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Cushion|Lab Grown|IGI

1.09ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG840658745

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840658745

Diamond specifications and retailer prices

From $479 NZD
$270 USD
As of October 30, 2026
Save $571 NZD (54%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,413 NZD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840658745 or 840658745. Listed at 3 retailers as of October 30, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840658745
Dimensions7.24 × 5.33 × 3.58 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.24 mm5.33 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840658745
Side View
Table 59.0%Crown 36.2°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,413 NZD|Low: $479 NZD|High: $2,431 NZD|Avg: $1,511 NZD|-0.7%
Rare Carat
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$479 NZD
Retailer 2$1,050 NZD
Rare Carat$2,413 NZD

27 data points across 3 retailers

3 retailers$479 NZD to $1,050 NZD

A
Cheapest Retailer
-
$479 NZD
$270 USD
Final sale: no returns
A
Retailer 2
-
$1,050 NZD
£466 GBP
View
Most Expensive
Rare Carat
840658745 · Oct 19
$2,413 NZD
$1,360 USD
View
Price last confirmed 12 days ago
2 more retailers have this diamond
Prices start from $479 NZDSave up to $571 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
1.09ct Cushion
$479 NZD