Oval|Lab Grown|IGI

1.51ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG594338483

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG594338483

Diamond specifications and retailer prices

From £800 GBP
$1,080 USD
As of November 4, 2026
3 retailers carry this diamond
Most expensive: £800 GBP at Brilliant Earth
View at Brilliant Earth

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG594338483 or 594338483. Listed at 3 retailers as of November 4, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594338483
Dimensions9.60 × 6.44 × 3.88 mm
L/W Ratio1.49
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
9.60 mm6.44 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594338483
Side View
Table 62.0%Crown 32°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £800 GBP|Low: £87 GBP|High: £1,296 GBP|Avg: £600 GBP|-22.9%
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 16
September 14, 2026
Retailer 15£125 GBP
Retailer 11£263 GBP
Retailer 10£322 GBP
Retailer 4£325 GBP
Retailer 13£366 GBP
Retailer 9£399 GBP
Retailer 14£431 GBP
Retailer 2£447 GBP
Retailer 8£603 GBP
Retailer 3£667 GBP
Retailer 12£696 GBP
Retailer 5£733 GBP
Retailer 6£748 GBP
Brilliant Earth£800 GBP
Retailer 16£914 GBP
Retailer 7£1,225 GBP

74 data points across 16 retailers

3 retailers

Retailer 1
-
£303 GBP
Price last confirmed 62 days ago
Retailer 2
-
£696 GBP
View
Price last confirmed 57 days ago
Most Expensive
B
Brilliant Earth
17352717A · Nov 4
£800 GBP
$1,080 USD
View
2 more retailers have this diamond

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
£800 GBP