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Round|Lab Grown|IGI

1.20ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG842612341

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842612341

Diamond specifications and retailer prices

From €249 EUR
As of November 4, 2026
Save €1,069 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,319 EUR at Brilliant Earth · As of November 3, 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 LG842612341 or 842612341. Listed at 14 retailers as of November 3, 2026, with prices from €249 to €1,319, a €1,069 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 angle33.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842612341
Dimensions6.77 × 6.81 × 4.23 mm
L/W Ratio1.01
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
6.77 mm6.81 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842612341
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €1,319 EUR|Low: €249 EUR|High: €1,515 EUR|Avg: €674 EUR|-12.9%
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 6, 2026
Retailer 3€249 EUR
Retailer 6€307 EUR
Retailer 13€419 EUR
Retailer 7€437 EUR
Retailer 9€458 EUR
Retailer 8€465 EUR
Retailer 12€478 EUR
Retailer 2€520 EUR
Retailer 10€678 EUR
Retailer 14€852 EUR
Retailer 4€895 EUR
Retailer 11€1,111 EUR
Retailer 5€1,203 EUR
Brilliant Earth€1,319 EUR

25 data points across 14 retailers

14 retailers€249 EUR to €1,319 EUR

A+
Cheapest Retailer
-
€249 EUR
Final sale: no returns
A
Retailer 2
-
€307 EUR
View
A
Retailer 3
-
€419 EUR
View
A
Retailer 4
-
€437 EUR
View
A
Retailer 5
-
€458 EUR
View
A
Retailer 6
-
€465 EUR
View
A
Retailer 7
-
€478 EUR
View
A
Retailer 8
-
€520 EUR
View
B+
Retailer 9
-
€678 EUR
View
B+
Retailer 10
-
€852 EUR
View
B+
Retailer 11
-
€895 EUR
View
B+
Retailer 12
-
€1,111 EUR
View
B
Retailer 13
-
€1,203 EUR
View
Most Expensive
B
Brilliant Earth
21813127A · Nov 3
€1,319 EUR
$1,480 USD
View
13 more retailers have this diamond
Prices start from €249 EURSave up to €1,069 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
€249 EUR