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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 November 3, 2026
Save €1,073 EUR (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,266 EUR at Brilliant Earth · As of November 2, 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 November 2, 2026, with prices from €193 to €1,266, a €1,073 spread on the same certified stone. Brilliant Earth lists it at €1,266. 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
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

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: Nov 3
Current: €1,266 EUR|Low: €193 EUR|High: €1,641 EUR|Avg: €539 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 3, 2026
Retailer 5€193 EUR
Retailer 9€193 EUR
Retailer 18€226 EUR
Retailer 8€251 EUR
Retailer 10€251 EUR
Retailer 16€357 EUR
Retailer 13€368 EUR
Retailer 15€372 EUR
Retailer 2€388 EUR
Retailer 3€495 EUR
Retailer 12€519 EUR
Retailer 11€553 EUR
Retailer 17€567 EUR
Retailer 7€579 EUR
Retailer 4€733 EUR
Retailer 14€995 EUR
Retailer 6€1,043 EUR
Brilliant Earth€1,266 EUR

38 data points across 18 retailers

21 retailers€193 EUR to €1,266 EUR

A
Cheapest Retailer
-
€193 EUR
$216 USD
Final sale: no returns
Retailer 2
-
€193 EUR
$217 USD
View
Price last confirmed 32 days ago
Retailer 3
-
€234 EUR
$263 USD
View
Price last confirmed 36 days ago
Retailer 4
-
€251 EUR
$281 USD
View
Price last confirmed 26 days ago
Retailer 5
-
€251 EUR
$281 USD
View
Price last confirmed 31 days ago
A
Retailer 6
-
€357 EUR
View
A
Retailer 7
-
€368 EUR
ZAR 6,663 ZAR
View
A
Retailer 8
-
€372 EUR
$417 USD
View
A
Retailer 9
-
€388 EUR
£343 GBP
View
A
Retailer 10
-
€495 EUR
$555 USD
View
A
Retailer 11
-
€519 EUR
A$896 AUD
View
B+
Retailer 12
-
€553 EUR
$620 USD
View
B+
Retailer 13
-
€567 EUR
$636 USD
View
B+
Retailer 14
-
€579 EUR
SGD 877 SGD
View
B+
Retailer 15
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€733 EUR
$822 USD
View
Retailer 16
-
€804 EUR
$902 USD
View
Price last confirmed 33 days ago
Retailer 17
-
€816 EUR
A$1,408 AUD
View
Price last confirmed 140 days ago
B+
Retailer 18
-
€995 EUR
£879 GBP
View
B
Retailer 19
-
€1,043 EUR
$1,170 USD
View
Retailer 20
-
€1,079 EUR
$1,210 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
18991251A · Nov 2
€1,266 EUR
$1,420 USD
View
20 more retailers have this diamond
Prices start from €193 EURSave up to €1,073 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