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Round|Lab Grown|IGI

1.20ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840633327

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840633327

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)
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 LG840633327 or 840633327. Listed at 21 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 angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633327
Dimensions6.74 × 6.78 × 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
6.74 mm6.78 mm1.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633327
Side View
Table 58.0%Crown 35.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.4%

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 3
Current: €1,571 EUR|Low: €225 EUR|High: €1,722 EUR|Avg: €656 EUR|-8.8%
Brilliant Earth
Retailer 2
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Retailer 21
November 5, 2026
Retailer 21€225 EUR
Retailer 5€253 EUR
Retailer 7€262 EUR
Retailer 8€280 EUR
Retailer 12€282 EUR
Retailer 18€422 EUR
Retailer 15€443 EUR
Retailer 16€469 EUR
Retailer 19€470 EUR
Retailer 9€486 EUR
Retailer 14€504 EUR
Retailer 2€527 EUR
Retailer 20€622 EUR
Retailer 3€860 EUR
Retailer 6€900 EUR
Retailer 11€913 EUR
Retailer 4€945 EUR
Retailer 10€998 EUR
Retailer 13€1,119 EUR
Retailer 17€1,265 EUR
Brilliant Earth€1,571 EUR

26 data points across 21 retailers

21 retailers€225 EUR to €1,571 EUR

A
Cheapest Retailer
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€225 EUR
A
Retailer 2
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€253 EUR
View
Final sale: no returns
A
Retailer 3
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€262 EUR
View
A
Retailer 4
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€280 EUR
View
Retailer 5
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€282 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
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€422 EUR
View
A
Retailer 7
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€443 EUR
View
A
Retailer 8
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€469 EUR
View
A
Retailer 9
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€470 EUR
View
A
Retailer 10
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€486 EUR
View
A
Retailer 11
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€504 EUR
View
A
Retailer 12
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€527 EUR
View
B+
Retailer 13
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€622 EUR
View
B+
Retailer 14
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€860 EUR
View
B+
Retailer 15
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€900 EUR
View
B+
Retailer 16
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€913 EUR
View
B+
Retailer 17
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€945 EUR
View
B+
Retailer 18
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€998 EUR
View
B+
Retailer 19
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€1,119 EUR
View
B+
Retailer 20
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€1,265 EUR
View
Most Expensive
B
Brilliant Earth
21729036A · Nov 4
€1,571 EUR
$1,770 USD
View
20 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