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Marquise|Natural|GIA

2.50ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 5553500576

Certificate GIA 5553500576

Diamond specifications and retailer prices

From £19,020 GBP
$25,485 USD
As of November 1, 2026
Save £13,607 GBP (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £32,627 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553500576. Listed at 22 retailers as of November 1, 2026, with prices from £19,020 to £32,627, a £13,607 spread on the same certified stone. MOH London lists it at £32,627. 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
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.98°
Pavilion angle39.15°
OriginNatural
Grading LabGIA
CertificateGIA 5553500576
Dimensions13.78 × 7.17 × 4.28 mm
L/W Ratio1.92
Girdle conditionVery Thick
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Indented Natural
Top View
13.78 mm7.17 mm2.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553500576
Side View
Table 64.0%Crown 36.98°Girdle: STK-VTKPavilion 39.15°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £32,627 GBP|Low: £19,020 GBP|High: £33,021 GBP|Avg: £22,681 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8£19,020 GBP
Retailer 5£19,795 GBP
Retailer 7£20,020 GBP
Retailer 6£20,196 GBP
Retailer 9£21,038 GBP
Retailer 2£21,249 GBP
Retailer 3£24,037 GBP
Retailer 4£24,505 GBP
MOH London£32,627 GBP

29 data points across 9 retailers

22 retailers£19,020 GBP to £32,627 GBP

B+
Cheapest Retailer
-
£19,020 GBP
$25,485 USD
B+
Retailer 2
-
£19,388 GBP
$25,978 USD
View
Retailer 3
-
£19,467 GBP
$26,084 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
£19,541 GBP
$26,183 USD
View
B+
Retailer 5
-
£19,795 GBP
₹2,525,974 INR
View
B+
Retailer 6
-
£19,830 GBP
A$40,878 AUD
View
B+
Retailer 7
-
£20,020 GBP
$26,825 USD
View
Final sale: no returns
B+
Retailer 8
-
£20,196 GBP
$27,060 USD
View
B+
Retailer 9
-
£20,891 GBP
$27,992 USD
View
B+
Retailer 10
-
£21,038 GBP
$28,188 USD
View
B
Retailer 11
-
£21,168 GBP
$28,362 USD
View
B+
Retailer 12
-
£21,249 GBP
View
Retailer 13
-
£21,761 GBP
$29,158 USD
View
Price last confirmed 37 days ago
B
Retailer 14
-
£22,333 GBP
$29,924 USD
View
Retailer 15
-
£22,632 GBP
$30,325 USD
View
Price last confirmed 40 days ago
B
Retailer 16
-
£22,877 GBP
A$47,158 AUD
View
Retailer 17
-
£23,503 GBP
$31,491 USD
View
Price last confirmed 56 days ago
Retailer 18
-
£23,503 GBP
$31,491 USD
View
Price last confirmed 39 days ago
B+
Retailer 19
-
£24,037 GBP
View
B
Retailer 20
-
£24,505 GBP
€31,270 EUR
View
B
Retailer 21
-
£24,622 GBP
$32,991 USD
View
Most Expensive
B
MOH London
8F0C222AA · Nov 1
£32,627 GBP
View
21 more retailers have this diamond
Prices start from £19,020 GBPSave up to £13,607 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.

B+
2.50ct Marquise
£19,020 GBP