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Marquise|Natural|IGI

1.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • IGI 762534384

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 762534384

Diamond specifications and retailer prices

From £2,294 GBP
$3,079 USD
As of October 31, 2026
Save £2,208 GBP (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,502 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 762534384. Listed at 14 retailers as of October 30, 2026, with prices from £2,294 to £4,502, a £2,208 spread on the same certified stone. NZ Jewellers lists it at £4,502. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 762534384
Dimensions11.68 × 5.98 × 3.75 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Top View
11.68 mm5.98 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 762534384
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £4,502 GBP|Low: £2,294 GBP|High: £4,640 GBP|Avg: £3,076 GBP|-3.0%
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
November 2, 2026
Retailer 12£2,294 GBP
Retailer 4£2,385 GBP
Retailer 11£2,452 GBP
Retailer 13£2,474 GBP
Retailer 6£2,555 GBP
Retailer 9£2,584 GBP
Retailer 5£2,663 GBP
Retailer 2£2,683 GBP
Retailer 8£2,692 GBP
Retailer 3£2,982 GBP
Retailer 7£3,024 GBP
Retailer 10£4,322 GBP
NZ Jewellers£4,502 GBP

45 data points across 13 retailers

14 retailers£2,294 GBP to £4,502 GBP

A
Cheapest Retailer
-
£2,294 GBP
$3,079 USD
A
Retailer 2
-
£2,385 GBP
$3,200 USD
View
Final sale: no returns
A
Retailer 3
-
£2,452 GBP
$3,291 USD
View
A
Retailer 4
-
£2,474 GBP
$3,320 USD
View
A
Retailer 5
-
£2,555 GBP
View
A
Retailer 6
-
£2,584 GBP
$3,468 USD
View
A
Retailer 7
-
£2,663 GBP
$3,574 USD
View
Retailer 8
-
£2,663 GBP
$3,574 USD
View
Price last confirmed 17 days ago
A
Retailer 9
-
£2,683 GBP
$3,601 USD
View
A
Retailer 10
-
£2,692 GBP
$3,613 USD
View
A
Retailer 11
-
£2,982 GBP
$4,001 USD
View
A
Retailer 12
-
£3,024 GBP
€3,865 EUR
View
B+
Retailer 13
-
£4,322 GBP
View
Most Expensive
B+
NZ Jewellers
c5fb1da5-b97b-4ff4-b4f0-bc743ac49258 · Oct 30
£4,502 GBP
$6,042 USD
View
13 more retailers have this diamond
Prices start from £2,294 GBPSave up to £2,208 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
£2,294 GBP