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 $524 CAD
$375 USD
As of October 30, 2026
Save $3,862 CAD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,386 CAD 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 $524 to $4,386, a $3,862 spread on the same certified stone. Brilliant Earth lists it at $4,386. 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

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 30
Current: $4,386 CAD|Low: $524 CAD|High: $4,386 CAD|Avg: $1,512 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
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Retailer 14
Retailer 15
Retailer 16
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Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 4$524 CAD
Retailer 8$585 CAD
Retailer 18$606 CAD
Retailer 7$648 CAD
Retailer 21$648 CAD
Retailer 3$715 CAD
Retailer 17$859 CAD
Retailer 6$985 CAD
Retailer 9$1,036 CAD
Retailer 15$1,040 CAD
Retailer 16$1,115 CAD
Retailer 20$1,134 CAD
Retailer 2$1,173 CAD
Retailer 19$1,820 CAD
Retailer 12$2,072 CAD
Retailer 5$2,086 CAD
Retailer 14$2,140 CAD
Retailer 11$2,445 CAD
Retailer 10$2,512 CAD
Retailer 13$2,535 CAD
Brilliant Earth$4,386 CAD

41 data points across 21 retailers

22 retailers$524 CAD to $4,386 CAD

A
Cheapest Retailer
-
$524 CAD
$375 USD
A
Retailer 2
-
$585 CAD
$419 USD
View
Final sale: no returns
A
Retailer 3
-
$606 CAD
$434 USD
View
Retailer 4
-
$648 CAD
$464 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$648 CAD
$464 USD
View
A
Retailer 6
-
$715 CAD
HK$4,000 HKD
View
A
Retailer 7
-
$859 CAD
$615 USD
View
A
Retailer 8
-
$985 CAD
$705 USD
View
B+
Retailer 9
-
$1,036 CAD
$742 USD
View
B+
Retailer 10
-
$1,040 CAD
€709 EUR
View
B+
Retailer 11
-
$1,115 CAD
ZAR 12,893 ZAR
View
B+
Retailer 12
-
$1,134 CAD
$812 USD
View
B+
Retailer 13
-
$1,173 CAD
£661 GBP
View
B
Retailer 14
-
$1,820 CAD
$1,303 USD
View
B
Retailer 15
-
$2,072 CAD
SGD 2,004 SGD
View
B
Retailer 16
-
$2,086 CAD
$1,493 USD
View
B
Retailer 17
-
$2,140 CAD
$1,532 USD
View
B
Retailer 18
-
$2,445 CAD
$1,751 USD
View
B
Retailer 19
-
$2,512 CAD
£1,416 GBP
View
B
Retailer 20
-
$2,535 CAD
£1,429 GBP
View
Retailer 21
-
$3,214 CAD
$2,301 USD
View
Price last confirmed 97 days ago
Most Expensive
B
Brilliant Earth
20584060A · Oct 31
$4,386 CAD
$3,140 USD
View
21 more retailers have this diamond
Prices start from $524 CADSave up to $3,862 CAD

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
$524 CAD