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Radiant|Lab Grown|IGI

1.21ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG660492735

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

Certificate IGI LG660492735

Diamond specifications and retailer prices

From €188 EUR
As of November 4, 2026
Save €1,614 EUR (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €1,802 EUR at Do Amore Diamonds · As of November 4, 2026
View at Do Amore 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG660492735 or 660492735. Listed at 26 retailers as of November 4, 2026, with prices from €188 to €1,802, a €1,614 spread on the same certified stone. Do Amore Diamonds lists it at €1,802. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660492735
Dimensions7.69 × 5.26 × 3.42 mm
L/W Ratio1.46
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
7.69 mm5.26 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660492735
Side View
Table 64.0%Crown 43.4°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 65.0%

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: Nov 4
Current: €480 EUR|Low: €188 EUR|High: €2,059 EUR|Avg: €735 EUR|+3.6%
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
November 5, 2026
Retailer 2€188 EUR
Retailer 15€217 EUR
Retailer 4€364 EUR
Retailer 11€431 EUR
Retailer 10€444 EUR
Retailer 6€448 EUR
Retailer 1€480 EUR
Retailer 7€526 EUR
Retailer 9€629 EUR
Retailer 14€752 EUR
Retailer 8€1,028 EUR
Retailer 5€1,053 EUR
Retailer 3€1,060 EUR
Retailer 12€1,562 EUR
Retailer 13€1,638 EUR

45 data points across 15 retailers

26 retailers€188 EUR to €1,802 EUR

A
Cheapest Retailer
-
€188 EUR
A
Retailer 2
-
€217 EUR
View
Final sale: no returns
Retailer 3
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€218 EUR
View
Price last confirmed 39 days ago
Retailer 4
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€230 EUR
View
Price last confirmed 37 days ago
Retailer 5
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€233 EUR
View
Price last confirmed 33 days ago
A
Retailer 6
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€363 EUR
View
A
Retailer 7
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€364 EUR
View
A
Retailer 8
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€431 EUR
View
A
Retailer 9
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€444 EUR
View
A
Retailer 10
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€448 EUR
View
A
Retailer 11
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€480 EUR
View
A
Retailer 12
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€526 EUR
View
A
Retailer 13
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€562 EUR
View
A
Retailer 14
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€629 EUR
View
B+
Retailer 15
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€752 EUR
View
B+
Retailer 16
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€826 EUR
View
Retailer 17
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€826 EUR
View
Price last confirmed 26 days ago
Retailer 18
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€826 EUR
View
Price last confirmed 36 days ago
B+
Retailer 19
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€978 EUR
View
B+
Retailer 20
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€1,028 EUR
View
B+
Retailer 21
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€1,053 EUR
View
Retailer 22
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€1,060 EUR
View
Price last confirmed 28 days ago
B
Retailer 23
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€1,092 EUR
View
B
Retailer 24
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€1,562 EUR
View
Retailer 25
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€1,638 EUR
View
Price last confirmed 18 days ago
Most Expensive
B
Do Amore Diamonds
27-80DE62B69 · Nov 4
€1,802 EUR
$2,030 USD
View
25 more retailers have this diamond
Prices start from €188 EURSave up to €1,614 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
€188 EUR