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Round|Lab Grown|IGI

1.20ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG787623831

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787623831

Diamond specifications and retailer prices

From €418 EUR
As of October 31, 2026
Save €606 EUR (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,039 EUR at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787623831 or 787623831. Listed at 9 retailers as of October 26, 2026, with a 145% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623831
Dimensions6.88 × 6.85 × 4.15 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
6.88 mm6.85 mm1.20 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623831
Side View
Table 56.0%Crown 32°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
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: Oct 31
Current: €1,039 EUR|Low: €393 EUR|High: €1,074 EUR|Avg: €676 EUR|-3.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2€418 EUR
Retailer 7€433 EUR
Retailer 5€469 EUR
Retailer 3€480 EUR
Retailer 6€558 EUR
Retailer 9€867 EUR
Retailer 8€867 EUR
Retailer 4€1,025 EUR
Rare Carat€1,039 EUR

32 data points across 9 retailers

9 retailers€418 EUR to €1,025 EUR

A
Cheapest Retailer
-
€418 EUR
A
Retailer 2
-
€433 EUR
$486 USD
View
B+
Retailer 3
-
€469 EUR
$526 USD
View
B+
Retailer 4
-
€480 EUR
£424 GBP
View
B+
Retailer 5
-
€558 EUR
$626 USD
View
B
Retailer 6
-
€867 EUR
$973 USD
View
B
Retailer 7
-
€884 EUR
$992 USD
View
B
Retailer 8
-
€1,025 EUR
£905 GBP
View
Most Expensive
Rare Carat
F-667-802 · Oct 18
€1,039 EUR
$1,165 USD
View
Price last confirmed 16 days ago
8 more retailers have this diamond
Prices start from €418 EURSave up to €606 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
€418 EUR