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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 $299 AUD
₹19,936 INR
As of November 2, 2026
Save $644 AUD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $942 AUD 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 $299 to $942, a $644 spread on the same certified stone. MOH London lists it at $942. 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: $942 AUD|Low: $299 AUD|High: $1,938 AUD|Avg: $622 AUD|-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$299 AUD
Retailer 7$365 AUD
Retailer 16$377 AUD
Retailer 15$408 AUD
Retailer 3$415 AUD
Retailer 14$439 AUD
Retailer 8$449 AUD
Retailer 13$455 AUD
Retailer 9$519 AUD
Retailer 6$554 AUD
Retailer 12$559 AUD
Retailer 4$598 AUD
Retailer 10$636 AUD
Retailer 11$707 AUD
MOH London$942 AUD
Retailer 5$1,864 AUD

25 data points across 16 retailers

17 retailers$299 AUD to $942 AUD

A
Cheapest Retailer
-
$299 AUD
₹19,936 INR
A
Retailer 2
-
$365 AUD
HK$2,000 HKD
View
A
Retailer 3
-
$377 AUD
$264 USD
View
Final sale: no returns
A
Retailer 4
-
$408 AUD
$286 USD
View
A
Retailer 5
-
$415 AUD
$291 USD
View
A
Retailer 6
-
$439 AUD
$308 USD
View
A
Retailer 7
-
$449 AUD
SGD 425 SGD
View
A
Retailer 8
-
$455 AUD
$319 USD
View
B+
Retailer 9
-
$519 AUD
£287 GBP
View
B+
Retailer 10
-
$554 AUD
$388 USD
View
B+
Retailer 11
-
$559 AUD
£308 GBP
View
B+
Retailer 12
-
$598 AUD
$419 USD
View
Retailer 13
-
$621 AUD
$435 USD
View
Price last confirmed 56 days ago
B
Retailer 14
-
$636 AUD
$446 USD
View
B
Retailer 15
-
$707 AUD
€472 EUR
View
Most Expensive
B
MOH London
25AA25423 · Nov 1
$942 AUD
£520 GBP
View
15 more retailers have this diamond
Prices start from $299 AUDSave up to $644 AUD

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
$299 AUD