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Marquise|Lab Grown|IGI

0.71ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG640488814

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG640488814

Diamond specifications and retailer prices

From $231 AUD
As of November 5, 2026
Save $1,764 AUD (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,996 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 0.71ct lab-grown marquise diamond

This 0.71ct 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 LG640488814 or 640488814. Listed at 8 retailers as of November 5, 2026, with prices from $231 to $1,996, a $1,764 spread on the same certified stone. MOH London lists it at $1,996. 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

0.71
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640488814
Dimensions8.84 × 4.65 × 2.98 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.84 mm4.65 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG640488814
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
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: Nov 5
Current: $1,996 AUD|Low: $231 AUD|High: $1,996 AUD|Avg: $677 AUD
MOH London
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 18
November 6, 2026
Retailer 14$231 AUD
Retailer 12$326 AUD
Retailer 4$363 AUD
Retailer 5$366 AUD
Retailer 6$380 AUD
Retailer 2$401 AUD
Retailer 17$416 AUD
Retailer 16$446 AUD
Retailer 3$470 AUD
Retailer 11$521 AUD
Retailer 10$600 AUD
Retailer 8$857 AUD
Retailer 9$857 AUD
Retailer 13$869 AUD
Retailer 15$876 AUD
Retailer 7$900 AUD
Retailer 18$1,054 AUD
MOH London$1,996 AUD

2 data points across 18 retailers

8 retailers$231 AUD to $1,996 AUD

A
Cheapest Retailer
-
$231 AUD
A
Retailer 2
-
$326 AUD
View
B+
Retailer 3
-
$401 AUD
View
B+
Retailer 4
-
$446 AUD
View
B+
Retailer 5
-
$521 AUD
View
B
Retailer 6
-
$869 AUD
View
B
Retailer 7
-
$876 AUD
View
Most Expensive
B
MOH London
LG640488814 · Nov 5
$1,996 AUD
£1,100 GBP
View
7 more retailers have this diamond
Prices start from $231 AUDSave up to $1,764 AUD

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
0.71ct Marquise
$231 AUD