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Cushion|Lab Grown|IGI

1.00ct E SI2 Cushion Lab Grown Diamond

VG • E/SI2 • IGI LG843650591

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843650591

Diamond specifications and retailer prices

From $268 NZD
$151 USD
As of October 30, 2026
Save $2,220 NZD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,488 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG843650591 or 843650591. Listed at 10 retailers as of October 25, 2026, with prices from $268 to $2,488, a $2,220 spread on the same certified stone. MOH London lists it at $2,488. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.1°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843650591
Dimensions7.09 × 5.04 × 3.39 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.09 mm5.04 mm1.00 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG843650591
Side View
Table 70.0%Crown 31.1°Girdle: MED-THKPavilion 36.1°Culet: NoneDepth 67.3%

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: $2,488 NZD|Low: $268 NZD|High: $2,515 NZD|Avg: $708 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7$268 NZD
Retailer 5$399 NZD
Retailer 10$405 NZD
Retailer 9$451 NZD
Retailer 3$500 NZD
Retailer 2$533 NZD
Retailer 4$565 NZD
Retailer 6$781 NZD
Retailer 8$825 NZD
MOH London$2,488 NZD

26 data points across 10 retailers

10 retailers$268 NZD to $2,488 NZD

A
Cheapest Retailer
-
$268 NZD
$151 USD
Final sale: no returns
Retailer 2
-
$399 NZD
£177 GBP
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$405 NZD
$228 USD
View
B+
Retailer 4
-
$451 NZD
$254 USD
View
A
Retailer 5
-
$500 NZD
£222 GBP
View
A
Retailer 6
-
$533 NZD
€286 EUR
View
B+
Retailer 7
-
$565 NZD
£251 GBP
View
B+
Retailer 8
-
$781 NZD
$440 USD
View
B+
Retailer 9
-
$825 NZD
SGD 628 SGD
View
Most Expensive
B
MOH London
LG843650591 · Oct 25
$2,488 NZD
£1,104 GBP
View
9 more retailers have this diamond
Prices start from $268 NZDSave up to $2,220 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
1.00ct Cushion
$268 NZD