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Marquise|Natural|GIA

1.50ct L SI2 Marquise Natural Diamond

EX • L/SI2 • GIA 2468989131

Certificate GIA 2468989131

Diamond specifications and retailer prices

From £1,258 GBP
As of November 6, 2026
Save £2,234 GBP (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,492 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 2468989131. Listed at 10 retailers as of November 5, 2026, with prices from £1,258 to £3,492, a £2,234 spread on the same certified stone. NZ Jewellers lists it at £3,492. 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 2468989131
Dimensions11.30 × 5.97 × 3.73 mm
L/W Ratio1.89
Top View
11.30 mm5.97 mm1.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2468989131
Side View
Table 58.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 62.5%

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 6
Current: £1,594 GBP|Low: £1,258 GBP|High: £2,202 GBP|Avg: £1,607 GBP|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2£1,258 GBP
Retailer 8£1,369 GBP
Retailer 7£1,431 GBP
Retailer 6£1,498 GBP
Retailer 4£1,499 GBP
Retailer 1£1,594 GBP
Retailer 5£1,594 GBP
Retailer 3£1,875 GBP

44 data points across 8 retailers

10 retailers£1,258 GBP to £3,492 GBP

A
Cheapest Retailer
-
£1,258 GBP
A
Retailer 2
-
£1,369 GBP
View
A
Retailer 3
-
£1,431 GBP
View
Retailer 4
-
£1,431 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£1,498 GBP
View
A
Retailer 6
-
£1,499 GBP
View
B+
Retailer 7
-
£1,594 GBP
View
A
Retailer 8
-
£1,594 GBP
View
A
Retailer 9
-
£1,875 GBP
View
Most Expensive
B
NZ Jewellers
321b82f2-c155-4eb6-b135-075dffbb24fb · Nov 5
£3,492 GBP
$4,674 USD
View
9 more retailers have this diamond
Prices start from £1,258 GBPSave up to £2,234 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
£1,258 GBP