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Round|Lab Grown|IGI

1.09ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG788624676

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788624676

Diamond specifications and retailer prices

From €747 EUR
$834 USD
As of October 29, 2026
Save €1,689 EUR (69%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €3,528 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788624676 or 788624676. Listed at 22 retailers as of October 29, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624676
Dimensions6.60 × 6.62 × 4.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.60 mm6.62 mm1.09 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624676
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €1,353 EUR|Low: €717 EUR|High: €3,285 EUR|Avg: €1,512 EUR|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11€747 EUR
Retailer 2€866 EUR
Retailer 3€866 EUR
Retailer 10€1,025 EUR
Retailer 4€1,315 EUR
Retailer 1€1,353 EUR
Retailer 6€1,499 EUR
Retailer 8€1,592 EUR
Retailer 5€1,991 EUR
Retailer 9€2,211 EUR
Retailer 7€3,264 EUR

36 data points across 11 retailers

22 retailers€747 EUR to €2,436 EUR

B+
Cheapest Retailer
-
€747 EUR
$834 USD
B+
Retailer 2
-
€813 EUR
$908 USD
View
B+
Retailer 3
-
€836 EUR
$934 USD
View
Final sale: no returns
Retailer 4
-
€866 EUR
$968 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
€866 EUR
$968 USD
View
B+
Retailer 6
-
€1,008 EUR
HK$8,800 HKD
View
B+
Retailer 7
-
€1,025 EUR
$1,145 USD
View
B
Retailer 8
-
€1,059 EUR
$1,183 USD
View
B
Retailer 9
-
€1,240 EUR
$1,385 USD
View
B+
Retailer 10
-
€1,315 EUR
£1,157 GBP
View
B
Retailer 11
-
€1,353 EUR
View
B
Retailer 12
-
€1,499 EUR
£1,318 GBP
View
B
Retailer 13
-
€1,592 EUR
ZAR 28,734 ZAR
View
B
Retailer 14
-
€1,815 EUR
$2,028 USD
View
B
Retailer 15
-
€1,991 EUR
$2,224 USD
View
B
Retailer 16
-
€2,211 EUR
$2,470 USD
View
B
Retailer 17
-
€2,425 EUR
SGD 3,661 SGD
View
B
Retailer 18
-
€2,436 EUR
$2,721 USD
View
Retailer 19
-
€2,880 EUR
$3,217 USD
View
Price under review
Retailer 20
-
€3,000 EUR
$3,352 USD
View
Price under review
Retailer 21
-
€3,264 EUR
£2,871 GBP
View
Price under review
Most Expensive
With Clarity
788624676 · Oct 31
€3,528 EUR
$3,942 USD
View
Price under review
21 more retailers have this diamond
Prices start from €747 EURSave up to €1,689 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.

B+
1.09ct Round
€747 EUR