Marquise|Natural|GIA

2.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6561016104

Certificate GIA 6561016104

Diamond specifications and retailer prices

From £21,069 GBP
₹2,688,577 INR
As of October 30, 2026
Save £8,336 GBP (28%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £29,405 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 6561016104. Listed at 14 retailers as of October 30, 2026, with prices from £21,069 to £29,405, a £8,336 spread on the same certified stone. Reve Diamonds lists it at £29,405. 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 6561016104
Dimensions14.69 × 7.00 × 4.05 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Etch Channel, Cavity
Top View
14.69 mm7.00 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561016104
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 57.8%

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: £28,054 GBP|Low: £21,069 GBP|High: £29,405 GBP|Avg: £25,505 GBP|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 2, 2026
Retailer 8£21,069 GBP
Retailer 4£23,341 GBP
Retailer 9£24,047 GBP
Retailer 11£24,099 GBP
Retailer 6£24,212 GBP
Retailer 5£24,260 GBP
Retailer 7£24,926 GBP
Retailer 12£26,413 GBP
Retailer 10£26,853 GBP
Retailer 2£27,734 GBP
Retailer 1£28,054 GBP
Retailer 3£28,614 GBP
Reve Diamonds£29,405 GBP

4 data points across 13 retailers

14 retailers£21,069 GBP to £29,405 GBP

A
Cheapest Retailer
-
£21,069 GBP
₹2,688,577 INR
A
Retailer 2
-
£22,731 GBP
A$46,856 AUD
View
A
Retailer 3
-
£23,341 GBP
$31,274 USD
View
Final sale: no returns
B+
Retailer 4
-
£24,047 GBP
$32,221 USD
View
A
Retailer 5
-
£24,099 GBP
View
B+
Retailer 6
-
£24,212 GBP
$32,441 USD
View
B+
Retailer 7
-
£24,260 GBP
$32,506 USD
View
B+
Retailer 8
-
£24,926 GBP
$33,398 USD
View
B+
Retailer 9
-
£26,413 GBP
$35,391 USD
View
B+
Retailer 10
-
£26,853 GBP
View
B+
Retailer 11
-
£27,734 GBP
$37,160 USD
View
B+
Retailer 12
-
£28,054 GBP
€35,799 EUR
View
B+
Retailer 13
-
£28,614 GBP
$38,340 USD
View
Most Expensive
B
Reve Diamonds
3C5AB3ECB · Oct 30
£29,405 GBP
$39,399 USD
View
13 more retailers have this diamond
Prices start from £21,069 GBPSave up to £8,336 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
£21,069 GBP