Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG787630559

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

Certificate IGI LG787630559

Diamond specifications and retailer prices

From €164 EUR
$183 USD
As of October 30, 2026
Save €857 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,021 EUR at Reve Diamonds · As of November 1, 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 top-tier cut grade and certified by IGI LG787630559 or 787630559. Listed at 17 retailers as of October 30, 2026, with prices from €164 to €1,021, a €857 spread on the same certified stone. Reve Diamonds lists it at €1,021. 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 angle21.1°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787630559
Dimensions7.43 × 5.20 × 3.50 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm5.20 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787630559
Side View
Table 65.0%Crown 21.1°Girdle: MediumPavilion 32.3°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €351 EUR|Low: €158 EUR|High: €1,021 EUR|Avg: €461 EUR|+3.0%
Retailer 1
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
Reve Diamonds
November 1, 2026
Retailer 13€164 EUR
Retailer 7€183 EUR
Retailer 3€191 EUR
Retailer 4€203 EUR
Retailer 14€203 EUR
Retailer 10€336 EUR
Retailer 1€351 EUR
Retailer 2€360 EUR
Retailer 9€368 EUR
Retailer 5€491 EUR
Retailer 11€497 EUR
Retailer 15€654 EUR
Retailer 12€691 EUR
Retailer 6€703 EUR
Retailer 8€953 EUR
Reve Diamonds€1,021 EUR

45 data points across 16 retailers

17 retailers€164 EUR to €1,021 EUR

A
Cheapest Retailer
-
€164 EUR
$183 USD
A
Retailer 2
-
€183 EUR
$204 USD
View
Final sale: no returns
A
Retailer 3
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€191 EUR
$213 USD
View
Retailer 4
-
€203 EUR
$227 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€203 EUR
$227 USD
View
A
Retailer 6
-
€336 EUR
View
A
Retailer 7
-
€351 EUR
ZAR 6,344 ZAR
View
A
Retailer 8
-
€360 EUR
$402 USD
View
A
Retailer 9
-
€368 EUR
£324 GBP
View
A
Retailer 10
-
€412 EUR
$460 USD
View
B+
Retailer 11
-
€491 EUR
$549 USD
View
B+
Retailer 12
-
€497 EUR
A$854 AUD
View
B+
Retailer 13
-
€654 EUR
$731 USD
View
B+
Retailer 14
-
€691 EUR
$772 USD
View
B
Retailer 15
-
€703 EUR
$785 USD
View
B
Retailer 16
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€953 EUR
£838 GBP
View
Most Expensive
B
Reve Diamonds
6114E3983 · Nov 1
€1,021 EUR
$1,141 USD
View
16 more retailers have this diamond
Prices start from €164 EURSave up to €857 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
€164 EUR