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Marquise|Lab Grown|IGI

0.71ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436047593

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047593

Diamond specifications and retailer prices

From $614 AUD
$430 USD
As of October 31, 2026
Save $2,511 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,124 AUD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047593 or 436047593. Listed at 11 retailers as of October 29, 2026, with prices from $614 to $3,124, a $2,511 spread on the same certified stone. MOH London lists it at $3,124. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047593
Dimensions8.72 × 4.83 × 2.93 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.72 mm4.83 mm0.71 ctH / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047593
Side View
Table 57.0%Crown 33.4°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 60.7%

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 31
Current: $3,124 AUD|Low: $614 AUD|High: $3,400 AUD|Avg: $1,515 AUD|-0.7%
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
Retailer 14
October 30, 2026
Retailer 2$614 AUD
Retailer 9$682 AUD
Retailer 3$763 AUD
Retailer 13$765 AUD
Retailer 10$846 AUD
Retailer 14$846 AUD
Retailer 4$1,049 AUD
Retailer 12$1,321 AUD
Retailer 7$1,419 AUD
Retailer 5$1,433 AUD
Retailer 8$2,274 AUD
Retailer 11$2,720 AUD
MOH London$3,124 AUD
Retailer 6$3,400 AUD

22 data points across 14 retailers

11 retailers$614 AUD to $3,124 AUD

A
Cheapest Retailer
-
$614 AUD
$430 USD
B+
Retailer 2
-
$682 AUD
$478 USD
View
B+
Retailer 3
-
$763 AUD
$535 USD
View
Final sale: no returns
B+
Retailer 4
-
$765 AUD
$536 USD
View
Retailer 5
-
$846 AUD
$593 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$846 AUD
$593 USD
View
B
Retailer 7
-
$1,321 AUD
$926 USD
View
Retailer 8
-
$1,419 AUD
€947 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
$2,274 AUD
$1,594 USD
View
B
Retailer 10
-
$2,720 AUD
$1,906 USD
View
Most Expensive
B
MOH London
LG436047593 · Oct 29
$3,124 AUD
£1,724 GBP
View
10 more retailers have this diamond
Prices start from $614 AUDSave up to $2,511 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
$614 AUD