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Marquise|Natural|GIA

1.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2245011740

Certificate GIA 2245011740

Diamond specifications and retailer prices

From £5,030 GBP
As of November 6, 2026
Save £4,570 GBP (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £9,599 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded I 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 2245011740. Listed at 14 retailers as of November 4, 2026, with prices from £5,030 to £9,599, a £4,570 spread on the same certified stone. MOH London lists it at £9,599. 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

1.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245011740
Dimensions11.83 × 6.09 × 3.64 mm
L/W Ratio1.94
Culet sizeNone
Top View
11.83 mm6.09 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2245011740
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.9%

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 6
Current: £9,599 GBP|Low: £5,030 GBP|High: £9,741 GBP|Avg: £7,036 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4£5,030 GBP
Retailer 8£5,044 GBP
Retailer 3£6,380 GBP
Retailer 7£6,401 GBP
Retailer 9£6,452 GBP
Retailer 2£6,693 GBP
Retailer 6£6,991 GBP
Retailer 5£7,516 GBP
MOH London£9,599 GBP

42 data points across 9 retailers

14 retailers£5,030 GBP to £9,599 GBP

B+
Cheapest Retailer
-
£5,030 GBP
B+
Retailer 2
-
£5,044 GBP
View
B+
Retailer 3
-
£5,387 GBP
View
B+
Retailer 4
-
£5,555 GBP
View
B+
Retailer 5
-
£6,380 GBP
View
B
Retailer 6
-
£6,401 GBP
View
B
Retailer 7
-
£6,452 GBP
View
B
Retailer 8
-
£6,693 GBP
View
B
Retailer 9
-
£6,866 GBP
View
B
Retailer 10
-
£6,866 GBP
View
B
Retailer 11
-
£6,991 GBP
View
B
Retailer 12
-
£7,090 GBP
View
B
Retailer 13
-
£7,516 GBP
View
Most Expensive
B
MOH London
B80DC7246 · Nov 4
£9,599 GBP
View
13 more retailers have this diamond
Prices start from £5,030 GBPSave up to £4,570 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+
1.50ct Marquise
£5,030 GBP