CaratHunter
Plans
Round|Lab Grown|IGI

1.20ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG818659200

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818659200

Diamond specifications and retailer prices

From €225 EUR
As of November 3, 2026
Save €1,346 EUR (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,571 EUR at Brilliant Earth · As of November 4, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659200 or 818659200. Listed at 20 retailers as of November 3, 2026, with prices from €225 to €1,571, a €1,346 spread on the same certified stone. Brilliant Earth lists it at €1,571. 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659200
Dimensions6.86 × 6.82 × 4.18 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
6.86 mm6.82 mm1.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659200
Side View
Table 56.0%Crown 33.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 3
Current: €1,571 EUR|Low: €225 EUR|High: €1,846 EUR|Avg: €698 EUR|-14.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 18€225 EUR
Retailer 4€252 EUR
Retailer 6€262 EUR
Retailer 7€280 EUR
Retailer 11€282 EUR
Retailer 15€422 EUR
Retailer 13€469 EUR
Retailer 16€470 EUR
Retailer 8€486 EUR
Retailer 2€527 EUR
Retailer 17€622 EUR
Retailer 19€860 EUR
Retailer 5€900 EUR
Retailer 10€913 EUR
Retailer 3€945 EUR
Retailer 9€998 EUR
Retailer 12€1,119 EUR
Retailer 14€1,265 EUR
Brilliant Earth€1,571 EUR

30 data points across 19 retailers

20 retailers€225 EUR to €1,571 EUR

A+
Cheapest Retailer
-
€225 EUR
A
Retailer 2
-
€252 EUR
View
Final sale: no returns
A
Retailer 3
-
€262 EUR
View
A
Retailer 4
-
€280 EUR
View
Retailer 5
-
€282 EUR
View
Price last confirmed 11 days ago
Retailer 6
-
€288 EUR
View
Price last confirmed 59 days ago
A
Retailer 7
-
€422 EUR
View
A
Retailer 8
-
€469 EUR
View
A
Retailer 9
-
€470 EUR
View
A
Retailer 10
-
€486 EUR
View
A
Retailer 11
-
€527 EUR
View
B+
Retailer 12
-
€622 EUR
View
B+
Retailer 13
-
€860 EUR
View
B+
Retailer 14
-
€900 EUR
View
B+
Retailer 15
-
€913 EUR
View
B+
Retailer 16
-
€945 EUR
View
B+
Retailer 17
-
€998 EUR
View
B+
Retailer 18
-
€1,119 EUR
View
B+
Retailer 19
-
€1,265 EUR
View
Most Expensive
B
Brilliant Earth
21421750A · Nov 4
€1,571 EUR
$1,770 USD
View
19 more retailers have this diamond
Prices start from €225 EURSave up to €1,346 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
€225 EUR