CaratHunter
Plans
Cushion|Lab Grown|IGI

0.71ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG459116502

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG459116502

Diamond specifications and retailer prices

From $389 AUD
$273 USD
As of October 30, 2026
Save $1,265 AUD (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,654 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.71ct lab-grown cushion diamond

This 0.71ct lab-grown cushion 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 LG459116502 or 459116502. Listed at 3 retailers as of October 29, 2026, with prices from $389 to $1,654, a $1,265 spread on the same certified stone. MOH London lists it at $1,654. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459116502
Dimensions5.22 × 5.09 × 3.54 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
5.22 mm5.09 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG459116502
Side View
Table 60.0%Crown 33.4°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 69.5%

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: $1,654 AUD|Low: $268 AUD|High: $1,665 AUD|Avg: $875 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 3$389 AUD
Retailer 2$397 AUD
Retailer 4$939 AUD
Retailer 5$1,039 AUD
MOH London$1,654 AUD

34 data points across 5 retailers

3 retailers$389 AUD to $1,654 AUD

A
Cheapest Retailer
-
$389 AUD
$273 USD
A
Retailer 2
-
$397 AUD
£219 GBP
View
Most Expensive
B
MOH London
LG459116502 · Oct 29
$1,654 AUD
£915 GBP
View
2 more retailers have this diamond
Prices start from $389 AUDSave up to $1,265 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 Cushion
$389 AUD