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Marquise|Natural|GIA

1.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6552006150

Certificate GIA 6552006150

Diamond specifications and retailer prices

From £6,982 GBP
$9,355 USD
As of October 30, 2026
Save £4,519 GBP (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £11,501 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct 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 6552006150. Listed at 14 retailers as of October 30, 2026, with prices from £6,982 to £11,501, a £4,519 spread on the same certified stone. NZ Jewellers lists it at £11,501. 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

1.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552006150
Dimensions11.71 × 5.83 × 3.40 mm
L/W Ratio2.01
Top View
11.71 mm5.83 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552006150
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 58.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £11,501 GBP|Low: £6,982 GBP|High: £11,639 GBP|Avg: £8,516 GBP|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 6£6,982 GBP
Retailer 11£7,013 GBP
Retailer 12£7,068 GBP
Retailer 8£7,488 GBP
Retailer 14£7,616 GBP
Retailer 3£7,617 GBP
Retailer 2£7,775 GBP
Retailer 5£8,251 GBP
Retailer 4£8,378 GBP
Retailer 13£8,444 GBP
Retailer 7£8,692 GBP
Retailer 10£9,521 GBP
Retailer 9£10,777 GBP
NZ Jewellers£11,501 GBP

33 data points across 14 retailers

14 retailers£6,982 GBP to £11,501 GBP

A
Cheapest Retailer
-
£6,982 GBP
$9,355 USD
A
Retailer 2
-
£7,013 GBP
$9,396 USD
View
A
Retailer 3
-
£7,068 GBP
$9,470 USD
View
A
Retailer 4
-
£7,488 GBP
View
B+
Retailer 5
-
£7,616 GBP
$10,205 USD
View
Final sale: no returns
A
Retailer 6
-
£7,617 GBP
$10,206 USD
View
A
Retailer 7
-
£7,775 GBP
View
B+
Retailer 8
-
£8,251 GBP
$11,056 USD
View
B+
Retailer 9
-
£8,378 GBP
$11,226 USD
View
B+
Retailer 10
-
£8,444 GBP
$11,314 USD
View
B+
Retailer 11
-
£8,692 GBP
€11,092 EUR
View
B+
Retailer 12
-
£9,521 GBP
$12,757 USD
View
B
Retailer 13
-
£10,777 GBP
View
Most Expensive
B
NZ Jewellers
0ae8e960-e63a-4067-bd72-18b10036012a · Oct 30
£11,501 GBP
$15,410 USD
View
13 more retailers have this diamond
Prices start from £6,982 GBPSave up to £4,519 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
1.51ct Marquise
£6,982 GBP