Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG846667340

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

Certificate IGI LG846667340

Diamond specifications and retailer prices

From €159 EUR
$178 USD
As of October 30, 2026
Save €845 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,005 EUR at Reve Diamonds · As of October 30, 2026
View at Reve 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 standard cut grade and certified by IGI LG846667340 or 846667340. Listed at 18 retailers as of October 30, 2026, with prices from €159 to €1,005, a €845 spread on the same certified stone. Reve Diamonds lists it at €1,005. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846667340
Dimensions7.71 × 4.98 × 3.46 mm
L/W Ratio1.55
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm4.98 mm1.21 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846667340
Side View
Table 65.0%Crown 39.6°Girdle: MediumPavilion 32.1°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €350 EUR|Low: €159 EUR|High: €1,005 EUR|Avg: €436 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
Reve Diamonds
October 31, 2026
Retailer 13€159 EUR
Retailer 3€178 EUR
Retailer 8€184 EUR
Retailer 5€197 EUR
Retailer 17€197 EUR
Retailer 10€264 EUR
Retailer 2€273 EUR
Retailer 12€339 EUR
Retailer 1€350 EUR
Retailer 11€354 EUR
Retailer 16€410 EUR
Retailer 7€419 EUR
Retailer 14€481 EUR
Retailer 4€634 EUR
Retailer 15€670 EUR
Retailer 9€682 EUR
Retailer 6€923 EUR
Reve Diamonds€1,005 EUR

8 data points across 18 retailers

18 retailers€159 EUR to €1,005 EUR

A
Cheapest Retailer
-
€159 EUR
$178 USD
A
Retailer 2
-
€178 EUR
$199 USD
View
Final sale: no returns
A
Retailer 3
-
€184 EUR
$206 USD
View
Retailer 4
-
€197 EUR
$220 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€197 EUR
$220 USD
View
A
Retailer 6
-
€264 EUR
£232 GBP
View
B+
Retailer 7
-
€273 EUR
$305 USD
View
B+
Retailer 8
-
€339 EUR
ZAR 6,111 ZAR
View
B+
Retailer 9
-
€350 EUR
View
B+
Retailer 10
-
€354 EUR
£312 GBP
View
B+
Retailer 11
-
€410 EUR
$458 USD
View
B+
Retailer 12
-
€419 EUR
$468 USD
View
B+
Retailer 13
-
€481 EUR
A$827 AUD
View
B
Retailer 14
-
€634 EUR
$708 USD
View
B
Retailer 15
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€670 EUR
$748 USD
View
B
Retailer 16
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€682 EUR
$762 USD
View
B
Retailer 17
-
€923 EUR
£812 GBP
View
Most Expensive
B
Reve Diamonds
36A11B55A · Oct 30
€1,005 EUR
$1,122 USD
View
17 more retailers have this diamond
Prices start from €159 EURSave up to €845 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
€159 EUR