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Marquise|Natural|GIA

2.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6541372567

Certificate GIA 6541372567

Diamond specifications and retailer prices

From $32,096 USD
As of October 30, 2026
Save $23,036 USD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $55,132 USD at MOH London · As of October 26, 2026
View at MOH London

About this 2.51ct natural marquise diamond

This 2.51ct natural marquise sits in the two to three 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 6541372567. Listed at 22 retailers as of October 26, 2026, with prices from $32,096 to $55,132, a $23,036 spread on the same certified stone. MOH London lists it at $55,132. 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

2.51
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle39.95°
Pavilion angle38.09°
OriginNatural
Grading LabGIA
CertificateGIA 6541372567
Dimensions12.90 × 7.02 × 4.46 mm
L/W Ratio1.84
Top View
12.90 mm7.02 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6541372567
Side View
Table 57.0%Crown 39.95°Girdle: Very ThickPavilion 38.09°Culet: NoneDepth 63.6%

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: Oct 30
Current: $55,132 USD|Low: $28,438 USD|High: $55,721 USD|Avg: $37,550 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$32,316 USD
Retailer 4$33,422 USD
Retailer 5$34,126 USD
Retailer 8$34,979 USD
Retailer 9$35,254 USD
Retailer 2$35,516 USD
Retailer 7$37,016 USD
Retailer 3$41,407 USD
MOH London$55,132 USD

40 data points across 9 retailers

22 retailers$32,096 USD to $55,132 USD

A
Cheapest Retailer
-
$32,096 USD
A
Retailer 2
-
$32,316 USD
View
Final sale: no returns
A
Retailer 3
-
$32,761 USD
View
Retailer 4
-
$32,894 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$33,422 USD
₹3,183,059 INR
View
B+
Retailer 6
-
$34,126 USD
View
B+
Retailer 7
-
$34,979 USD
View
B+
Retailer 8
-
$35,254 USD
View
B+
Retailer 9
-
$35,516 USD
£27,965 GBP
View
B+
Retailer 10
-
$35,768 USD
View
B+
Retailer 11
-
$36,450 USD
View
B+
Retailer 12
-
$36,450 USD
View
B+
Retailer 13
-
$36,722 USD
View
B+
Retailer 14
-
$37,016 USD
View
B+
Retailer 15
-
$37,670 USD
View
B+
Retailer 16
-
$37,697 USD
View
B+
Retailer 17
-
$38,191 USD
View
B+
Retailer 18
-
$39,660 USD
View
Retailer 19
-
$39,660 USD
View
Price last confirmed 54 days ago
B
Retailer 20
-
$41,407 USD
€39,435 EUR
View
B
Retailer 21
-
$41,605 USD
View
Most Expensive
B
MOH London
9CA0FEE87 · Oct 26
$55,132 USD
£43,411 GBP
View
21 more retailers have this diamond
Prices start from $32,096 USDSave up to $23,036 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
2.51ct Marquise
$32,096 USD