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Marquise|Lab Grown|IGI

0.73ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG652428166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG652428166

Diamond specifications and retailer prices

From £70 GBP
$94 USD
As of October 30, 2026
Save £569 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £639 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.73ct lab-grown marquise diamond

This 0.73ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG652428166 or 652428166. Listed at 11 retailers as of October 29, 2026, with prices from £70 to £639, a £569 spread on the same certified stone. MOH London lists it at £639. 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

0.73
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652428166
Dimensions9.22 × 4.75 × 3.03 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.22 mm4.75 mm0.73 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652428166
Side View
Table 56.0%Crown 36.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.8%

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: £639 GBP|Low: £70 GBP|High: £639 GBP|Avg: £235 GBP
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 31, 2026
Retailer 10£70 GBP
Retailer 14£81 GBP
Retailer 11£92 GBP
Retailer 16£105 GBP
Retailer 15£146 GBP
Retailer 5£159 GBP
Retailer 2£162 GBP
Retailer 4£181 GBP
Retailer 3£189 GBP
Retailer 12£266 GBP
Retailer 13£278 GBP
Retailer 7£293 GBP
Retailer 9£310 GBP
Retailer 8£410 GBP
Retailer 6£425 GBP
MOH London£639 GBP

4 data points across 16 retailers

11 retailers£70 GBP to £639 GBP

A
Cheapest Retailer
-
£70 GBP
$94 USD
A
Retailer 2
-
£81 GBP
$108 USD
View
A
Retailer 3
-
£92 GBP
$123 USD
View
A
Retailer 4
-
£105 GBP
HK$1,100 HKD
View
A
Retailer 5
-
£162 GBP
View
A
Retailer 6
-
£181 GBP
$242 USD
View
A
Retailer 7
-
£189 GBP
View
B+
Retailer 8
-
£266 GBP
$357 USD
View
B+
Retailer 9
-
£278 GBP
$373 USD
View
B+
Retailer 10
-
£310 GBP
$416 USD
View
Most Expensive
B
MOH London
LG652428166 · Oct 29
£639 GBP
View
10 more retailers have this diamond
Prices start from £70 GBPSave up to £569 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
0.73ct Marquise
£70 GBP