Marquise|Natural|GIA

2.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2546552229

Certificate GIA 2546552229

Diamond specifications and retailer prices

From $26,365 USD
As of October 28, 2026
Save $20,978 USD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $47,343 USD at MOH London · As of October 29, 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 2546552229. Listed at 12 retailers as of October 28, 2026, with prices from $26,365 to $47,343, a $20,978 spread on the same certified stone. MOH London lists it at $47,343. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546552229
Dimensions13.74 × 6.88 × 4.44 mm
L/W Ratio2.00
Top View
13.74 mm6.88 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546552229
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.5%

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: Oct 28
Current: $47,343 USD|Low: $26,365 USD|High: $47,658 USD|Avg: $33,158 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7$26,365 USD
Retailer 8$27,452 USD
Retailer 11$30,152 USD
Retailer 9$30,404 USD
Retailer 6$30,677 USD
Retailer 12$31,409 USD
Retailer 10$31,660 USD
Retailer 3$32,665 USD
Retailer 5$33,837 USD
Retailer 4$33,921 USD
Retailer 2$35,383 USD
MOH London$47,343 USD

42 data points across 12 retailers

12 retailers$26,365 USD to $47,343 USD

A
Cheapest Retailer
-
$26,365 USD
A
Retailer 2
-
$27,452 USD
View
A
Retailer 3
-
$30,152 USD
View
A
Retailer 4
-
$30,404 USD
View
A
Retailer 5
-
$30,677 USD
£24,155 GBP
View
A
Retailer 6
-
$31,409 USD
View
A
Retailer 7
-
$31,660 USD
View
B+
Retailer 8
-
$32,665 USD
View
B+
Retailer 9
-
$33,837 USD
£26,644 GBP
View
B+
Retailer 10
-
$33,921 USD
View
B+
Retailer 11
-
$35,383 USD
€33,698 EUR
View
Most Expensive
B
MOH London
E5C401829 · Oct 29
$47,343 USD
£37,278 GBP
View
11 more retailers have this diamond
Prices start from $26,365 USDSave up to $20,978 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
$26,365 USD