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Cushion|Lab Grown|IGI

0.71ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG506187708

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG506187708

Diamond specifications and retailer prices

From $486 NZD
$273 USD
As of October 30, 2026
Save $1,583 NZD (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,069 NZD 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 LG506187708 or 506187708. Listed at 3 retailers as of October 29, 2026, with prices from $486 to $2,069, a $1,583 spread on the same certified stone. MOH London lists it at $2,069. 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 angle34.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506187708
Dimensions5.21 × 5.09 × 3.60 mm
L/W Ratio1.02
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
5.21 mm5.09 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506187708
Side View
Table 58.5%Crown 34.2°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 70.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,069 NZD|Low: $335 NZD|High: $2,083 NZD|Avg: $1,040 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3$486 NZD
Retailer 2$496 NZD
Retailer 4$1,033 NZD
Retailer 5$1,033 NZD
Retailer 6$1,175 NZD
MOH London$2,069 NZD

34 data points across 6 retailers

3 retailers$486 NZD to $2,069 NZD

A
Cheapest Retailer
-
$486 NZD
$273 USD
A
Retailer 2
-
$496 NZD
£219 GBP
View
Most Expensive
B
MOH London
LG506187708 · Oct 29
$2,069 NZD
£915 GBP
View
2 more retailers have this diamond
Prices start from $486 NZDSave up to $1,583 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
0.71ct Cushion
$486 NZD