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Marquise|Natural|GIA

1.50ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6542779839

Certificate GIA 6542779839

Diamond specifications and retailer prices

From £5,981 GBP
As of November 4, 2026
Save £4,667 GBP (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £10,649 GBP at NZ Jewellers · As of November 3, 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 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 6542779839. Listed at 12 retailers as of November 3, 2026, with prices from £5,981 to £10,649, a £4,667 spread on the same certified stone. NZ Jewellers lists it at £10,649. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542779839
Dimensions11.57 × 6.05 × 3.80 mm
L/W Ratio1.91
Top View
11.57 mm6.05 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542779839
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.9%

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 4
Current: £10,649 GBP|Low: £5,981 GBP|High: £10,649 GBP|Avg: £7,744 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 6£5,981 GBP
Retailer 7£6,389 GBP
Retailer 8£6,442 GBP
Retailer 2£6,915 GBP
Retailer 10£6,921 GBP
Retailer 9£7,028 GBP
Retailer 5£7,401 GBP
Retailer 3£7,925 GBP
Retailer 4£9,978 GBP
NZ Jewellers£10,649 GBP

40 data points across 10 retailers

12 retailers£5,981 GBP to £10,649 GBP

B+
Cheapest Retailer
-
£5,981 GBP
Retailer 2
-
£6,389 GBP
View
Price last confirmed 9 days ago
B+
Retailer 3
-
£6,442 GBP
View
B
Retailer 4
-
£6,915 GBP
View
B
Retailer 5
-
£6,921 GBP
View
B
Retailer 6
-
£7,028 GBP
View
B+
Retailer 7
-
£7,401 GBP
View
B
Retailer 8
-
£7,925 GBP
View
B
Retailer 9
-
£7,987 GBP
View
Retailer 10
-
£8,411 GBP
View
Price last confirmed 15 days ago
B
Retailer 11
-
£9,978 GBP
View
Most Expensive
B
NZ Jewellers
5183cebd-654d-4983-a2f3-66736426ba3f · Nov 3
£10,649 GBP
$14,253 USD
View
11 more retailers have this diamond
Prices start from £5,981 GBPSave up to £4,667 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
£5,981 GBP