Oval|Lab Grown|IGI

1.51ct F SI1 Oval Lab Grown Diamond

VG • F/SI1 • IGI LG825655667

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825655667

Diamond specifications and retailer prices

From €233 EUR
As of November 6, 2026
Save €646 EUR (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €879 EUR at Taylor and Hart · As of November 6, 2026
View at Taylor and Hart

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 very-good cut grade and certified by IGI LG825655667 or 825655667. Listed at 11 retailers as of November 6, 2026, with prices from €233 to €879, a €646 spread on the same certified stone. Taylor and Hart lists it at €879. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825655667
Dimensions9.05 × 6.41 × 4.01 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.05 mm6.41 mm1.51 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825655667
Side View
Table 62.0%Crown 34.6°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €330 EUR|Low: €233 EUR|High: €879 EUR|Avg: €494 EUR|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
November 6, 2026
Retailer 8€233 EUR
Retailer 6€259 EUR
Retailer 1€330 EUR
Retailer 3€349 EUR
Retailer 7€425 EUR
Retailer 2€482 EUR
Retailer 5€836 EUR
Retailer 4€838 EUR
Taylor and Hart€879 EUR

16 data points across 9 retailers

11 retailers€233 EUR to €879 EUR

A
Cheapest Retailer
-
€233 EUR
Final sale: no returns
A
Retailer 2
-
€242 EUR
View
Retailer 3
-
€259 EUR
View
Price last confirmed 13 days ago
A
Retailer 4
-
€330 EUR
View
B+
Retailer 5
-
€349 EUR
View
A
Retailer 6
-
€425 EUR
View
B+
Retailer 7
-
€482 EUR
View
B
Retailer 8
-
€752 EUR
View
B
Retailer 9
-
€836 EUR
View
B
Retailer 10
-
€838 EUR
View
Most Expensive
B
Taylor and Hart
3ACSFXT · Nov 6
€879 EUR
$982 USD
View
10 more retailers have this diamond
Prices start from €233 EURSave up to €646 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
1.51ct Oval
€233 EUR