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Round|Lab Grown|IGI

1.09ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG794620271

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794620271

Diamond specifications and retailer prices

From $492 USD
€469 EUR
As of October 29, 2026
Save $583 USD (54%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,209 USD at MOH London · As of October 18, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794620271 or 794620271. Listed at 5 retailers as of October 25, 2026, with a 118% 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794620271
Dimensions6.57 × 6.52 × 4.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.57 mm6.52 mm1.09 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794620271
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,209 USD|Low: $489 USD|High: $2,610 USD|Avg: $1,057 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3$492 USD
Retailer 2$567 USD
Retailer 6$588 USD
Retailer 4$1,075 USD
MOH London$1,209 USD
Retailer 5$2,400 USD

40 data points across 6 retailers

5 retailers$492 USD to $1,075 USD

A
Cheapest Retailer
-
$492 USD
€469 EUR
A
Retailer 2
-
$567 USD
£447 GBP
View
B+
Retailer 3
-
$588 USD
View
B
Retailer 4
-
$1,075 USD
View
Most Expensive
MOH London
LG794620271 · Oct 18
$1,209 USD
£952 GBP
View
Price last confirmed 12 days ago
4 more retailers have this diamond
Prices start from $492 USDSave up to $583 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 Round
$492 USD