Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG749556081

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

Certificate IGI LG749556081

Diamond specifications and retailer prices

From $161 USD
As of October 30, 2026
Save $1,389 USD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,550 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG749556081 or 749556081. Listed at 14 retailers as of October 30, 2026, with prices from $161 to $1,550, a $1,389 spread on the same certified stone. Do Amore Diamonds lists it at $1,550. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749556081
Dimensions7.66 × 5.32 × 3.53 mm
L/W Ratio1.44
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
7.66 mm5.32 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749556081
Side View
Table 68.0%Crown 36°Girdle: Slightly ThickPavilionCulet: NoneDepth 66.4%

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: $1,550 USD|Low: $116 USD|High: $1,610 USD|Avg: $584 USD|+5.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 31, 2026
Retailer 17$161 USD
Retailer 4$180 USD
Retailer 16$187 USD
Retailer 3$235 USD
Retailer 15$277 USD
Retailer 9$331 USD
Retailer 8$345 USD
Retailer 2$373 USD
Retailer 14$450 USD
Retailer 13$554 USD
Retailer 10$700 USD
Retailer 5$709 USD
Retailer 12$720 USD
Retailer 6$742 USD
Retailer 7$1,035 USD
Retailer 11$1,036 USD
Do Amore Diamonds$1,550 USD

28 data points across 17 retailers

14 retailers$161 USD to $1,550 USD

A
Cheapest Retailer
-
$161 USD
A
Retailer 2
-
$180 USD
View
Final sale: no returns
A
Retailer 3
-
$187 USD
View
A
Retailer 4
-
$235 USD
View
B+
Retailer 5
-
$277 USD
View
A
Retailer 6
-
$373 USD
€355 EUR
View
A
Retailer 7
-
$450 USD
View
B+
Retailer 8
-
$554 USD
View
B+
Retailer 9
-
$700 USD
View
B+
Retailer 10
-
$709 USD
View
Retailer 11
-
$720 USD
View
Price last confirmed 13 days ago
B+
Retailer 12
-
$742 USD
View
B
Retailer 13
-
$1,036 USD
£816 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E4B664C79 · Oct 31
$1,550 USD
View
13 more retailers have this diamond
Prices start from $161 USDSave up to $1,389 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
1.21ct Radiant
$161 USD