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Oval|Lab Grown|IGI

1.51ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG496102629

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG496102629

Diamond specifications and retailer prices

From €931 EUR
As of November 6, 2026
Save €1,793 EUR (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,250 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496102629 or 496102629. Listed at 13 retailers as of November 6, 2026, with a 193% 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496102629
Dimensions9.16 × 6.45 × 4.05 mm
L/W Ratio1.42
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
9.16 mm6.45 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496102629
Side View
Table 55.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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 6
Current: €3,250 EUR|Low: €931 EUR|High: €5,018 EUR|Avg: €2,499 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5€931 EUR
Retailer 7€1,495 EUR
Retailer 10€1,627 EUR
Retailer 8€1,734 EUR
Retailer 2€2,359 EUR
Retailer 3€2,434 EUR
Retailer 9€2,725 EUR
Retailer 6€2,990 EUR
NZ Jewellers€3,250 EUR
Retailer 4€4,939 EUR

45 data points across 10 retailers

13 retailers€931 EUR to €2,725 EUR

B+
Cheapest Retailer
-
€931 EUR
B
Retailer 2
-
€1,495 EUR
View
B
Retailer 3
-
€1,627 EUR
View
B
Retailer 4
-
€1,674 EUR
View
Final sale: no returns
Retailer 5
-
€1,734 EUR
View
Price last confirmed 26 days ago
B
Retailer 6
-
€1,734 EUR
View
B
Retailer 7
-
€1,885 EUR
View
B
Retailer 8
-
€2,359 EUR
View
B
Retailer 9
-
€2,434 EUR
View
B
Retailer 10
-
€2,725 EUR
View
Retailer 11
-
€2,990 EUR
View
Price under review
Most Expensive
NZ Jewellers
5e71dafc-8239-4e00-9580-461675dac5d6 · Nov 5
€3,250 EUR
$3,629 USD
View
Price under review
11 more retailers have this diamond
Prices start from €931 EURSave up to €1,793 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+
1.51ct Oval
€931 EUR