209 USD to $660 USD

A
Cheapest Retailer
-
$209 USD
₹19,936 INR
A
Retailer 2
-
$256 USD
HK$2,000 HKD
View
A
Retailer 3
-
$264 USD
View
Final sale: no returns
A
Retailer 4
-
$286 USD
View
A
Retailer 5
-
$291 USD
View
A
Retailer 6
-
$308 USD
View
A
Retailer 7
-
$315 USD
SGD 425 SGD
View
A
Retailer 8
-
$319 USD
View
B+
Retailer 9
-
$364 USD
£287 GBP
View
B+
Retailer 10
-
$388 USD
View
B+
Retailer 11
-
$392 USD
£308 GBP
View
B+
Retailer 12
-
$419 USD
View
Retailer 13
-
$435 USD
View
Price last confirmed 56 days ago
B
Retailer 14
-
$446 USD
View
B
Retailer 15
-
$496 USD
€472 EUR
View
Most Expensive
B
MOH London
25AA25423 · Nov 1
$660 USD
£520 GBP
View
15 more retailers have this diamond
Prices start from $209 USDSave up to $451 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
$209 USD