Radiant|Lab Grown|IGI

1.22ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816614854

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

Certificate IGI LG816614854

Diamond specifications and retailer prices

From $311 USD
As of November 1, 2026
Save $1,779 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,270 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.22ct lab-grown radiant diamond

This 1.22ct 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 LG816614854 or 816614854. Listed at 19 retailers as of October 31, 2026, with a 572% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816614854
Dimensions7.29 × 5.33 × 3.65 mm
L/W Ratio1.37
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
7.29 mm5.33 mm1.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816614854
Side View
Table 62.0%Crown 41.3°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.5%

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: $2,090 USD|Low: $295 USD|High: $3,270 USD|Avg: $1,175 USD|-36.1%
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
November 2, 2026
Retailer 9$311 USD
Retailer 8$451 USD
Retailer 3$485 USD
Retailer 14$546 USD
Retailer 2$565 USD
Retailer 12$614 USD
Retailer 11$628 USD
Retailer 16$785 USD
Retailer 13$1,007 USD
Retailer 15$1,105 USD
Retailer 6$1,209 USD
Retailer 10$1,314 USD
Retailer 5$1,351 USD
Retailer 7$1,753 USD
Brilliant Earth$2,090 USD
Retailer 4$2,370 USD

29 data points across 16 retailers

19 retailers$311 USD to $2,090 USD

A
Cheapest Retailer
-
$311 USD
Final sale: no returns
Retailer 2
-
$349 USD
View
Price last confirmed 30 days ago
Retailer 3
-
$422 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$451 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$485 USD
View
A
Retailer 6
-
$546 USD
View
A
Retailer 7
-
$565 USD
ZAR 9,132 ZAR
View
A
Retailer 8
-
$614 USD
€585 EUR
View
A
Retailer 9
-
$628 USD
£494 GBP
View
B+
Retailer 10
-
$785 USD
View
B+
Retailer 11
-
$1,007 USD
View
B+
Retailer 12
-
$1,105 USD
View
B+
Retailer 13
-
$1,209 USD
SGD 1,634 SGD
View
B+
Retailer 14
-
$1,314 USD
£1,035 GBP
View
B
Retailer 15
-
$1,351 USD
View
Retailer 16
-
$1,450 USD
View
Price last confirmed 32 days ago
B
Retailer 17
-
$2,090 USD
View
Retailer 18
-
$2,370 USD
View
Price last confirmed 14 days ago
Most Expensive
Brilliant Earth
21006438A · Sep 28
$3,270 USD
View
Price last confirmed 34 days ago
18 more retailers have this diamond
Prices start from $311 USDSave up to $1,779 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
1.22ct Radiant
$311 USD