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Round|Lab Grown|IGI

1.09ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG700515159

Shape and cutting style on the report: Round brilliant

Certificate IGI LG700515159

Diamond specifications and retailer prices

From $287 USD
As of October 30, 2026
Save $1,123 USD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,410 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG700515159 or 700515159. Listed at 24 retailers as of October 30, 2026, with prices from $287 to $1,410, a $1,123 spread on the same certified stone. Brilliant Earth lists it at $1,410. 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 angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700515159
Dimensions6.56 × 6.58 × 4.07 mm
L/W Ratio1.00
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
6.56 mm6.58 mm1.09 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700515159
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.0%

Caratlytics Score

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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 30
Current: $1,410 USD|Low: $246 USD|High: $2,300 USD|Avg: $737 USD|-38.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 13$257 USD
Retailer 4$318 USD
Retailer 5$318 USD
Retailer 3$428 USD
Retailer 11$430 USD
Retailer 6$515 USD
Retailer 10$547 USD
Retailer 7$606 USD
Retailer 2$610 USD
Retailer 12$978 USD
Retailer 9$1,227 USD
Retailer 8$1,283 USD
Brilliant Earth$1,410 USD

36 data points across 13 retailers

24 retailers$287 USD to $1,410 USD

Retailer 1
-
$257 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$287 USD
View
Final sale: no returns
Retailer 3
-
$298 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$318 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$318 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$318 USD
View
A
Retailer 7
-
$318 USD
View
A
Retailer 8
-
$428 USD
View
A
Retailer 9
-
$430 USD
View
A
Retailer 10
-
$515 USD
£406 GBP
View
A
Retailer 11
-
$546 USD
View
A
Retailer 12
-
$547 USD
ZAR 8,837 ZAR
View
B+
Retailer 13
-
$564 USD
View
B+
Retailer 14
-
$606 USD
£477 GBP
View
B+
Retailer 15
-
$610 USD
A$938 AUD
View
B+
Retailer 16
-
$852 USD
SGD 1,152 SGD
View
B
Retailer 17
-
$978 USD
View
Retailer 18
-
$1,023 USD
View
Price last confirmed 31 days ago
B
Retailer 19
-
$1,075 USD
View
B
Retailer 20
-
$1,227 USD
€1,169 EUR
View
B
Retailer 21
-
$1,234 USD
£972 GBP
View
B
Retailer 22
-
$1,283 USD
£1,010 GBP
View
B
Retailer 23
-
$1,375 USD
View
Most Expensive
B
Brilliant Earth
15235399A · Oct 30
$1,410 USD
View
23 more retailers have this diamond
Prices start from $287 USDSave up to $1,123 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
$287 USD