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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 $108 USD
As of October 28, 2026
Save $748 USD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $856 USD 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 8 retailers as of October 28, 2026, with prices from $108 to $856, a $748 spread on the same certified stone. MOH London lists it at $856. 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
Color
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 28
Current: $856 USD|Low: $108 USD|High: $856 USD|Avg: $323 USD
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
October 29, 2026
Retailer 7$108 USD
Retailer 10$141 USD
Retailer 8$195 USD
Retailer 13$213 USD
Retailer 9$218 USD
Retailer 12$242 USD
Retailer 11$253 USD
Retailer 2$357 USD
Retailer 6$373 USD
Retailer 4$393 USD
Retailer 5$550 USD
Retailer 3$570 USD
MOH London$856 USD

2 data points across 13 retailers

8 retailers$108 USD to $856 USD

A
Cheapest Retailer
-
$108 USD
A
Retailer 2
-
$141 USD
HK$1,100 HKD
View
A
Retailer 3
-
$218 USD
£172 GBP
View
A
Retailer 4
-
$242 USD
View
B+
Retailer 5
-
$253 USD
£199 GBP
View
Retailer 6
-
$357 USD
View
Retailer 7
-
$373 USD
View
Most Expensive
MOH London
LG652428166 · Oct 29
$856 USD
£674 GBP
View
7 more retailers have this diamond
Prices start from $108 USDSave up to $748 USD

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
$108 USD