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Oval|Lab Grown|IGI

1.51ct G VS1 Oval Lab Grown Diamond

EX • G/VS1 • IGI LG797659427

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797659427

Diamond specifications and retailer prices

From £167 GBP
As of November 3, 2026
Save £676 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £842 GBP at Brilliance · As of November 3, 2026
View at Brilliance

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797659427 or 797659427. Listed at 18 retailers as of November 3, 2026, with prices from £167 to £842, a £676 spread on the same certified stone. Brilliance lists it at £842. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797659427
Dimensions9.40 × 6.45 × 3.89 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm6.45 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797659427
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 40°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £842 GBP|Low: £164 GBP|High: £847 GBP|Avg: £449 GBP|-0.5%
Brilliance
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 5, 2026
Retailer 4£167 GBP
Retailer 3£187 GBP
Retailer 16£193 GBP
Retailer 14£207 GBP
Retailer 7£208 GBP
Retailer 18£352 GBP
Retailer 6£357 GBP
Retailer 8£358 GBP
Retailer 2£381 GBP
Retailer 17£450 GBP
Retailer 11£483 GBP
Retailer 12£553 GBP
Retailer 15£665 GBP
Retailer 10£667 GBP
Retailer 9£672 GBP
Retailer 5£704 GBP
Retailer 13£828 GBP
Brilliance£842 GBP

33 data points across 18 retailers

18 retailers£167 GBP to £842 GBP

A
Cheapest Retailer
-
£167 GBP
A
Retailer 2
-
£187 GBP
View
Final sale: no returns
A
Retailer 3
-
£193 GBP
View
A
Retailer 4
-
£207 GBP
View
Retailer 5
-
£208 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£352 GBP
View
A
Retailer 7
-
£357 GBP
View
A
Retailer 8
-
£358 GBP
View
A
Retailer 9
-
£381 GBP
View
A
Retailer 10
-
£450 GBP
View
A
Retailer 11
-
£483 GBP
View
B+
Retailer 12
-
£553 GBP
View
B+
Retailer 13
-
£665 GBP
View
B+
Retailer 14
-
£667 GBP
View
B+
Retailer 15
-
£672 GBP
View
B
Retailer 16
-
£704 GBP
View
B
Retailer 17
-
£828 GBP
View
Most Expensive
B
Brilliance
D41976694 · Nov 3
£842 GBP
$1,137 USD
View
17 more retailers have this diamond
Prices start from £167 GBPSave up to £676 GBP

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
£167 GBP