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Marquise|Natural|GIA

0.31ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 6562503169

Certificate GIA 6562503169

Diamond specifications and retailer prices

From $164 USD
₹15,574 INR
As of November 1, 2026
Save $357 USD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $521 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562503169. Listed at 10 retailers as of November 1, 2026, with prices from $164 to $521, a $357 spread on the same certified stone. MOH London lists it at $521. 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
I
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562503169
Dimensions7.59 × 3.39 × 2.02 mm
L/W Ratio2.24
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
7.59 mm3.39 mm0.31 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562503169
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.7%

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: $521 USD|Low: $164 USD|High: $555 USD|Avg: $329 USD|-6.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$164 USD
Retailer 9$208 USD
Retailer 8$260 USD
Retailer 5$260 USD
Retailer 4$343 USD
Retailer 6$349 USD
Retailer 7$356 USD
Retailer 3$456 USD
MOH London$521 USD

26 data points across 9 retailers

10 retailers$164 USD to $521 USD

A
Cheapest Retailer
-
$164 USD
₹15,574 INR
A
Retailer 2
-
$208 USD
View
Final sale: no returns
A
Retailer 3
-
$260 USD
View
A
Retailer 4
-
$260 USD
View
B+
Retailer 5
-
$343 USD
£270 GBP
View
B+
Retailer 6
-
$349 USD
ZAR 5,646 ZAR
View
B+
Retailer 7
-
$356 USD
View
Retailer 8
-
$416 USD
A$640 AUD
View
Price last confirmed 28 days ago
B
Retailer 9
-
$456 USD
£359 GBP
View
Most Expensive
B
MOH London
611022B97 · Nov 1
$521 USD
£410 GBP
View
9 more retailers have this diamond
Prices start from $164 USDSave up to $357 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
$164 USD