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Round|Lab Grown|IGI

1.20ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG812621638

Shape and cutting style on the report: Round brilliant

Certificate IGI LG812621638

Diamond specifications and retailer prices

From €197 EUR
$220 USD
As of October 30, 2026
Save €1,199 EUR (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,396 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 LG812621638 or 812621638. Listed at 18 retailers as of October 29, 2026, with prices from €197 to €1,396, a €1,199 spread on the same certified stone. Brilliant Earth lists it at €1,396. 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 angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621638
Dimensions6.92 × 6.89 × 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
6.92 mm6.89 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621638
Side View
Table 59.0%Crown 33.3°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 60.0%

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 30
Current: €1,396 EUR|Low: €140 EUR|High: €1,441 EUR|Avg: €614 EUR|-3.1%
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
Retailer 15
October 30, 2026
Retailer 3€197 EUR
Retailer 7€226 EUR
Retailer 15€309 EUR
Retailer 8€371 EUR
Retailer 9€375 EUR
Retailer 2€398 EUR
Retailer 4€463 EUR
Retailer 10€533 EUR
Retailer 14€563 EUR
Retailer 13€704 EUR
Retailer 5€750 EUR
Retailer 11€1,023 EUR
Retailer 6€1,059 EUR
Retailer 12€1,074 EUR
Brilliant Earth€1,396 EUR

36 data points across 15 retailers

18 retailers€197 EUR to €1,396 EUR

Retailer 1
-
€176 EUR
$197 USD
Price last confirmed 20 days ago
A
Retailer 2
-
€197 EUR
$220 USD
View
Final sale: no returns
Retailer 3
-
€218 EUR
$244 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€218 EUR
$244 USD
View
Price last confirmed 28 days ago
B+
Retailer 5
-
€309 EUR
$345 USD
View
A
Retailer 6
-
€371 EUR
View
A
Retailer 7
-
€375 EUR
ZAR 6,769 ZAR
View
A
Retailer 8
-
€398 EUR
£350 GBP
View
A
Retailer 9
-
€463 EUR
$518 USD
View
A
Retailer 10
-
€533 EUR
A$916 AUD
View
B+
Retailer 11
-
€563 EUR
$629 USD
View
Retailer 12
-
€702 EUR
$784 USD
View
Price last confirmed 30 days ago
B+
Retailer 13
-
€704 EUR
$787 USD
View
B+
Retailer 14
-
€750 EUR
$838 USD
View
B
Retailer 15
-
€1,023 EUR
£900 GBP
View
B
Retailer 16
-
€1,059 EUR
$1,183 USD
View
Retailer 17
-
€1,074 EUR
$1,200 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20913343A · Oct 29
€1,396 EUR
$1,560 USD
View
17 more retailers have this diamond
Prices start from €197 EURSave up to €1,199 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
€197 EUR