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Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

EX • D/VVS1 • IGI LG731566581

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

Certificate IGI LG731566581

Diamond specifications and retailer prices

From €179 EUR
As of November 4, 2026
Save €917 EUR (84%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €1,096 EUR at Brilliant Earth · As of November 4, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG731566581 or 731566581. Listed at 29 retailers as of November 4, 2026, with prices from €179 to €1,096, a €917 spread on the same certified stone. Brilliant Earth lists it at €1,096. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731566581
Dimensions5.18 × 5.18 × 3.41 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
5.18 mm5.18 mm1.21 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731566581
Side View
Table 64.0%Crown 43.5°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 65.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €1,096 EUR|Low: €179 EUR|High: €1,230 EUR|Avg: €592 EUR|-10.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12€179 EUR
Retailer 6€200 EUR
Retailer 3€314 EUR
Retailer 9€377 EUR
Retailer 8€382 EUR
Retailer 2€403 EUR
Retailer 7€541 EUR
Retailer 11€715 EUR
Retailer 4€834 EUR
Retailer 10€953 EUR
Retailer 5€1,034 EUR
Brilliant Earth€1,096 EUR

43 data points across 12 retailers

29 retailers€179 EUR to €1,096 EUR

A
Cheapest Retailer
-
€179 EUR
Retailer 2
-
€179 EUR
View
Price last confirmed 29 days ago
Retailer 3
-
€179 EUR
View
Price last confirmed 37 days ago
A
Retailer 4
-
€200 EUR
View
Final sale: no returns
Retailer 5
-
€208 EUR
View
Price last confirmed 40 days ago
Retailer 6
-
€219 EUR
View
Price last confirmed 38 days ago
Retailer 7
-
€222 EUR
View
Price last confirmed 34 days ago
A
Retailer 8
-
€262 EUR
View
B+
Retailer 9
-
€314 EUR
View
A
Retailer 10
-
€377 EUR
View
A
Retailer 11
-
€382 EUR
View
Retailer 12
-
€396 EUR
View
Price last confirmed 22 days ago
A
Retailer 13
-
€403 EUR
View
A
Retailer 14
-
€439 EUR
View
A
Retailer 15
-
€474 EUR
View
B+
Retailer 16
-
€517 EUR
View
B+
Retailer 17
-
€541 EUR
View
B+
Retailer 18
-
€714 EUR
View
Retailer 19
-
€714 EUR
View
Price last confirmed 37 days ago
Retailer 20
-
€714 EUR
View
Price last confirmed 27 days ago
B+
Retailer 21
-
€715 EUR
View
B+
Retailer 22
-
€756 EUR
View
B+
Retailer 23
-
€761 EUR
View
B
Retailer 24
-
€796 EUR
View
Retailer 25
-
€834 EUR
View
Price last confirmed 32 days ago
Retailer 26
-
€953 EUR
View
Price last confirmed 19 days ago
B
Retailer 27
-
€1,034 EUR
View
B
Retailer 28
-
€1,066 EUR
View
Most Expensive
B
Brilliant Earth
15998864A · Nov 4
€1,096 EUR
$1,230 USD
View
28 more retailers have this diamond
Prices start from €179 EURSave up to €917 EUR

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 EUR