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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG839608224

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839608224

Diamond specifications and retailer prices

From €218 EUR
As of November 1, 2026
Save €1,261 EUR (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,479 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 LG839608224 or 839608224. Listed at 15 retailers as of November 1, 2026, with prices from €218 to €1,479, a €1,261 spread on the same certified stone. Brilliant Earth lists it at €1,479. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839608224
Dimensions6.83 × 6.80 × 4.13 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.83 mm6.80 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839608224
Side View
Table 58.0%Crown 33.2°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 60.6%

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: Nov 1
Current: €1,479 EUR|Low: €210 EUR|High: €1,630 EUR|Avg: €679 EUR|-9.3%
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
November 5, 2026
Retailer 3€218 EUR
Retailer 7€236 EUR
Retailer 5€271 EUR
Retailer 2€412 EUR
Retailer 13€468 EUR
Retailer 8€487 EUR
Retailer 14€488 EUR
Retailer 6€622 EUR
Retailer 11€664 EUR
Retailer 12€690 EUR
Retailer 10€886 EUR
Retailer 9€1,044 EUR
Retailer 4€1,192 EUR
Brilliant Earth€1,479 EUR

34 data points across 14 retailers

15 retailers€218 EUR to €1,479 EUR

A
Cheapest Retailer
-
€218 EUR
A
Retailer 2
-
€236 EUR
View
Final sale: no returns
Retailer 3
-
€271 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€365 EUR
View
A
Retailer 5
-
€412 EUR
View
A
Retailer 6
-
€468 EUR
View
A
Retailer 7
-
€487 EUR
View
Retailer 8
-
€488 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€622 EUR
View
B+
Retailer 10
-
€664 EUR
View
B+
Retailer 11
-
€690 EUR
View
B+
Retailer 12
-
€886 EUR
View
B+
Retailer 13
-
€1,044 EUR
View
B
Retailer 14
-
€1,192 EUR
View
Most Expensive
B
Brilliant Earth
21662127A · Nov 5
€1,479 EUR
$1,660 USD
View
14 more retailers have this diamond
Prices start from €218 EURSave up to €1,261 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
€218 EUR