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Oval|Lab Grown|IGI

6.51ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG733538436

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG733538436

Diamond specifications and retailer prices

From £812 GBP
As of October 30, 2026
Save £2,430 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,242 GBP at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 6.51ct lab-grown oval diamond

This 6.51ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG733538436 or 733538436. Listed at 10 retailers as of October 28, 2026, with prices from £812 to £3,242, a £2,430 spread on the same certified stone. Taylor and Hart lists it at £3,242. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733538436
Dimensions15.34 × 10.49 × 6.37 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
15.34 mm10.49 mm6.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733538436
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £929 GBP|Low: £810 GBP|High: £3,386 GBP|Avg: £1,867 GBP|-12.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 9£812 GBP
Retailer 1£929 GBP
Retailer 8£1,214 GBP
Retailer 2£1,225 GBP
Retailer 11£1,336 GBP
Retailer 13£1,546 GBP
Retailer 3£1,722 GBP
Retailer 7£1,737 GBP
Retailer 5£1,937 GBP
Retailer 12£1,976 GBP
Retailer 6£2,559 GBP
Retailer 14£2,687 GBP
Retailer 10£2,848 GBP
Retailer 4£3,235 GBP

34 data points across 14 retailers

10 retailers£812 GBP to £3,242 GBP

A
Cheapest Retailer
-
£812 GBP
A
Retailer 2
-
£929 GBP
$1,245 USD
View
B+
Retailer 3
-
£1,214 GBP
$1,626 USD
View
A
Retailer 4
-
£1,336 GBP
View
B+
Retailer 5
-
£1,737 GBP
$2,328 USD
View
B+
Retailer 6
-
£1,976 GBP
$2,647 USD
View
B
Retailer 7
-
£2,687 GBP
$3,600 USD
View
B
Retailer 8
-
£2,848 GBP
View
Retailer 9
-
£3,235 GBP
$4,335 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Taylor and Hart
QSQCEUL · Oct 28
£3,242 GBP
$4,344 USD
View
9 more retailers have this diamond
Prices start from £812 GBPSave up to £2,430 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
6.51ct Oval
£812 GBP