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Round|Lab Grown|IGI

1.20ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG800678735

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800678735

Diamond specifications and retailer prices

From €456 EUR
$509 USD
As of October 29, 2026
Save €1,066 EUR (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,522 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800678735 or 800678735. Listed at 14 retailers as of October 29, 2026, with prices from €456 to €1,522, a €1,066 spread on the same certified stone. Brilliant Earth lists it at €1,522. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800678735
Dimensions6.83 × 6.76 × 4.22 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
6.83 mm6.76 mm1.20 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800678735
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

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 29
Current: €1,522 EUR|Low: €410 EUR|High: €1,575 EUR|Avg: €870 EUR|-3.4%
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 30, 2026
Retailer 14€456 EUR
Retailer 11€458 EUR
Retailer 4€474 EUR
Retailer 12€527 EUR
Retailer 8€552 EUR
Retailer 9€576 EUR
Retailer 2€594 EUR
Retailer 5€650 EUR
Retailer 13€756 EUR
Retailer 3€1,225 EUR
Retailer 10€1,329 EUR
Retailer 7€1,352 EUR
Retailer 6€1,359 EUR
Brilliant Earth€1,522 EUR

40 data points across 14 retailers

14 retailers€456 EUR to €1,522 EUR

A
Cheapest Retailer
-
€456 EUR
$509 USD
A
Retailer 2
-
€458 EUR
HK$4,000 HKD
View
A
Retailer 3
-
€474 EUR
$530 USD
View
A
Retailer 4
-
€527 EUR
$589 USD
View
A
Retailer 5
-
€552 EUR
View
A
Retailer 6
-
€576 EUR
ZAR 10,402 ZAR
View
A
Retailer 7
-
€594 EUR
£523 GBP
View
B+
Retailer 8
-
€650 EUR
A$1,118 AUD
View
B+
Retailer 9
-
€756 EUR
$845 USD
View
B
Retailer 10
-
€1,225 EUR
$1,369 USD
View
Retailer 11
-
€1,329 EUR
$1,485 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
€1,352 EUR
£1,189 GBP
View
B
Retailer 13
-
€1,359 EUR
$1,518 USD
View
Most Expensive
B
Brilliant Earth
20883885Y · Oct 29
€1,522 EUR
$1,700 USD
View
13 more retailers have this diamond
Prices start from €456 EURSave up to €1,066 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
€456 EUR