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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG838654059

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838654059

Diamond specifications and retailer prices

From €284 EUR
As of November 5, 2026
Save €1,890 EUR (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,174 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round 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 LG838654059 or 838654059. Listed at 19 retailers as of November 5, 2026, with prices from €284 to €2,174, a €1,890 spread on the same certified stone. Brilliant Earth lists it at €2,174. 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 angle35.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838654059
Dimensions6.81 × 6.87 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.81 mm6.87 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838654059
Side View
Table 58.0%Crown 35.9°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 61.3%

Caratlytics Score

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A+
Exceptional
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 5
Current: €2,174 EUR|Low: €280 EUR|High: €2,174 EUR|Avg: €845 EUR
Brilliant Earth
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 6, 2026
Retailer 8€284 EUR
Retailer 9€318 EUR
Retailer 5€358 EUR
Retailer 4€481 EUR
Retailer 14€568 EUR
Retailer 15€617 EUR
Retailer 2€620 EUR
Retailer 7€647 EUR
Retailer 3€871 EUR
Retailer 12€880 EUR
Retailer 13€1,123 EUR
Retailer 10€1,145 EUR
Retailer 11€1,407 EUR
Retailer 6€1,416 EUR
Brilliant Earth€2,174 EUR

40 data points across 15 retailers

19 retailers€284 EUR to €2,174 EUR

A+
Cheapest Retailer
-
€284 EUR
Retailer 2
-
€291 EUR
View
Price last confirmed 44 days ago
A
Retailer 3
-
€318 EUR
View
Final sale: no returns
Retailer 4
-
€338 EUR
View
Price last confirmed 45 days ago
Retailer 5
-
€356 EUR
View
Price last confirmed 42 days ago
Retailer 6
-
€358 EUR
View
Price last confirmed 12 days ago
A
Retailer 7
-
€481 EUR
View
A
Retailer 8
-
€568 EUR
View
B+
Retailer 9
-
€617 EUR
View
B+
Retailer 10
-
€620 EUR
View
B+
Retailer 11
-
€647 EUR
View
B+
Retailer 12
-
€871 EUR
View
B+
Retailer 13
-
€880 EUR
View
B+
Retailer 14
-
€1,123 EUR
View
B
Retailer 15
-
€1,145 EUR
View
Retailer 16
-
€1,161 EUR
View
Price last confirmed 42 days ago
B
Retailer 17
-
€1,407 EUR
View
B
Retailer 18
-
€1,416 EUR
View
Most Expensive
B
Brilliant Earth
21659255A · Nov 5
€2,174 EUR
$2,440 USD
View
18 more retailers have this diamond
Prices start from €284 EURSave up to €1,890 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 Round
€284 EUR