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Marquise|Lab Grown|IGI

0.73ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG530295905

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG530295905

Diamond specifications and retailer prices

From $166 USD
As of October 27, 2026
Save $800 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $966 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530295905 or 530295905. Listed at 13 retailers as of October 27, 2026, with prices from $166 to $966, a $800 spread on the same certified stone. MOH London lists it at $966. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530295905
Dimensions9.76 × 4.74 × 2.72 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.76 mm4.74 mm0.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530295905
Side View
Table 62.5%Crown 32.2°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 57.4%

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: Oct 27
Current: $966 USD|Low: $131 USD|High: $973 USD|Avg: $413 USD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$166 USD
Retailer 4$185 USD
Retailer 11$192 USD
Retailer 8$206 USD
Retailer 12$206 USD
Retailer 2$364 USD
Retailer 10$371 USD
Retailer 3$436 USD
Retailer 7$540 USD
Retailer 9$661 USD
Retailer 5$698 USD
MOH London$966 USD

43 data points across 12 retailers

13 retailers$166 USD to $966 USD

A
Cheapest Retailer
-
$166 USD
A
Retailer 2
-
$185 USD
View
Final sale: no returns
A
Retailer 3
-
$192 USD
View
A
Retailer 4
-
$206 USD
View
A
Retailer 5
-
$206 USD
View
B+
Retailer 6
-
$364 USD
£286 GBP
View
B+
Retailer 7
-
$371 USD
View
B+
Retailer 8
-
$410 USD
HK$3,200 HKD
View
B+
Retailer 9
-
$436 USD
View
B
Retailer 10
-
$540 USD
View
B
Retailer 11
-
$661 USD
View
B
Retailer 12
-
$698 USD
View
Most Expensive
B
MOH London
LG530295905 · Oct 29
$966 USD
£761 GBP
View
12 more retailers have this diamond
Prices start from $166 USDSave up to $800 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
$166 USD