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Oval|Lab Grown|IGI

1.09ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG497143900

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497143900

Diamond specifications and retailer prices

From €526 EUR
$590 USD
As of November 2, 2026
Save €1,287 EUR (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,995 EUR at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.09ct lab-grown oval diamond

This 1.09ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497143900 or 497143900. Listed at 12 retailers as of November 2, 2026, with a 245% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497143900
Dimensions8.54 × 5.85 × 3.49 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.54 mm5.85 mm1.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497143900
Side View
Table 59.0%Crown 35°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,136 EUR|Low: €526 EUR|High: €3,029 EUR|Avg: €1,106 EUR|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4€526 EUR
Retailer 7€612 EUR
Retailer 10€684 EUR
Retailer 2€710 EUR
Retailer 8€710 EUR
Retailer 5€869 EUR
Retailer 1€1,136 EUR
Retailer 9€1,155 EUR
Retailer 6€1,813 EUR
Retailer 3€2,989 EUR

43 data points across 10 retailers

12 retailers€526 EUR to €1,813 EUR

A
Cheapest Retailer
-
€526 EUR
$590 USD
B+
Retailer 2
-
€612 EUR
$686 USD
View
B
Retailer 3
-
€665 EUR
$746 USD
View
B+
Retailer 4
-
€684 EUR
$767 USD
View
Final sale: no returns
B+
Retailer 5
-
€710 EUR
$796 USD
View
Retailer 6
-
€710 EUR
$796 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
€869 EUR
$975 USD
View
B
Retailer 8
-
€1,136 EUR
£1,003 GBP
View
B
Retailer 9
-
€1,155 EUR
$1,295 USD
View
B
Retailer 10
-
€1,813 EUR
$2,033 USD
View
Most Expensive
NZ Jewellers
934ab764-8ba7-4297-9131-255ec0c6372e · Oct 31
€1,995 EUR
$2,238 USD
View
Price under review
10 more retailers have this diamond
Prices start from €526 EURSave up to €1,287 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 Oval
€526 EUR