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Oval|Lab Grown|IGI

1.00ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG514264255

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG514264255

Diamond specifications and retailer prices

From €499 EUR
$560 USD
As of November 2, 2026
Save €1,170 EUR (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,837 EUR at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1ct lab-grown oval diamond

This 1ct 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 LG514264255 or 514264255. Listed at 12 retailers as of November 2, 2026, with a 234% 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

1.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514264255
Dimensions7.89 × 5.87 × 3.54 mm
L/W Ratio1.34
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
7.89 mm5.87 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514264255
Side View
Table 62.5%Crown 32.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.3%

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: Nov 2
Current: €1,043 EUR|Low: €499 EUR|High: €2,785 EUR|Avg: €1,038 EUR|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3€499 EUR
Retailer 7€563 EUR
Retailer 10€630 EUR
Retailer 2€654 EUR
Retailer 8€654 EUR
Retailer 4€811 EUR
Retailer 1€1,043 EUR
Retailer 9€1,067 EUR
Retailer 6€1,669 EUR
Retailer 5€2,756 EUR

41 data points across 10 retailers

12 retailers€499 EUR to €1,669 EUR

B+
Cheapest Retailer
-
€499 EUR
$560 USD
B+
Retailer 2
-
€563 EUR
$632 USD
View
B+
Retailer 3
-
€613 EUR
$687 USD
View
B+
Retailer 4
-
€630 EUR
$707 USD
View
Final sale: no returns
B+
Retailer 5
-
€654 EUR
$733 USD
View
Retailer 6
-
€654 EUR
$733 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
€811 EUR
$910 USD
View
B
Retailer 8
-
€1,043 EUR
£921 GBP
View
B
Retailer 9
-
€1,067 EUR
$1,197 USD
View
B
Retailer 10
-
€1,669 EUR
$1,872 USD
View
Most Expensive
NZ Jewellers
99ddc6d7-697b-4979-8a01-1b63bc1dccda · Oct 31
€1,837 EUR
$2,060 USD
View
Price under review
10 more retailers have this diamond
Prices start from €499 EURSave up to €1,170 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+
1.00ct Oval
€499 EUR