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Radiant|Lab Grown|IGI

1.20ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG742543994

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

Certificate IGI LG742543994

Diamond specifications and retailer prices

From €208 EUR
As of November 4, 2026
Save €1,430 EUR (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,638 EUR at Rare Carat · As of October 30, 2026
View at Rare Carat

About this 1.2ct lab-grown radiant diamond

This 1.2ct 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 LG742543994 or 742543994. Listed at 22 retailers as of October 30, 2026, with prices from €208 to €1,638, a €1,430 spread on the same certified stone. Rare Carat lists it at €1,638. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742543994
Dimensions7.53 × 5.24 × 3.57 mm
L/W Ratio1.44
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
7.53 mm5.24 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742543994
Side View
Table 64.0%Crown 43.9°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 68.1%

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: €1,638 EUR|Low: €199 EUR|High: €2,157 EUR|Avg: €628 EUR|-1.6%
Rare Carat
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
Retailer 16
November 5, 2026
Retailer 15€208 EUR
Retailer 8€231 EUR
Retailer 5€241 EUR
Retailer 6€257 EUR
Retailer 16€257 EUR
Retailer 12€427 EUR
Retailer 4€436 EUR
Retailer 11€444 EUR
Retailer 7€470 EUR
Retailer 2€480 EUR
Retailer 10€629 EUR
Retailer 3€826 EUR
Retailer 14€829 EUR
Retailer 9€1,026 EUR
Retailer 13€1,562 EUR
Rare Carat€1,638 EUR

45 data points across 16 retailers

22 retailers€208 EUR to €1,638 EUR

A
Cheapest Retailer
-
€208 EUR
A
Retailer 2
-
€231 EUR
View
Final sale: no returns
A
Retailer 3
-
€241 EUR
View
Retailer 4
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€257 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
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€257 EUR
View
A
Retailer 6
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€284 EUR
View
A
Retailer 7
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€427 EUR
View
A
Retailer 8
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€436 EUR
View
A
Retailer 9
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€444 EUR
View
A
Retailer 10
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€470 EUR
View
A
Retailer 11
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€480 EUR
View
A
Retailer 12
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€629 EUR
View
B+
Retailer 13
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€667 EUR
View
B+
Retailer 14
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€826 EUR
View
B+
Retailer 15
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€829 EUR
View
B+
Retailer 16
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€831 EUR
View
B+
Retailer 17
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€872 EUR
View
B+
Retailer 18
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€1,000 EUR
View
B+
Retailer 19
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€1,026 EUR
View
B
Retailer 20
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€1,154 EUR
View
B
Retailer 21
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€1,562 EUR
View
Most Expensive
B
Rare Carat
A2-315A · Oct 21
€1,638 EUR
$1,845 USD
View
21 more retailers have this diamond
Prices start from €208 EURSave up to €1,430 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
1.20ct Radiant
€208 EUR