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Cushion|Lab Grown|IGI

1.09ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG802610151

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG802610151

Diamond specifications and retailer prices

From $496 USD
As of October 30, 2026
Save $1,531 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,179 USD at Flawless Fine Jewelry · As of October 8, 2026
View at Flawless Fine Jewelry

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 LG802610151 or 802610151. Listed at 11 retailers as of October 29, 2026, with a 309% 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802610151
Dimensions8.08 × 5.14 × 2.94 mm
L/W Ratio1.57
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.08 mm5.14 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802610151
Side View
Table 59.0%Crown 37.5°Girdle: MED-STKPavilion 37.9°Culet: LargeDepth 57.2%

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: $2,179 USD|Low: $496 USD|High: $3,743 USD|Avg: $1,605 USD|-13.9%
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$496 USD
Retailer 10$549 USD
Retailer 6$830 USD
Retailer 11$845 USD
Retailer 7$862 USD
Retailer 2$907 USD
Retailer 4$1,338 USD
Retailer 8$1,797 USD
Retailer 9$1,968 USD
Retailer 5$2,027 USD
Flawless Fine Jewelry$2,179 USD

43 data points across 11 retailers

11 retailers$496 USD to $2,027 USD

A
Cheapest Retailer
-
$496 USD
Final sale: no returns
Retailer 2
-
$549 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$830 USD
View
A
Retailer 4
-
$845 USD
View
A
Retailer 5
-
$862 USD
View
B+
Retailer 6
-
$907 USD
£714 GBP
View
B+
Retailer 7
-
$1,338 USD
A$2,058 AUD
View
B
Retailer 8
-
$1,797 USD
View
B
Retailer 9
-
$1,968 USD
View
B
Retailer 10
-
$2,027 USD
£1,596 GBP
View
Most Expensive
Flawless Fine Jewelry
2EB9FEDC1 · Oct 8
$2,179 USD
£1,716 GBP
View
Price last confirmed 21 days ago
10 more retailers have this diamond
Prices start from $496 USDSave up to $1,531 USD

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
$496 USD