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Marquise|Natural|GIA

2.50ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5563210622

Certificate GIA 5563210622

Diamond specifications and retailer prices

From £13,680 GBP
SGD 24,769 SGD
As of October 31, 2026
Save £17,345 GBP (56%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: £31,025 GBP at MOH London · As of October 29, 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 5563210622. Listed at 33 retailers as of October 29, 2026, with prices from £13,680 to £31,025, a £17,345 spread on the same certified stone. MOH London lists it at £31,025. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563210622
Dimensions12.89 × 6.95 × 4.49 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Indented Natural, Needle, Natural
Top View
12.89 mm6.95 mm2.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563210622
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.6%

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 31
Current: £31,025 GBP|Low: £13,651 GBP|High: £31,025 GBP|Avg: £19,114 GBP|+31.7%
MOH London
Retailer 2
Retailer 3
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Retailer 11
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Retailer 24
Retailer 25
Retailer 26
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Retailer 29
Retailer 30
October 31, 2026
Retailer 21£13,680 GBP
Retailer 22£14,908 GBP
Retailer 13£16,010 GBP
Retailer 7£17,317 GBP
Retailer 3£18,330 GBP
Retailer 14£18,476 GBP
Retailer 2£18,674 GBP
Retailer 12£18,935 GBP
Retailer 11£18,961 GBP
Retailer 28£19,094 GBP
Retailer 5£19,759 GBP
Retailer 27£19,890 GBP
Retailer 9£20,034 GBP
Retailer 26£20,092 GBP
Retailer 19£20,098 GBP
Retailer 4£20,582 GBP
Retailer 16£20,733 GBP
Retailer 18£20,733 GBP
Retailer 10£20,747 GBP
Retailer 23£20,819 GBP
Retailer 30£21,122 GBP
Retailer 15£21,405 GBP
Retailer 29£21,427 GBP
Retailer 17£21,891 GBP
Retailer 8£22,229 GBP
Retailer 25£22,803 GBP
Retailer 24£23,065 GBP
Retailer 6£23,279 GBP
Retailer 20£23,513 GBP
MOH London£31,025 GBP

24 data points across 30 retailers

33 retailers£13,680 GBP to £31,025 GBP

Retailer 1
-
£12,753 GBP
HK$133,500 HKD
Price last confirmed 27 days ago
A
Retailer 2
-
£13,680 GBP
SGD 24,769 SGD
View
Retailer 3
-
£14,908 GBP
$19,975 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
£16,010 GBP
$21,451 USD
View
B+
Retailer 5
-
£16,878 GBP
$22,615 USD
View
B+
Retailer 6
-
£17,317 GBP
$23,203 USD
View
B+
Retailer 7
-
£18,330 GBP
$24,561 USD
View
B+
Retailer 8
-
£18,476 GBP
$24,756 USD
View
B+
Retailer 9
-
£18,674 GBP
₹2,382,905 INR
View
B+
Retailer 10
-
£18,749 GBP
A$38,648 AUD
View
B+
Retailer 11
-
£18,935 GBP
$25,371 USD
View
Final sale: no returns
B+
Retailer 12
-
£18,961 GBP
CA$35,286 CAD
View
B+
Retailer 13
-
£19,094 GBP
$25,584 USD
View
B
Retailer 14
-
£19,759 GBP
$26,475 USD
View
B+
Retailer 15
-
£19,890 GBP
$26,650 USD
View
B+
Retailer 16
-
£20,034 GBP
$26,843 USD
View
B
Retailer 17
-
£20,092 GBP
View
B
Retailer 18
-
£20,098 GBP
$26,929 USD
View
B
Retailer 19
-
£20,582 GBP
$27,578 USD
View
B
Retailer 20
-
£20,733 GBP
$27,780 USD
View
B
Retailer 21
-
£20,733 GBP
$27,780 USD
View
B
Retailer 22
-
£20,747 GBP
$27,799 USD
View
Retailer 23
-
£20,819 GBP
View
Price last confirmed 28 days ago
B
Retailer 24
-
£21,122 GBP
$28,301 USD
View
B
Retailer 25
-
£21,405 GBP
$28,681 USD
View
B
Retailer 26
-
£21,427 GBP
$28,710 USD
View
B
Retailer 27
-
£21,891 GBP
$29,332 USD
View
B
Retailer 28
-
£22,229 GBP
$29,785 USD
View
B
Retailer 29
-
£22,803 GBP
View
B
Retailer 30
-
£23,065 GBP
€29,433 EUR
View
B
Retailer 31
-
£23,279 GBP
$31,191 USD
View
B
Retailer 32
-
£23,513 GBP
$31,505 USD
View
Most Expensive
C
MOH London
A6517945E · Oct 29
£31,025 GBP
View
32 more retailers have this diamond
Prices start from £13,680 GBPSave up to £17,345 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
£13,680 GBP