Radiant|Lab Grown|IGI

1.21ct D VS2 Radiant Lab Grown Diamond

VG • D/VS2 • IGI LG708585435

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

Certificate IGI LG708585435

Diamond specifications and retailer prices

From $179 USD
As of November 4, 2026
Save $859 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,038 USD at MOH London · As of November 2, 2026
View at MOH London

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 VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG708585435 or 708585435. Listed at 16 retailers as of November 2, 2026, with prices from $179 to $1,038, a $859 spread on the same certified stone. MOH London lists it at $1,038. 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
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG708585435
Dimensions5.28 × 5.28 × 3.60 mm
L/W Ratio1.00
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
5.28 mm5.28 mm1.21 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG708585435
Side View
Table 64.0%Crown 44°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,038 USD|Low: $110 USD|High: $1,110 USD|Avg: $497 USD|-1.1%
MOH London
Retailer 2
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Retailer 11
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Retailer 19
November 4, 2026
Retailer 9$110 USD
Retailer 16$179 USD
Retailer 5$200 USD
Retailer 3$208 USD
Retailer 4$222 USD
Retailer 18$222 USD
Retailer 10$243 USD
Retailer 17$300 USD
Retailer 12$395 USD
Retailer 14$409 USD
Retailer 6$445 USD
Retailer 15$541 USD
Retailer 2$560 USD
Retailer 19$714 USD
Retailer 8$723 USD
Retailer 7$767 USD
Retailer 13$850 USD
MOH London$1,038 USD
Retailer 11$1,110 USD

44 data points across 19 retailers

16 retailers$179 USD to $1,038 USD

A
Cheapest Retailer
-
$179 USD
A
Retailer 2
-
$200 USD
View
Final sale: no returns
A
Retailer 3
-
$208 USD
View
Retailer 4
-
$222 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$222 USD
View
B+
Retailer 6
-
$300 USD
View
A
Retailer 7
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$395 USD
View
B+
Retailer 8
-
$409 USD
View
B+
Retailer 9
-
$445 USD
View
B+
Retailer 10
-
$541 USD
View
B+
Retailer 11
-
$560 USD
View
B+
Retailer 12
-
$714 USD
View
Retailer 13
-
$734 USD
View
Price last confirmed 88 days ago
B
Retailer 14
-
$767 USD
View
B
Retailer 15
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$850 USD
View
Most Expensive
B
MOH London
LG708585435 · Nov 2
$1,038 USD
£817 GBP
View
15 more retailers have this diamond
Prices start from $179 USDSave up to $859 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
$179 USD