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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6555333072

Certificate GIA 6555333072

Diamond specifications and retailer prices

From £7,514 GBP
As of November 5, 2026
Save £5,253 GBP (41%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £12,767 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555333072. Listed at 21 retailers as of November 4, 2026, with prices from £7,514 to £12,767, a £5,253 spread on the same certified stone. MOH London lists it at £12,767. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555333072
Dimensions11.51 × 6.05 × 3.55 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
11.51 mm6.05 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555333072
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.6%

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 5
Current: £12,767 GBP|Low: £6,627 GBP|High: £12,767 GBP|Avg: £8,659 GBP|+10.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9£6,666 GBP
Retailer 4£7,514 GBP
Retailer 6£7,699 GBP
Retailer 7£7,907 GBP
Retailer 8£7,997 GBP
Retailer 10£8,038 GBP
Retailer 3£8,867 GBP
Retailer 5£8,909 GBP
Retailer 2£9,824 GBP
Retailer 11£10,601 GBP
MOH London£12,767 GBP

38 data points across 11 retailers

21 retailers£7,514 GBP to £12,767 GBP

Retailer 1
-
£6,666 GBP
Price last confirmed 8 days ago
Retailer 2
-
£7,390 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
£7,480 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£7,514 GBP
View
B+
Retailer 5
-
£7,635 GBP
View
B+
Retailer 6
-
£7,699 GBP
View
B+
Retailer 7
-
£7,907 GBP
View
Final sale: no returns
B+
Retailer 8
-
£7,997 GBP
View
Retailer 9
-
£8,038 GBP
View
Price last confirmed 15 days ago
Retailer 10
-
£8,061 GBP
View
Price last confirmed 22 days ago
B+
Retailer 11
-
£8,708 GBP
View
Retailer 12
-
£8,734 GBP
View
Price last confirmed 9 days ago
Retailer 13
-
£8,867 GBP
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£8,909 GBP
View
Retailer 15
-
£8,940 GBP
View
Price last confirmed 8 days ago
B
Retailer 16
-
£9,824 GBP
View
Retailer 17
-
£10,074 GBP
View
Price last confirmed 62 days ago
B+
Retailer 18
-
£10,077 GBP
View
Retailer 19
-
£10,601 GBP
View
Price last confirmed 21 days ago
Retailer 20
-
£12,173 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
2904DD41F · Nov 4
£12,767 GBP
View
20 more retailers have this diamond
Prices start from £7,514 GBPSave up to £5,253 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
£7,514 GBP