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Marquise|Natural|GIA

1.50ct L SI2 Marquise Natural Diamond

EX • L/SI2 • GIA 2537738274

Certificate GIA 2537738274

Diamond specifications and retailer prices

From £1,442 GBP
As of November 4, 2026
Save £283 GBP (16%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,725 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two 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 2537738274. Listed at 6 retailers as of November 4, 2026, with prices from £1,442 to £1,725, a £283 spread on the same certified stone. 77 Diamonds lists it at £1,725. 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
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537738274
Dimensions5.56 × 11.87 × 3.63 mm
L/W Ratio2.13
Top View
5.56 mm11.87 mm1.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2537738274
Side View
Table 57.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,725 GBP|Low: £1,186 GBP|High: £2,770 GBP|Avg: £1,747 GBP|-6.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£1,442 GBP
Retailer 2£1,479 GBP
Retailer 3£1,612 GBP
Retailer 6£1,647 GBP
Retailer 4£1,658 GBP
77 Diamonds£1,725 GBP

46 data points across 6 retailers

6 retailers£1,442 GBP to £1,725 GBP

A
Cheapest Retailer
-
£1,442 GBP
A
Retailer 2
-
£1,479 GBP
View
A
Retailer 3
-
£1,612 GBP
View
Retailer 4
-
£1,647 GBP
View
Price last confirmed 29 days ago
B+
Retailer 5
-
£1,658 GBP
View
Most Expensive
A
77 Diamonds
MQPUIFS6QETZUYK · Nov 6
£1,725 GBP
View
5 more retailers have this diamond
Prices start from £1,442 GBPSave up to £283 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
1.50ct Marquise
£1,442 GBP