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Round|Lab Grown|IGI

1.20ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG811638228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811638228

Diamond specifications and retailer prices

From €252 EUR
As of November 4, 2026
Save €1,319 EUR (84%) vs most expensive(unlock to see where)
21 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 LG811638228 or 811638228. Listed at 21 retailers as of November 4, 2026, with prices from €252 to €1,571, a €1,319 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 angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638228
Dimensions6.82 × 6.79 × 4.23 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
6.82 mm6.79 mm1.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638228
Side View
Table 56.0%Crown 36.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.1%

Caratlytics Score

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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: Nov 4
Current: €1,571 EUR|Low: €225 EUR|High: €1,846 EUR|Avg: €684 EUR|-14.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 20
November 5, 2026
Retailer 8€234 EUR
Retailer 20€252 EUR
Retailer 12€272 EUR
Retailer 9€291 EUR
Retailer 10€291 EUR
Retailer 16€422 EUR
Retailer 13€443 EUR
Retailer 14€469 EUR
Retailer 4€471 EUR
Retailer 5€486 EUR
Retailer 2€527 EUR
Retailer 17€622 EUR
Retailer 18€860 EUR
Retailer 7€913 EUR
Retailer 11€935 EUR
Retailer 19€945 EUR
Retailer 6€998 EUR
Retailer 3€1,122 EUR
Retailer 15€1,265 EUR
Brilliant Earth€1,571 EUR

38 data points across 20 retailers

21 retailers€252 EUR to €1,571 EUR

Retailer 1
-
€234 EUR
Price last confirmed 26 days ago
A
Retailer 2
-
€252 EUR
View
Final sale: no returns
Retailer 3
-
€272 EUR
View
Price last confirmed 30 days ago
Retailer 4
-
€288 EUR
View
Price last confirmed 59 days ago
Retailer 5
-
€291 EUR
View
Price last confirmed 29 days ago
Retailer 6
-
€291 EUR
View
Price last confirmed 28 days ago
A
Retailer 7
-
€422 EUR
View
A
Retailer 8
-
€443 EUR
View
A
Retailer 9
-
€469 EUR
View
A
Retailer 10
-
€471 EUR
View
A
Retailer 11
-
€486 EUR
View
A
Retailer 12
-
€527 EUR
View
B+
Retailer 13
-
€622 EUR
View
B+
Retailer 14
-
€860 EUR
View
B+
Retailer 15
-
€913 EUR
View
Retailer 16
-
€935 EUR
View
Price last confirmed 30 days ago
B+
Retailer 17
-
€945 EUR
View
B+
Retailer 18
-
€998 EUR
View
B+
Retailer 19
-
€1,122 EUR
View
B+
Retailer 20
-
€1,265 EUR
View
Most Expensive
B
Brilliant Earth
21422065A · Nov 4
€1,571 EUR
$1,770 USD
View
20 more retailers have this diamond
Prices start from €252 EURSave up to €1,319 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
€252 EUR