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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 $41,032 SGD
$32,096 USD
As of October 30, 2026
Save $29,449 SGD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $70,481 SGD 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 $41,032 to $70,481, a $29,449 spread on the same certified stone. MOH London lists it at $70,481. 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
Colour
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: $70,481 SGD|Low: $36,355 SGD|High: $71,234 SGD|Avg: $48,020 SGD|-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$41,313 SGD
Retailer 2$42,579 SGD
Retailer 5$43,626 SGD
Retailer 8$44,717 SGD
Retailer 9$45,069 SGD
Retailer 3$45,404 SGD
Retailer 7$47,321 SGD
Retailer 4$52,934 SGD
MOH London$70,481 SGD

40 data points across 9 retailers

22 retailers$41,032 SGD to $70,481 SGD

A
Cheapest Retailer
-
$41,032 SGD
$32,096 USD
A
Retailer 2
-
$41,313 SGD
$32,316 USD
View
Final sale: no returns
A
Retailer 3
-
$41,882 SGD
$32,761 USD
View
Retailer 4
-
$42,052 SGD
$32,894 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$42,579 SGD
₹3,172,015 INR
View
B+
Retailer 6
-
$43,626 SGD
$34,126 USD
View
B+
Retailer 7
-
$44,717 SGD
$34,979 USD
View
B+
Retailer 8
-
$45,069 SGD
$35,254 USD
View
B+
Retailer 9
-
$45,404 SGD
£27,965 GBP
View
B+
Retailer 10
-
$45,726 SGD
$35,768 USD
View
B+
Retailer 11
-
$46,598 SGD
$36,450 USD
View
B+
Retailer 12
-
$46,598 SGD
$36,450 USD
View
B+
Retailer 13
-
$46,945 SGD
$36,722 USD
View
B+
Retailer 14
-
$47,321 SGD
$37,016 USD
View
B+
Retailer 15
-
$48,157 SGD
$37,670 USD
View
B+
Retailer 16
-
$48,192 SGD
$37,697 USD
View
B+
Retailer 17
-
$48,823 SGD
$38,191 USD
View
B+
Retailer 18
-
$50,701 SGD
$39,660 USD
View
Retailer 19
-
$50,701 SGD
$39,660 USD
View
Price last confirmed 55 days ago
B
Retailer 20
-
$52,934 SGD
€39,435 EUR
View
B
Retailer 21
-
$53,188 SGD
$41,605 USD
View
Most Expensive
B
MOH London
9CA0FEE87 · Oct 26
$70,481 SGD
£43,411 GBP
View
21 more retailers have this diamond
Prices start from $41,032 SGDSave up to $29,449 SGD

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
$41,032 SGD