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Round|Lab Grown|IGI

1.20ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840635065

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840635065

Diamond specifications and retailer prices

From €225 EUR
As of November 3, 2026
Save €1,739 EUR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,964 EUR at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

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 LG840635065 or 840635065. Listed at 22 retailers as of November 3, 2026, with prices from €225 to €1,964, a €1,739 spread on the same certified stone. Helzberg Diamonds lists it at €1,964. 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 angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635065
Dimensions6.78 × 6.87 × 4.21 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
6.78 mm6.87 mm1.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635065
Side View
Table 57.0%Crown 33.9°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

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: €1,964 EUR|Low: €225 EUR|High: €1,964 EUR|Avg: €743 EUR
Helzberg Diamonds
Retailer 2
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Retailer 22
November 5, 2026
Retailer 22€225 EUR
Retailer 17€253 EUR
Retailer 6€262 EUR
Retailer 7€280 EUR
Retailer 10€282 EUR
Retailer 20€422 EUR
Retailer 16€443 EUR
Retailer 18€469 EUR
Retailer 8€471 EUR
Retailer 9€486 EUR
Retailer 14€504 EUR
Retailer 2€527 EUR
Retailer 21€622 EUR
Retailer 3€860 EUR
Retailer 5€900 EUR
Retailer 12€913 EUR
Retailer 4€945 EUR
Retailer 11€998 EUR
Retailer 13€1,119 EUR
Retailer 19€1,265 EUR
Retailer 15€1,571 EUR
Helzberg Diamonds€1,964 EUR

21 data points across 22 retailers

22 retailers€225 EUR to €1,964 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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€471 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
B
Retailer 21
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€1,571 EUR
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJLGML · Nov 4
€1,964 EUR
$2,213 USD
View
21 more retailers have this diamond
Prices start from €225 EURSave up to €1,739 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