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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 €257 EUR
$287 USD
As of October 30, 2026
Save €1,005 EUR (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,262 EUR 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 €257 to €1,262, a €1,005 spread on the same certified stone. Brilliant Earth lists it at €1,262. 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
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: €1,262 EUR|Low: €220 EUR|High: €2,059 EUR|Avg: €659 EUR|-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€230 EUR
Retailer 4€285 EUR
Retailer 5€285 EUR
Retailer 3€383 EUR
Retailer 11€385 EUR
Retailer 6€461 EUR
Retailer 10€490 EUR
Retailer 7€543 EUR
Retailer 2€546 EUR
Retailer 12€875 EUR
Retailer 9€1,099 EUR
Retailer 8€1,148 EUR
Brilliant Earth€1,262 EUR

36 data points across 13 retailers

24 retailers€257 EUR to €1,262 EUR

Retailer 1
-
€230 EUR
$257 USD
Price last confirmed 20 days ago
A
Retailer 2
-
€257 EUR
$287 USD
View
Final sale: no returns
Retailer 3
-
€267 EUR
$298 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€285 EUR
$318 USD
View
Price last confirmed 28 days ago
Retailer 5
-
€285 EUR
$318 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
€285 EUR
$318 USD
View
A
Retailer 7
-
€285 EUR
$318 USD
View
A
Retailer 8
-
€383 EUR
$428 USD
View
A
Retailer 9
-
€385 EUR
$430 USD
View
A
Retailer 10
-
€461 EUR
£406 GBP
View
A
Retailer 11
-
€489 EUR
$546 USD
View
A
Retailer 12
-
€490 EUR
ZAR 8,837 ZAR
View
B+
Retailer 13
-
€505 EUR
$564 USD
View
B+
Retailer 14
-
€543 EUR
£477 GBP
View
B+
Retailer 15
-
€546 EUR
A$938 AUD
View
B+
Retailer 16
-
€763 EUR
SGD 1,152 SGD
View
B
Retailer 17
-
€875 EUR
$978 USD
View
Retailer 18
-
€916 EUR
$1,023 USD
View
Price last confirmed 31 days ago
B
Retailer 19
-
€962 EUR
$1,075 USD
View
B
Retailer 20
-
€1,099 EUR
View
B
Retailer 21
-
€1,105 EUR
£972 GBP
View
B
Retailer 22
-
€1,148 EUR
£1,010 GBP
View
B
Retailer 23
-
€1,230 EUR
$1,375 USD
View
Most Expensive
B
Brilliant Earth
15235399A · Oct 30
€1,262 EUR
$1,410 USD
View
23 more retailers have this diamond
Prices start from €257 EURSave up to €1,005 EUR

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
€257 EUR