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Marquise|Natural|GIA

2.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6565384729

Certificate GIA 6565384729

Diamond specifications and retailer prices

From £19,812 GBP
CA$36,926 CAD
As of October 30, 2026
Save £12,711 GBP (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £32,524 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565384729. Listed at 9 retailers as of October 30, 2026, with prices from £19,812 to £32,524, a £12,711 spread on the same certified stone. MOH London lists it at £32,524. 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

2.50
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6565384729
Dimensions12.87 × 6.92 × 4.54 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Natural
Top View
12.87 mm6.92 mm2.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6565384729
Side View
Table 57.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 65.6%

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: £32,524 GBP|Low: £19,812 GBP|High: £32,915 GBP|Avg: £23,837 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5£19,812 GBP
Retailer 9£19,936 GBP
Retailer 3£21,392 GBP
Retailer 4£21,692 GBP
Retailer 8£22,874 GBP
Retailer 7£24,568 GBP
Retailer 6£24,789 GBP
Retailer 2£25,261 GBP
MOH London£32,524 GBP

25 data points across 9 retailers

9 retailers£19,812 GBP to £32,524 GBP

A
Cheapest Retailer
-
£19,812 GBP
CA$36,926 CAD
A
Retailer 2
-
£19,936 GBP
$26,753 USD
View
B+
Retailer 3
-
£21,392 GBP
View
B+
Retailer 4
-
£21,692 GBP
$29,110 USD
View
B+
Retailer 5
-
£22,874 GBP
$30,696 USD
View
B+
Retailer 6
-
£24,568 GBP
$32,969 USD
View
B+
Retailer 7
-
£24,789 GBP
$33,265 USD
View
B+
Retailer 8
-
£25,261 GBP
€32,284 EUR
View
Most Expensive
B
MOH London
148FC0D93 · Nov 1
£32,524 GBP
View
8 more retailers have this diamond
Prices start from £19,812 GBPSave up to £12,711 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
2.50ct Marquise
£19,812 GBP