Radiant|Lab Grown|IGI

1.21ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG763641994

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

Certificate IGI LG763641994

Diamond specifications and retailer prices

From $483 SGD
$378 USD
As of November 1, 2026
Save $2,305 SGD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,993 SGD 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 LG763641994 or 763641994. Listed at 13 retailers as of November 1, 2026, with a 477% 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

1.21
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763641994
Dimensions7.33 × 5.47 × 3.58 mm
L/W Ratio1.34
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
7.33 mm5.47 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763641994
Side View
Table 64.0%Crown 40.5°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 65.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,993 SGD|Low: $483 SGD|High: $4,105 SGD|Avg: $1,832 SGD|+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
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 15$483 SGD
Retailer 12$613 SGD
Retailer 9$668 SGD
Retailer 3$1,046 SGD
Retailer 11$1,163 SGD
Retailer 14$1,253 SGD
Retailer 5$1,340 SGD
Retailer 6$1,341 SGD
Retailer 13$1,352 SGD
Retailer 8$1,603 SGD
Retailer 2$2,430 SGD
Retailer 7$2,719 SGD
Retailer 10$2,788 SGD
Rare Carat$2,993 SGD
Retailer 4$3,320 SGD

26 data points across 15 retailers

13 retailers$483 SGD to $2,788 SGD

Retailer 1
-
$386 SGD
$302 USD
Price last confirmed 28 days ago
Retailer 2
-
$467 SGD
$365 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
$483 SGD
$378 USD
View
Final sale: no returns
A
Retailer 4
-
$613 SGD
$479 USD
View
A
Retailer 5
-
$668 SGD
$522 USD
View
B+
Retailer 6
-
$1,163 SGD
$909 USD
View
Retailer 7
-
$1,252 SGD
$979 USD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$1,352 SGD
$1,057 USD
View
B+
Retailer 9
-
$1,603 SGD
£987 GBP
View
Retailer 10
-
$1,773 SGD
$1,386 USD
View
Price last confirmed 29 days ago
B
Retailer 11
-
$2,430 SGD
$1,900 USD
View
B
Retailer 12
-
$2,788 SGD
$2,180 USD
View
Most Expensive
Rare Carat
VL-128528 · Oct 18
$2,993 SGD
$2,340 USD
View
Price last confirmed 15 days ago
12 more retailers have this diamond
Prices start from $483 SGDSave up to $2,305 SGD

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
$483 SGD