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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 €251 EUR
$280 USD
As of October 30, 2026
Save €1,074 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,325 EUR at Brilliant Earth · As of October 30, 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 October 30, 2026, with prices from €251 to €1,325, a €1,074 spread on the same certified stone. Brilliant Earth lists it at €1,325. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,325 EUR|Low: €251 EUR|High: €1,522 EUR|Avg: €679 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
October 31, 2026
Retailer 12€251 EUR
Retailer 6€309 EUR
Retailer 13€376 EUR
Retailer 2€421 EUR
Retailer 9€443 EUR
Retailer 10€461 EUR
Retailer 14€478 EUR
Retailer 7€529 EUR
Retailer 4€678 EUR
Retailer 8€856 EUR
Retailer 3€900 EUR
Retailer 11€1,122 EUR
Retailer 5€1,208 EUR
Brilliant Earth€1,325 EUR

19 data points across 14 retailers

14 retailers€251 EUR to €1,325 EUR

A+
Cheapest Retailer
-
€251 EUR
$280 USD
Final sale: no returns
A
Retailer 2
-
€309 EUR
HK$2,700 HKD
View
A
Retailer 3
-
€376 EUR
$420 USD
View
A
Retailer 4
-
€421 EUR
$470 USD
View
A
Retailer 5
-
€443 EUR
£390 GBP
View
A
Retailer 6
-
€461 EUR
View
A
Retailer 7
-
€478 EUR
ZAR 8,633 ZAR
View
A
Retailer 8
-
€529 EUR
£465 GBP
View
B+
Retailer 9
-
€678 EUR
A$1,165 AUD
View
B+
Retailer 10
-
€856 EUR
$956 USD
View
B+
Retailer 11
-
€900 EUR
SGD 1,359 SGD
View
B+
Retailer 12
-
€1,122 EUR
£987 GBP
View
Retailer 13
-
€1,208 EUR
$1,350 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21813127A · Oct 30
€1,325 EUR
$1,480 USD
View
13 more retailers have this diamond
Prices start from €251 EURSave up to €1,074 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
€251 EUR