Radiant|Lab Grown|IGI

1.21ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG651411202

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

Certificate IGI LG651411202

Diamond specifications and retailer prices

From €179 EUR
$200 USD
As of October 30, 2026
Save €1,822 EUR (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,001 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG651411202 or 651411202. Listed at 25 retailers as of October 27, 2026, with prices from €179 to €2,001, a €1,822 spread on the same certified stone. Queensmith lists it at €2,001. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651411202
Dimensions7.90 × 5.43 × 3.49 mm
L/W Ratio1.45
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
7.90 mm5.43 mm1.21 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651411202
Side View
Table 62.0%Crown 38.1°Girdle: MediumPavilion 35.5°Culet: NoneDepth 64.3%

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: €457 EUR|Low: €179 EUR|High: €1,719 EUR|Avg: €652 EUR|-5.4%
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Retailer 23
October 31, 2026
Retailer 23€179 EUR
Retailer 10€201 EUR
Retailer 20€209 EUR
Retailer 5€223 EUR
Retailer 11€223 EUR
Retailer 12€260 EUR
Retailer 8€317 EUR
Retailer 14€344 EUR
Retailer 18€422 EUR
Retailer 3€441 EUR
Retailer 1€457 EUR
Retailer 22€541 EUR
Retailer 19€600 EUR
Retailer 4€718 EUR
Retailer 2€789 EUR
Retailer 15€943 EUR
Retailer 9€955 EUR
Retailer 13€978 EUR
Retailer 17€989 EUR
Retailer 7€1,070 EUR
Retailer 21€1,307 EUR
Retailer 16€1,692 EUR
Retailer 6€1,719 EUR

37 data points across 23 retailers

25 retailers€179 EUR to €2,001 EUR

A
Cheapest Retailer
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€179 EUR
$200 USD
A
Retailer 2
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€201 EUR
$224 USD
View
Final sale: no returns
A
Retailer 3
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€209 EUR
$233 USD
View
A
Retailer 4
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€223 EUR
$249 USD
View
A
Retailer 5
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€223 EUR
$249 USD
View
A
Retailer 6
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€260 EUR
£229 GBP
View
B+
Retailer 7
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€317 EUR
$354 USD
View
A
Retailer 8
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€344 EUR
HK$3,000 HKD
View
A
Retailer 9
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€422 EUR
ZAR 7,614 ZAR
View
A
Retailer 10
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€441 EUR
$493 USD
View
A
Retailer 11
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€457 EUR
£402 GBP
View
A
Retailer 12
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€541 EUR
$604 USD
View
A
Retailer 13
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€600 EUR
A$1,032 AUD
View
B+
Retailer 14
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€718 EUR
$802 USD
View
B+
Retailer 15
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€789 EUR
$882 USD
View
B+
Retailer 16
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€943 EUR
$1,054 USD
View
B+
Retailer 17
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€955 EUR
£840 GBP
View
B+
Retailer 18
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€978 EUR
SGD 1,477 SGD
View
B+
Retailer 19
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€989 EUR
£870 GBP
View
B
Retailer 20
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€1,070 EUR
$1,195 USD
View
Retailer 21
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€1,307 EUR
$1,460 USD
View
Price last confirmed 10 days ago
Retailer 22
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€1,316 EUR
$1,470 USD
View
Price last confirmed 17 days ago
B
Retailer 23
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€1,692 EUR
$1,890 USD
View
B
Retailer 24
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€1,719 EUR
$1,920 USD
View
Most Expensive
B
Queensmith
LG651411202 · Oct 27
€2,001 EUR
£1,760 GBP
View
24 more retailers have this diamond
Prices start from €179 EURSave up to €1,822 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