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Marquise|Natural|GIA

2.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2546552229

Certificate GIA 2546552229

Diamond specifications and retailer prices

From £19,677 GBP
$26,365 USD
As of November 1, 2026
Save £15,469 GBP (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £35,146 GBP at MOH London · As of November 1, 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 November 1, 2026, with prices from £19,677 to £35,146, a £15,469 spread on the same certified stone. MOH London lists it at £35,146. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £35,146 GBP|Low: £19,677 GBP|High: £35,569 GBP|Avg: £24,733 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7£19,677 GBP
Retailer 8£20,488 GBP
Retailer 11£22,503 GBP
Retailer 9£22,691 GBP
Retailer 5£22,706 GBP
Retailer 12£23,441 GBP
Retailer 10£23,629 GBP
Retailer 3£24,379 GBP
Retailer 2£25,178 GBP
Retailer 4£25,316 GBP
Retailer 6£26,407 GBP
MOH London£35,146 GBP

43 data points across 12 retailers

12 retailers£19,677 GBP to £35,146 GBP

A
Cheapest Retailer
-
£19,677 GBP
$26,365 USD
A
Retailer 2
-
£20,488 GBP
$27,452 USD
View
A
Retailer 3
-
£22,503 GBP
$30,152 USD
View
A
Retailer 4
-
£22,691 GBP
$30,404 USD
View
A
Retailer 5
-
£22,706 GBP
View
A
Retailer 6
-
£23,441 GBP
$31,409 USD
View
B+
Retailer 7
-
£23,629 GBP
$31,660 USD
View
B+
Retailer 8
-
£24,379 GBP
$32,665 USD
View
B+
Retailer 9
-
£25,178 GBP
View
B+
Retailer 10
-
£25,316 GBP
$33,921 USD
View
B+
Retailer 11
-
£26,407 GBP
€33,698 EUR
View
Most Expensive
B
MOH London
E5C401829 · Nov 1
£35,146 GBP
View
11 more retailers have this diamond
Prices start from £19,677 GBPSave up to £15,469 GBP

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
£19,677 GBP