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Marquise|Lab Grown|IGI

0.72ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436074422

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436074422

Diamond specifications and retailer prices

From £328 GBP
$440 USD
As of November 2, 2026
Save £1,541 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,869 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.72ct lab-grown marquise diamond

This 0.72ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074422 or 436074422. Listed at 12 retailers as of November 1, 2026, with prices from £328 to £1,869, a £1,541 spread on the same certified stone. MOH London lists it at £1,869. 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

0.72
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074422
Dimensions8.57 × 4.77 × 3.06 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.57 mm4.77 mm0.72 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436074422
Side View
Table 56.5%Crown 32.1°Girdle: MED-STKPavilion 42°Culet: NoneDepth 64.2%

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: £1,869 GBP|Low: £328 GBP|High: £1,892 GBP|Avg: £882 GBP
MOH London
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 1, 2026
Retailer 2£328 GBP
Retailer 9£361 GBP
Retailer 3£404 GBP
Retailer 13£405 GBP
Retailer 10£448 GBP
Retailer 14£448 GBP
Retailer 5£551 GBP
Retailer 12£698 GBP
Retailer 7£750 GBP
Retailer 8£1,203 GBP
Retailer 11£1,439 GBP
Retailer 4£1,450 GBP
Retailer 6£1,799 GBP
MOH London£1,869 GBP

21 data points across 14 retailers

12 retailers£328 GBP to £1,869 GBP

A
Cheapest Retailer
-
£328 GBP
$440 USD
B+
Retailer 2
-
£361 GBP
$485 USD
View
B+
Retailer 3
-
£404 GBP
$542 USD
View
Final sale: no returns
B+
Retailer 4
-
£405 GBP
$543 USD
View
Retailer 5
-
£448 GBP
$601 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
£448 GBP
$601 USD
View
B
Retailer 7
-
£698 GBP
$937 USD
View
Retailer 8
-
£750 GBP
€959 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
£1,203 GBP
$1,615 USD
View
B
Retailer 10
-
£1,439 GBP
$1,931 USD
View
B
Retailer 11
-
£1,450 GBP
$1,946 USD
View
Most Expensive
B
MOH London
LG436074422 · Nov 1
£1,869 GBP
View
11 more retailers have this diamond
Prices start from £328 GBPSave up to £1,541 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
0.72ct Marquise
£328 GBP