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Radiant|Lab Grown|IGI

1.21ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG786646403

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

Certificate IGI LG786646403

Diamond specifications and retailer prices

From €1,701 EUR
$1,900 USD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: €2,095 EUR at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.21ct lab-grown radiant diamond

This 1.21ct 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 LG786646403 or 786646403. Listed at 3 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786646403
Dimensions7.86 × 5.20 × 3.51 mm
L/W Ratio1.51
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
7.86 mm5.20 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786646403
Side View
Table 65.0%Crown 40.3°Girdle: MediumPavilion 36.1°Culet: NoneDepth 67.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €2,095 EUR|Low: €387 EUR|High: €2,873 EUR|Avg: €1,383 EUR|+6.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12€387 EUR
Retailer 5€862 EUR
Retailer 6€936 EUR
Retailer 11€962 EUR
Retailer 4€967 EUR
Retailer 10€988 EUR
Retailer 7€1,309 EUR
Retailer 2€1,701 EUR
Retailer 9€1,719 EUR
Retailer 3€1,761 EUR
Retailer 8€1,914 EUR
Rare Carat€2,095 EUR

7 data points across 12 retailers

3 retailers

Retailer 1
-
€862 EUR
$963 USD
Price last confirmed 27 days ago
B
Retailer 2
-
€1,701 EUR
$1,900 USD
View
Most Expensive
Rare Carat
HL-181675 · Oct 18
€2,095 EUR
$2,340 USD
View
Price last confirmed 14 days ago
2 more retailers have this diamond
Prices start from €1,701 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.

B
1.21ct Radiant
€1,701 EUR