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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 €528 EUR
As of November 6, 2026
Save €1,292 EUR (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,004 EUR at NZ Jewellers · As of November 5, 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 4, 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
Colour
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 6
Current: €1,129 EUR|Low: €528 EUR|High: €3,043 EUR|Avg: €1,122 EUR|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4€528 EUR
Retailer 7€614 EUR
Retailer 10€687 EUR
Retailer 2€713 EUR
Retailer 8€713 EUR
Retailer 5€873 EUR
Retailer 1€1,129 EUR
Retailer 9€1,160 EUR
Retailer 6€1,821 EUR
Retailer 3€2,994 EUR

44 data points across 10 retailers

12 retailers€528 EUR to €1,821 EUR

A
Cheapest Retailer
-
€528 EUR
B+
Retailer 2
-
€614 EUR
View
B
Retailer 3
-
€668 EUR
View
B+
Retailer 4
-
€687 EUR
View
Final sale: no returns
B+
Retailer 5
-
€713 EUR
View
Retailer 6
-
€713 EUR
View
Price last confirmed 22 days ago
B
Retailer 7
-
€873 EUR
View
B
Retailer 8
-
€1,129 EUR
View
B
Retailer 9
-
€1,160 EUR
View
B
Retailer 10
-
€1,821 EUR
View
Most Expensive
NZ Jewellers
934ab764-8ba7-4297-9131-255ec0c6372e · Nov 5
€2,004 EUR
$2,238 USD
View
Price under review
10 more retailers have this diamond
Prices start from €528 EURSave up to €1,292 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
€528 EUR