Radiant|Lab Grown|IGI

1.20ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG794624960

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

Certificate IGI LG794624960

Diamond specifications and retailer prices

From $226 USD
As of October 27, 2026
Save $2,864 USD (93%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,090 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.2ct lab-grown radiant diamond

This 1.2ct 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 LG794624960 or 794624960. Listed at 12 retailers as of October 27, 2026, with prices from $226 to $3,090, a $2,864 spread on the same certified stone. Brilliant Earth lists it at $3,090. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794624960
Dimensions7.12 × 5.24 × 3.60 mm
L/W Ratio1.36
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
7.12 mm5.24 mm1.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794624960
Side View
Table 65.0%Crown 45.1°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.7%

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: Oct 27
Current: $3,090 USD|Low: $226 USD|High: $3,180 USD|Avg: $1,295 USD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$226 USD
Retailer 12$262 USD
Retailer 2$320 USD
Retailer 8$475 USD
Retailer 7$902 USD
Retailer 4$970 USD
Retailer 9$993 USD
Retailer 11$1,051 USD
Retailer 10$1,240 USD
Retailer 6$2,170 USD
Retailer 3$2,500 USD
Brilliant Earth$3,090 USD

37 data points across 12 retailers

12 retailers$226 USD to $3,090 USD

A
Cheapest Retailer
-
$226 USD
A
Retailer 2
-
$262 USD
View
A
Retailer 3
-
$320 USD
£252 GBP
View
A
Retailer 4
-
$475 USD
View
B+
Retailer 5
-
$902 USD
View
Retailer 6
-
$970 USD
View
Price last confirmed 26 days ago
B+
Retailer 7
-
$993 USD
View
B+
Retailer 8
-
$1,051 USD
View
B+
Retailer 9
-
$1,240 USD
£976 GBP
View
B
Retailer 10
-
$2,170 USD
View
Retailer 11
-
$2,500 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21414554Y · Oct 29
$3,090 USD
View
11 more retailers have this diamond
Prices start from $226 USDSave up to $2,864 USD

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
1.20ct Radiant
$226 USD