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Radiant|Lab Grown|IGI

1.09ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768631882

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

Certificate IGI LG768631882

Diamond specifications and retailer prices

From €287 EUR
$322 USD
As of November 1, 2026
Save €1,755 EUR (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,042 EUR at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768631882 or 768631882. Listed at 15 retailers as of November 1, 2026, with prices from €287 to €2,042, a €1,755 spread on the same certified stone. Rare Carat lists it at €2,042. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631882
Dimensions7.34 × 5.18 × 3.39 mm
L/W Ratio1.42
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
7.34 mm5.18 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631882
Side View
Table 65.0%Crown 35.2°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 65.4%

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: Nov 1
Current: €2,042 EUR|Low: €287 EUR|High: €2,577 EUR|Avg: €987 EUR|+9.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 4€287 EUR
Retailer 7€363 EUR
Retailer 10€398 EUR
Retailer 5€444 EUR
Retailer 12€451 EUR
Retailer 3€455 EUR
Retailer 9€744 EUR
Retailer 11€780 EUR
Retailer 2€1,019 EUR
Retailer 6€1,427 EUR
Retailer 8€1,783 EUR
Rare Carat€2,042 EUR

28 data points across 12 retailers

15 retailers€287 EUR to €2,042 EUR

Retailer 1
-
€194 EUR
$218 USD
Price last confirmed 20 days ago
Retailer 2
-
€254 EUR
$285 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
€287 EUR
$322 USD
View
Final sale: no returns
Retailer 4
-
€294 EUR
$330 USD
View
Price last confirmed 36 days ago
A
Retailer 5
-
€363 EUR
$407 USD
View
A
Retailer 6
-
€398 EUR
$446 USD
View
A
Retailer 7
-
€444 EUR
View
A
Retailer 8
-
€451 EUR
$506 USD
View
B+
Retailer 9
-
€744 EUR
$834 USD
View
B+
Retailer 10
-
€780 EUR
$875 USD
View
B+
Retailer 11
-
€1,019 EUR
£900 GBP
View
Retailer 12
-
€1,116 EUR
$1,252 USD
View
Price last confirmed 33 days ago
B
Retailer 13
-
€1,427 EUR
$1,600 USD
View
B
Retailer 14
-
€1,783 EUR
$2,000 USD
View
Most Expensive
B
Rare Carat
611-2B · Nov 1
€2,042 EUR
$2,290 USD
View
14 more retailers have this diamond
Prices start from €287 EURSave up to €1,755 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
€287 EUR