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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 6562492877

Certificate GIA 6562492877

Diamond specifications and retailer prices

From £7,119 GBP
As of November 4, 2026
Save £6,536 GBP (48%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £13,656 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562492877. Listed at 24 retailers as of November 4, 2026, with prices from £7,119 to £13,656, a £6,536 spread on the same certified stone. NZ Jewellers lists it at £13,656. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562492877
Dimensions11.52 × 5.89 × 3.70 mm
L/W Ratio1.96
Girdle conditionFaceted
Top View
11.52 mm5.89 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562492877
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 62.7%

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 4
Current: £13,656 GBP|Low: £7,070 GBP|High: £13,656 GBP|Avg: £8,903 GBP|+0.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
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Retailer 12
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Retailer 17
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Retailer 22
November 6, 2026
Retailer 12£7,119 GBP
Retailer 8£7,181 GBP
Retailer 14£7,448 GBP
Retailer 22£7,573 GBP
Retailer 19£7,700 GBP
Retailer 2£7,850 GBP
Retailer 6£7,889 GBP
Retailer 21£7,904 GBP
Retailer 11£8,084 GBP
Retailer 5£8,087 GBP
Retailer 10£8,193 GBP
Retailer 17£8,326 GBP
Retailer 9£8,412 GBP
Retailer 15£8,875 GBP
Retailer 7£9,059 GBP
Retailer 4£9,105 GBP
Retailer 13£9,117 GBP
Retailer 16£10,063 GBP
Retailer 3£10,235 GBP
Retailer 18£11,954 GBP
Retailer 20£12,761 GBP
NZ Jewellers£13,656 GBP

17 data points across 22 retailers

24 retailers£7,119 GBP to £13,656 GBP

A
Cheapest Retailer
-
£7,119 GBP
A
Retailer 2
-
£7,181 GBP
View
Retailer 3
-
£7,206 GBP
View
Price last confirmed 26 days ago
A
Retailer 4
-
£7,448 GBP
View
A
Retailer 5
-
£7,573 GBP
View
B+
Retailer 6
-
£7,700 GBP
View
Retailer 7
-
£7,803 GBP
View
Price last confirmed 26 days ago
B+
Retailer 8
-
£7,850 GBP
View
B+
Retailer 9
-
£7,889 GBP
View
B+
Retailer 10
-
£7,904 GBP
View
B+
Retailer 11
-
£8,084 GBP
View
B+
Retailer 12
-
£8,087 GBP
View
B+
Retailer 13
-
£8,193 GBP
View
Final sale: no returns
B+
Retailer 14
-
£8,326 GBP
View
B+
Retailer 15
-
£8,412 GBP
View
Retailer 16
-
£8,875 GBP
View
Price last confirmed 14 days ago
B+
Retailer 17
-
£9,059 GBP
View
B+
Retailer 18
-
£9,105 GBP
View
B+
Retailer 19
-
£9,117 GBP
View
B+
Retailer 20
-
£10,063 GBP
View
B+
Retailer 21
-
£10,235 GBP
View
B
Retailer 22
-
£11,954 GBP
View
B
Retailer 23
-
£12,761 GBP
View
Most Expensive
B
NZ Jewellers
6d4e1df9-db6b-44b4-a4bd-7028022d2000 · Nov 5
£13,656 GBP
$18,278 USD
View
23 more retailers have this diamond
Prices start from £7,119 GBPSave up to £6,536 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
£7,119 GBP