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Cushion|Lab Grown|IGI

1.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG677514326

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG677514326

Diamond specifications and retailer prices

From $280 NZD
$158 USD
As of October 30, 2026
Save $1,209 NZD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,489 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677514326 or 677514326. Listed at 10 retailers as of October 29, 2026, with prices from $280 to $1,489, a $1,209 spread on the same certified stone. MOH London lists it at $1,489. 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

1.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677514326
Dimensions6.89 × 5.51 × 3.65 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm5.51 mm1.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677514326
Side View
Table 62.0%Crown 31.2°Girdle: MED-VTKPavilion 40.8°Culet: NoneDepth 66.2%

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: $1,489 NZD|Low: $280 NZD|High: $1,489 NZD|Avg: $665 NZD|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10$280 NZD
Retailer 8$316 NZD
Retailer 9$515 NZD
Retailer 4$538 NZD
Retailer 3$582 NZD
Retailer 5$595 NZD
Retailer 7$600 NZD
Retailer 2$747 NZD
Retailer 6$1,106 NZD
MOH London$1,489 NZD

42 data points across 10 retailers

10 retailers$280 NZD to $1,489 NZD

A
Cheapest Retailer
-
$280 NZD
$158 USD
Final sale: no returns
A
Retailer 2
-
$316 NZD
$178 USD
View
A
Retailer 3
-
$515 NZD
$290 USD
View
A
Retailer 4
-
$538 NZD
£239 GBP
View
A
Retailer 5
-
$582 NZD
$328 USD
View
A
Retailer 6
-
$595 NZD
£264 GBP
View
A
Retailer 7
-
$600 NZD
€322 EUR
View
B+
Retailer 8
-
$747 NZD
$421 USD
View
B+
Retailer 9
-
$1,106 NZD
$623 USD
View
Most Expensive
B
MOH London
LG677514326 · Oct 29
$1,489 NZD
£661 GBP
View
9 more retailers have this diamond
Prices start from $280 NZDSave up to $1,209 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
1.01ct Cushion
$280 NZD