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Radiant|Lab Grown|IGI

1.09ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG789604613

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG789604613

Diamond specifications and retailer prices

From €193 EUR
$216 USD
As of October 30, 2026
Save €1,078 EUR (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,271 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant 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 LG789604613 or 789604613. Listed at 21 retailers as of October 30, 2026, with prices from €193 to €1,271, a €1,078 spread on the same certified stone. Brilliant Earth lists it at €1,271. 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 angle44°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789604613
Dimensions7.28 × 5.03 × 3.43 mm
L/W Ratio1.45
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
7.28 mm5.03 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789604613
Side View
Table 65.0%Crown 44°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 68.2%

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: €1,271 EUR|Low: €193 EUR|High: €1,647 EUR|Avg: €543 EUR|-22.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 5€193 EUR
Retailer 9€194 EUR
Retailer 18€227 EUR
Retailer 8€252 EUR
Retailer 10€252 EUR
Retailer 13€358 EUR
Retailer 15€367 EUR
Retailer 11€373 EUR
Retailer 12€390 EUR
Retailer 3€497 EUR
Retailer 14€514 EUR
Retailer 16€522 EUR
Retailer 17€569 EUR
Retailer 7€581 EUR
Retailer 4€735 EUR
Retailer 2€999 EUR
Retailer 6€1,047 EUR
Brilliant Earth€1,271 EUR

38 data points across 18 retailers

21 retailers€193 EUR to €1,271 EUR

A
Cheapest Retailer
-
€193 EUR
$216 USD
Final sale: no returns
Retailer 2
-
€194 EUR
$217 USD
View
Price last confirmed 30 days ago
Retailer 3
-
€227 EUR
£200 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
€235 EUR
$263 USD
View
Price last confirmed 35 days ago
Retailer 5
-
€252 EUR
$281 USD
View
Price last confirmed 24 days ago
Retailer 6
-
€252 EUR
$281 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
€358 EUR
View
A
Retailer 8
-
€367 EUR
ZAR 6,627 ZAR
View
A
Retailer 9
-
€373 EUR
$417 USD
View
A
Retailer 10
-
€390 EUR
£343 GBP
View
A
Retailer 11
-
€497 EUR
$555 USD
View
A
Retailer 12
-
€514 EUR
$574 USD
View
A
Retailer 13
-
€522 EUR
A$897 AUD
View
B+
Retailer 14
-
€569 EUR
$636 USD
View
A
Retailer 15
-
€581 EUR
SGD 877 SGD
View
B+
Retailer 16
-
€735 EUR
$822 USD
View
Retailer 17
-
€807 EUR
$902 USD
View
Price last confirmed 32 days ago
Retailer 18
-
€819 EUR
A$1,408 AUD
View
Price last confirmed 138 days ago
B+
Retailer 19
-
€999 EUR
£879 GBP
View
B
Retailer 20
-
€1,047 EUR
$1,170 USD
View
Most Expensive
B
Brilliant Earth
18991251A · Oct 31
€1,271 EUR
$1,420 USD
View
20 more retailers have this diamond
Prices start from €193 EURSave up to €1,078 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 Radiant
€193 EUR