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Round|Lab Grown|IGI

1.09ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG818668144

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818668144

Diamond specifications and retailer prices

From €407 EUR
$455 USD
As of October 30, 2026
Save €1,428 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,835 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818668144 or 818668144. Listed at 8 retailers as of October 30, 2026, with prices from €407 to €1,835, a €1,428 spread on the same certified stone. Do Amore Diamonds lists it at €1,835. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
F
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818668144
Dimensions6.61 × 6.55 × 4.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.61 mm6.55 mm1.09 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818668144
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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: Oct 30
Current: €1,835 EUR|Low: €233 EUR|High: €2,077 EUR|Avg: €868 EUR|-11.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5€233 EUR
Retailer 7€407 EUR
Retailer 11€434 EUR
Retailer 12€507 EUR
Retailer 4€595 EUR
Retailer 13€611 EUR
Retailer 8€764 EUR
Retailer 9€794 EUR
Retailer 10€909 EUR
Retailer 6€1,053 EUR
Retailer 2€1,182 EUR
Retailer 3€1,197 EUR
Do Amore Diamonds€1,835 EUR

15 data points across 13 retailers

8 retailers€407 EUR to €1,835 EUR

A
Cheapest Retailer
-
€407 EUR
$455 USD
Retailer 2
-
€670 EUR
$748 USD
View
Price last confirmed 22 days ago
B
Retailer 3
-
€764 EUR
$853 USD
View
B+
Retailer 4
-
€794 EUR
$887 USD
View
B
Retailer 5
-
€909 EUR
$1,015 USD
View
B
Retailer 6
-
€1,053 EUR
£926 GBP
View
B
Retailer 7
-
€1,182 EUR
$1,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-101B559CF · Oct 30
€1,835 EUR
$2,050 USD
View
7 more retailers have this diamond
Prices start from €407 EURSave up to €1,428 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
1.09ct Round
€407 EUR