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Marquise|Natural|GIA

1.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 3565306331

Certificate GIA 3565306331

Diamond specifications and retailer prices

From £5,369 GBP
As of November 6, 2026
Save £6,575 GBP (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £11,944 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565306331. Listed at 17 retailers as of November 5, 2026, with prices from £5,369 to £11,944, a £6,575 spread on the same certified stone. NZ Jewellers lists it at £11,944. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3565306331
Dimensions11.34 × 5.99 × 3.80 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle, Indented Natural
Top View
11.34 mm5.99 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3565306331
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £11,944 GBP|Low: £5,369 GBP|High: £11,944 GBP|Avg: £7,641 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£5,369 GBP
Retailer 8£6,592 GBP
Retailer 5£6,601 GBP
Retailer 3£6,693 GBP
Retailer 6£6,877 GBP
Retailer 10£7,301 GBP
Retailer 9£7,331 GBP
Retailer 4£7,375 GBP
Retailer 7£9,953 GBP
NZ Jewellers£11,944 GBP

29 data points across 10 retailers

17 retailers£5,369 GBP to £11,944 GBP

A
Cheapest Retailer
-
£5,369 GBP
A
Retailer 2
-
£5,725 GBP
View
Final sale: no returns
A
Retailer 3
-
£6,043 GBP
View
A
Retailer 4
-
£6,173 GBP
View
A
Retailer 5
-
£6,303 GBP
View
Retailer 6
-
£6,592 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£6,601 GBP
View
A
Retailer 8
-
£6,693 GBP
View
A
Retailer 9
-
£6,877 GBP
View
B+
Retailer 10
-
£7,142 GBP
View
B+
Retailer 11
-
£7,251 GBP
View
B+
Retailer 12
-
£7,301 GBP
View
B+
Retailer 13
-
£7,331 GBP
View
A
Retailer 14
-
£7,375 GBP
View
B+
Retailer 15
-
£8,240 GBP
View
B+
Retailer 16
-
£9,953 GBP
View
Most Expensive
B
NZ Jewellers
85bba296-3b98-46e9-bd22-e5887c33bb20 · Nov 5
£11,944 GBP
$15,987 USD
View
16 more retailers have this diamond
Prices start from £5,369 GBPSave up to £6,575 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
£5,369 GBP