Marquise|Natural|GIA

1.31ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6552710159

Certificate GIA 6552710159

Diamond specifications and retailer prices

From $5,538 USD
₹527,416 INR
As of November 1, 2026
Save $4,725 USD (46%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,263 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.31ct natural marquise diamond

This 1.31ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D 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 6552710159. Listed at 7 retailers as of November 1, 2026, with prices from $5,538 to $10,263, a $4,725 spread on the same certified stone. MOH London lists it at $10,263. 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

1.31
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552710159
Dimensions11.46 × 5.70 × 3.40 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Needle
Top View
11.46 mm5.70 mm1.31 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552710159
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.7%

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 1
Current: $10,263 USD|Low: $5,525 USD|High: $10,386 USD|Avg: $7,410 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2$5,538 USD
Retailer 5$6,422 USD
Retailer 6$6,452 USD
Retailer 3$6,943 USD
Retailer 4$8,047 USD
MOH London$10,263 USD

39 data points across 6 retailers

7 retailers$5,538 USD to $10,263 USD

A
Cheapest Retailer
-
$5,538 USD
₹527,416 INR
A
Retailer 2
-
$6,422 USD
View
A
Retailer 3
-
$6,452 USD
View
A
Retailer 4
-
$6,943 USD
£5,467 GBP
View
B+
Retailer 5
-
$7,526 USD
View
B+
Retailer 6
-
$8,047 USD
€7,664 EUR
View
Most Expensive
B
MOH London
CEFBA1BCA · Nov 1
$10,263 USD
£8,081 GBP
View
6 more retailers have this diamond
Prices start from $5,538 USDSave up to $4,725 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
1.31ct Marquise
$5,538 USD