Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG744522303

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

Certificate IGI LG744522303

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 very-good cut grade and certified by IGI LG744522303 or 744522303. 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. 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle45.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744522303
Dimensions7.30 × 5.17 × 3.68 mm
L/W Ratio1.41
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
7.30 mm5.17 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG744522303
Side View
Table 63.0%Crown 45.9°Girdle: MED-STKPavilion 36°Culet: NoneDepth 71.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,550 USD|Low: $161 USD|High: $1,610 USD|Avg: $597 USD|+7.6%
Do Amore Diamonds
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
November 1, 2026
Retailer 15$161 USD
Retailer 4$180 USD
Retailer 14$187 USD
Retailer 3$235 USD
Retailer 13$277 USD
Retailer 7$345 USD
Retailer 8$373 USD
Retailer 12$450 USD
Retailer 10$554 USD
Retailer 9$690 USD
Retailer 11$690 USD
Retailer 5$709 USD
Retailer 6$742 USD
Retailer 2$1,031 USD
Do Amore Diamonds$1,550 USD

28 data points across 15 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
B+
Retailer 7
-
$450 USD
View
B+
Retailer 8
-
$554 USD
View
Retailer 9
-
$690 USD
View
Price last confirmed 13 days ago
B
Retailer 10
-
$690 USD
View
B+
Retailer 11
-
$709 USD
View
B+
Retailer 12
-
$742 USD
View
B
Retailer 13
-
$1,031 USD
£812 GBP
View
Most Expensive
B
Do Amore Diamonds
27-256C52750 · 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