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Marquise|Natural|GIA

2.50ct L SI2 Marquise Natural Diamond

EX • L/SI2

Diamond specifications and retailer prices

From £9,552 GBP
As of November 2, 2026
Save £4,018 GBP (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £13,570 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 7 retailers as of November 2, 2026, with prices from £9,552 to £13,570, a £4,018 spread on the same certified stone. Yorxs lists it at £13,570. 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
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
Dimensions13.68 × 6.94 × 3.99 mm
L/W Ratio1.97
Top View
13.68 mm6.94 mm2.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA
Side View
Table 58.0%CrownGirdle: ThickPavilionCulet: NoneDepth 57.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £10,169 GBP|Low: £9,552 GBP|High: £13,570 GBP|Avg: £11,314 GBP|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 6, 2026
Retailer 3£9,552 GBP
Retailer 1£10,169 GBP
Retailer 5£11,042 GBP
Retailer 2£11,415 GBP
Retailer 4£13,498 GBP
Yorxs£13,570 GBP

41 data points across 6 retailers

7 retailers£9,552 GBP to £13,570 GBP

B
Cheapest Retailer
-
£9,552 GBP
B
Retailer 2
-
£10,169 GBP
View
B
Retailer 3
-
£11,042 GBP
View
B
Retailer 4
-
£11,415 GBP
View
C
Retailer 5
-
£12,001 GBP
View
Retailer 6
-
£13,498 GBP
View
Price last confirmed 7 days ago
Most Expensive
C
Yorxs
623772874 · Nov 6
£13,570 GBP
€17,394 EUR
View
6 more retailers have this diamond
Prices start from £9,552 GBPSave up to £4,018 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
£9,552 GBP