Radiant|Lab Grown|IGI

1.21ct D FL Radiant Lab Grown Diamond

VG • D/FL • IGI LG799676982

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

Certificate IGI LG799676982

Diamond specifications and retailer prices

From €336 EUR
$375 USD
As of October 30, 2026
Save €2,475 EUR (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,811 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG799676982 or 799676982. Listed at 22 retailers as of October 30, 2026, with prices from €336 to €2,811, a €2,475 spread on the same certified stone. Brilliant Earth lists it at €2,811. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676982
Dimensions7.56 × 5.16 × 3.58 mm
L/W Ratio1.47
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
7.56 mm5.16 mm1.21 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676982
Side View
Table 62.0%Crown 44.9°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 69.4%

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: Oct 30
Current: €2,811 EUR|Low: €336 EUR|High: €2,811 EUR|Avg: €969 EUR
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 4€336 EUR
Retailer 8€375 EUR
Retailer 18€388 EUR
Retailer 7€415 EUR
Retailer 21€415 EUR
Retailer 3€458 EUR
Retailer 17€550 EUR
Retailer 6€631 EUR
Retailer 9€664 EUR
Retailer 15€666 EUR
Retailer 16€714 EUR
Retailer 20€727 EUR
Retailer 13€751 EUR
Retailer 19€1,166 EUR
Retailer 12€1,327 EUR
Retailer 5€1,336 EUR
Retailer 14€1,371 EUR
Retailer 11€1,567 EUR
Retailer 10€1,610 EUR
Retailer 2€1,624 EUR
Brilliant Earth€2,811 EUR

41 data points across 21 retailers

22 retailers€336 EUR to €2,811 EUR

A
Cheapest Retailer
-
€336 EUR
$375 USD
A
Retailer 2
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€375 EUR
$419 USD
View
Final sale: no returns
A
Retailer 3
-
€388 EUR
$434 USD
View
Retailer 4
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€415 EUR
$464 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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€415 EUR
$464 USD
View
A
Retailer 6
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€458 EUR
HK$4,000 HKD
View
A
Retailer 7
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€550 EUR
$615 USD
View
A
Retailer 8
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€631 EUR
$705 USD
View
B+
Retailer 9
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€664 EUR
$742 USD
View
B+
Retailer 10
-
€666 EUR
View
B+
Retailer 11
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€714 EUR
ZAR 12,893 ZAR
View
B+
Retailer 12
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€727 EUR
$812 USD
View
B+
Retailer 13
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€751 EUR
£661 GBP
View
B
Retailer 14
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€1,166 EUR
$1,303 USD
View
B
Retailer 15
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€1,327 EUR
SGD 2,004 SGD
View
B
Retailer 16
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€1,336 EUR
$1,493 USD
View
B
Retailer 17
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€1,371 EUR
$1,532 USD
View
B
Retailer 18
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€1,567 EUR
$1,751 USD
View
B
Retailer 19
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€1,610 EUR
£1,416 GBP
View
B
Retailer 20
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€1,624 EUR
£1,429 GBP
View
Retailer 21
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€2,059 EUR
$2,301 USD
View
Price last confirmed 97 days ago
Most Expensive
B
Brilliant Earth
20584060A · Oct 31
€2,811 EUR
$3,140 USD
View
21 more retailers have this diamond
Prices start from €336 EURSave up to €2,475 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
1.21ct Radiant
€336 EUR