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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 $295 NZD
$166 USD
As of October 30, 2026
Save $1,420 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,715 NZD 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 29, 2026, with prices from $295 to $1,715, a $1,420 spread on the same certified stone. MOH London lists it at $1,715. 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
Colour
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 30
Current: $1,715 NZD|Low: $232 NZD|High: $1,726 NZD|Avg: $733 NZD|+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 31, 2026
Retailer 7$295 NZD
Retailer 4$328 NZD
Retailer 11$341 NZD
Retailer 8$366 NZD
Retailer 12$366 NZD
Retailer 2$647 NZD
Retailer 10$658 NZD
Retailer 5$763 NZD
Retailer 3$774 NZD
Retailer 9$1,173 NZD
Retailer 6$1,238 NZD
MOH London$1,715 NZD

44 data points across 12 retailers

13 retailers$295 NZD to $1,715 NZD

A
Cheapest Retailer
-
$295 NZD
$166 USD
A
Retailer 2
-
$328 NZD
$185 USD
View
Final sale: no returns
A
Retailer 3
-
$341 NZD
$192 USD
View
A
Retailer 4
-
$366 NZD
$206 USD
View
A
Retailer 5
-
$366 NZD
$206 USD
View
B+
Retailer 6
-
$647 NZD
£287 GBP
View
B+
Retailer 7
-
$658 NZD
$371 USD
View
B+
Retailer 8
-
$727 NZD
HK$3,200 HKD
View
B+
Retailer 9
-
$763 NZD
$430 USD
View
B+
Retailer 10
-
$774 NZD
$436 USD
View
B
Retailer 11
-
$1,173 NZD
$661 USD
View
B
Retailer 12
-
$1,238 NZD
$698 USD
View
Most Expensive
B
MOH London
LG530295905 · Oct 29
$1,715 NZD
£761 GBP
View
12 more retailers have this diamond
Prices start from $295 NZDSave up to $1,420 NZD

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
$295 NZD