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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG825658773

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

Certificate IGI LG825658773

Diamond specifications and retailer prices

From €174 EUR
$194 USD
As of October 30, 2026
Save €878 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,052 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 LG825658773 or 825658773. Listed at 19 retailers as of October 30, 2026, with prices from €174 to €1,052, a €878 spread on the same certified stone. Reve Diamonds lists it at €1,052. 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 angle42.3°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825658773
Dimensions7.78 × 5.46 × 3.42 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.46 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825658773
Side View
Table 72.0%Crown 42.3°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €372 EUR|Low: €138 EUR|High: €1,052 EUR|Avg: €543 EUR|+2.9%
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 15€174 EUR
Retailer 5€194 EUR
Retailer 2€216 EUR
Retailer 1€372 EUR
Retailer 3€375 EUR
Retailer 8€393 EUR
Retailer 10€396 EUR
Retailer 6€414 EUR
Retailer 12€526 EUR
Retailer 14€553 EUR
Retailer 9€636 EUR
Retailer 13€649 EUR
Retailer 7€741 EUR
Retailer 4€772 EUR
Retailer 11€1,014 EUR
Reve Diamonds€1,052 EUR

45 data points across 16 retailers

19 retailers€174 EUR to €1,052 EUR

A
Cheapest Retailer
-
€174 EUR
$194 USD
A
Retailer 2
-
€194 EUR
$217 USD
View
Final sale: no returns
A
Retailer 3
-
€201 EUR
$225 USD
View
Retailer 4
-
€216 EUR
$241 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€216 EUR
$241 USD
View
A
Retailer 6
-
€372 EUR
ZAR 6,718 ZAR
View
A
Retailer 7
-
€375 EUR
$419 USD
View
A
Retailer 8
-
€393 EUR
£346 GBP
View
A
Retailer 9
-
€396 EUR
View
A
Retailer 10
-
€414 EUR
$463 USD
View
B+
Retailer 11
-
€526 EUR
A$904 AUD
View
B+
Retailer 12
-
€553 EUR
$618 USD
View
B+
Retailer 13
-
€636 EUR
$710 USD
View
Retailer 14
-
€649 EUR
$725 USD
View
Price last confirmed 13 days ago
B
Retailer 15
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€693 EUR
$774 USD
View
B
Retailer 16
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€741 EUR
$828 USD
View
B
Retailer 17
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€788 EUR
$880 USD
View
B
Retailer 18
-
€1,014 EUR
£892 GBP
View
Most Expensive
B
Reve Diamonds
3F34DD91A · Nov 1
€1,052 EUR
$1,175 USD
View
18 more retailers have this diamond
Prices start from €174 EURSave up to €878 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
€174 EUR