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Marquise|Natural|IGI

1.50ct H SI1 Marquise Natural Diamond

EX • H/SI1 • IGI 760516545

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 760516545

Diamond specifications and retailer prices

From £4,527 GBP
₹578,508 INR
As of November 2, 2026
Save £5,490 GBP (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £10,016 GBP at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 760516545. Listed at 17 retailers as of October 30, 2026, with prices from £4,527 to £10,016, a £5,490 spread on the same certified stone. NZ Jewellers lists it at £10,016. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 760516545
Dimensions13.29 × 5.68 × 3.56 mm
L/W Ratio2.34
Girdle conditionFaceted
Culet sizePointed
Top View
13.29 mm5.68 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 760516545
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 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 2
Current: £4,527 GBP|Low: £4,517 GBP|High: £8,447 GBP|Avg: £6,208 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 1£4,527 GBP
Retailer 8£5,518 GBP
Retailer 2£5,643 GBP
Retailer 4£5,677 GBP
Retailer 7£6,010 GBP
Retailer 3£6,541 GBP
Retailer 6£7,357 GBP
Retailer 5£8,346 GBP

27 data points across 8 retailers

17 retailers£4,527 GBP to £10,016 GBP

A
Cheapest Retailer
-
£4,527 GBP
₹578,508 INR
B+
Retailer 2
-
£5,176 GBP
$6,946 USD
View
B+
Retailer 3
-
£5,301 GBP
$7,114 USD
View
B+
Retailer 4
-
£5,518 GBP
$7,405 USD
View
B+
Retailer 5
-
£5,528 GBP
$7,418 USD
View
B+
Retailer 6
-
£5,643 GBP
View
B+
Retailer 7
-
£5,677 GBP
View
B+
Retailer 8
-
£5,959 GBP
$7,997 USD
View
B+
Retailer 9
-
£5,988 GBP
$8,036 USD
View
B+
Retailer 10
-
£6,010 GBP
$8,065 USD
View
B+
Retailer 11
-
£6,081 GBP
$8,160 USD
View
B+
Retailer 12
-
£6,115 GBP
$8,205 USD
View
B+
Retailer 13
-
£6,541 GBP
€8,360 EUR
View
B
Retailer 14
-
£6,910 GBP
$9,273 USD
View
B
Retailer 15
-
£7,357 GBP
ZAR 159,492 ZAR
View
B
Retailer 16
-
£8,346 GBP
View
Most Expensive
B
NZ Jewellers
cb2efdc1-8be2-4d17-b39f-29b871316638 · Oct 30
£10,016 GBP
$13,441 USD
View
16 more retailers have this diamond
Prices start from £4,527 GBPSave up to £5,490 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
£4,527 GBP