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Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG685510748

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685510748

Diamond specifications and retailer prices

From €184 EUR
$206 USD
As of October 29, 2026
Save €1,901 EUR (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,086 EUR at Brilliant Earth · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG685510748 or 685510748. Listed at 22 retailers as of October 29, 2026, with prices from €184 to €2,086, a €1,901 spread on the same certified stone. Brilliant Earth lists it at €2,086. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685510748
Dimensions6.76 × 6.80 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.76 mm6.80 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685510748
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

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: Oct 29
Current: €2,086 EUR|Low: €176 EUR|High: €2,086 EUR|Avg: €586 EUR
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 20€184 EUR
Retailer 8€206 EUR
Retailer 14€213 EUR
Retailer 4€228 EUR
Retailer 5€228 EUR
Retailer 21€252 EUR
Retailer 9€309 EUR
Retailer 17€386 EUR
Retailer 15€417 EUR
Retailer 2€418 EUR
Retailer 7€446 EUR
Retailer 16€558 EUR
Retailer 6€566 EUR
Retailer 11€733 EUR
Retailer 19€736 EUR
Retailer 12€777 EUR
Retailer 3€781 EUR
Retailer 13€1,072 EUR
Retailer 18€1,079 EUR
Retailer 10€1,084 EUR
Brilliant Earth€2,086 EUR

41 data points across 21 retailers

22 retailers€184 EUR to €2,086 EUR

A
Cheapest Retailer
-
€184 EUR
$206 USD
A
Retailer 2
-
€206 EUR
$230 USD
View
Final sale: no returns
A
Retailer 3
-
€213 EUR
$238 USD
View
A
Retailer 4
-
€228 EUR
$255 USD
View
A
Retailer 5
-
€228 EUR
$255 USD
View
A
Retailer 6
-
€252 EUR
HK$2,200 HKD
View
B+
Retailer 7
-
€309 EUR
$345 USD
View
Retailer 8
-
€386 EUR
ZAR 6,963 ZAR
View
Price last confirmed 7 days ago
A
Retailer 9
-
€417 EUR
View
A
Retailer 10
-
€418 EUR
£368 GBP
View
A
Retailer 11
-
€446 EUR
$498 USD
View
A
Retailer 12
-
€558 EUR
A$959 AUD
View
B+
Retailer 13
-
€566 EUR
$632 USD
View
B+
Retailer 14
-
€733 EUR
$819 USD
View
B+
Retailer 15
-
€736 EUR
$822 USD
View
B+
Retailer 16
-
€777 EUR
$868 USD
View
B+
Retailer 17
-
€781 EUR
$873 USD
View
B+
Retailer 18
-
€1,072 EUR
£943 GBP
View
Retailer 19
-
€1,079 EUR
$1,205 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
€1,084 EUR
$1,211 USD
View
B
Retailer 21
-
€2,046 EUR
£1,800 GBP
View
Most Expensive
B
Brilliant Earth
15027555A · Oct 29
€2,086 EUR
$2,330 USD
View
21 more retailers have this diamond
Prices start from €184 EURSave up to €1,901 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
€184 EUR