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Marquise|Natural|GIA

1.50ct D SI2 Marquise Natural Diamond

ID • D/SI2 • GIA 1548162106

Certificate GIA 1548162106

Diamond specifications and retailer prices

From £5,862 GBP
As of November 6, 2026
Save £5,169 GBP (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £11,031 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 1548162106. Listed at 18 retailers as of November 5, 2026, with prices from £5,862 to £11,031, a £5,169 spread on the same certified stone. NZ Jewellers lists it at £11,031. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.72°
Pavilion angle33.55°
OriginNatural
Grading LabGIA
CertificateGIA 1548162106
Dimensions11.00 × 5.78 × 3.83 mm
L/W Ratio1.90
Key to symbols
Crystal, Feather, Cavity
Top View
11.00 mm5.78 mm1.50 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548162106
Side View
Table 57.0%Crown 34.72°Girdle: VTK-XTKPavilion 33.55°Culet: NoneDepth 66.3%

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: £6,140 GBP|Low: £6,140 GBP|High: £10,460 GBP|Avg: £7,833 GBP|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1£6,140 GBP
Retailer 4£7,167 GBP
Retailer 7£7,305 GBP
Retailer 2£7,417 GBP
Retailer 6£8,036 GBP
Retailer 3£8,292 GBP
Retailer 5£10,309 GBP

29 data points across 7 retailers

18 retailers£5,862 GBP to £11,031 GBP

A
Cheapest Retailer
-
£5,862 GBP
A
Retailer 2
-
£6,140 GBP
View
A
Retailer 3
-
£6,356 GBP
View
Retailer 4
-
£6,482 GBP
View
Price last confirmed 25 days ago
A
Retailer 5
-
£6,758 GBP
View
A
Retailer 6
-
£6,779 GBP
View
A
Retailer 7
-
£6,915 GBP
View
A
Retailer 8
-
£7,167 GBP
View
Retailer 9
-
£7,305 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£7,305 GBP
View
Final sale: no returns
A
Retailer 11
-
£7,417 GBP
View
B+
Retailer 12
-
£7,914 GBP
View
B+
Retailer 13
-
£8,036 GBP
View
B+
Retailer 14
-
£8,096 GBP
View
B+
Retailer 15
-
£8,292 GBP
View
B
Retailer 16
-
£9,132 GBP
View
B+
Retailer 17
-
£10,309 GBP
View
Most Expensive
B
NZ Jewellers
d02f73c7-08bf-404d-90df-c80f6b2f3184 · Nov 5
£11,031 GBP
$14,765 USD
View
17 more retailers have this diamond
Prices start from £5,862 GBPSave up to £5,169 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
£5,862 GBP