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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG837615667

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837615667

Diamond specifications and retailer prices

From €210 EUR
As of November 5, 2026
Save €1,108 EUR (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,319 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 LG837615667 or 837615667. Listed at 20 retailers as of November 5, 2026, with prices from €210 to €1,319, a €1,108 spread on the same certified stone. Brilliant Earth lists it at €1,319. 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 angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615667
Dimensions6.92 × 6.87 × 4.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
6.92 mm6.87 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615667
Side View
Table 60.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
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 5
Current: €1,319 EUR|Low: €208 EUR|High: €1,319 EUR|Avg: €582 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 3€210 EUR
Retailer 4€234 EUR
Retailer 15€244 EUR
Retailer 11€258 EUR
Retailer 12€261 EUR
Retailer 9€358 EUR
Retailer 13€411 EUR
Retailer 19€438 EUR
Retailer 7€450 EUR
Retailer 8€474 EUR
Retailer 2€486 EUR
Retailer 6€638 EUR
Retailer 18€659 EUR
Retailer 14€837 EUR
Retailer 5€884 EUR
Retailer 10€1,042 EUR
Retailer 17€1,069 EUR
Retailer 16€1,165 EUR
Brilliant Earth€1,319 EUR

23 data points across 19 retailers

20 retailers€210 EUR to €1,319 EUR

A
Cheapest Retailer
-
€210 EUR
A
Retailer 2
-
€234 EUR
View
Final sale: no returns
A
Retailer 3
-
€244 EUR
View
Retailer 4
-
€258 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
-
€261 EUR
View
A
Retailer 6
-
€358 EUR
View
A
Retailer 7
-
€411 EUR
View
A
Retailer 8
-
€438 EUR
View
A
Retailer 9
-
€450 EUR
View
A
Retailer 10
-
€474 EUR
View
A
Retailer 11
-
€486 EUR
View
B+
Retailer 12
-
€619 EUR
View
B+
Retailer 13
-
€638 EUR
View
B+
Retailer 14
-
€659 EUR
View
B+
Retailer 15
-
€837 EUR
View
B+
Retailer 16
-
€884 EUR
View
B+
Retailer 17
-
€1,042 EUR
View
B+
Retailer 18
-
€1,069 EUR
View
B+
Retailer 19
-
€1,165 EUR
View
Most Expensive
B
Brilliant Earth
21690652A · Nov 5
€1,319 EUR
$1,480 USD
View
19 more retailers have this diamond
Prices start from €210 EURSave up to €1,108 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
€210 EUR