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Oval|Lab Grown|IGI

6.50ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG620449651

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG620449651

Diamond specifications and retailer prices

From £651 GBP
$872 USD
As of October 29, 2026
Save £3,514 GBP (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,165 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.5ct lab-grown oval diamond

This 6.5ct 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 LG620449651 or 620449651. Listed at 24 retailers as of October 29, 2026, with prices from £651 to £4,165, a £3,514 spread on the same certified stone. Brilliant Earth lists it at £4,165. 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

6.50
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620449651
Dimensions15.39 × 10.52 × 6.19 mm
L/W Ratio1.46
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
15.39 mm10.52 mm6.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620449651
Side View
Table 63.0%Crown 32.6°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
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: Oct 29
Current: £4,165 GBP|Low: £625 GBP|High: £4,165 GBP|Avg: £1,520 GBP
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 31, 2026
Retailer 3£651 GBP
Retailer 9£708 GBP
Retailer 6£728 GBP
Retailer 7£755 GBP
Retailer 13£811 GBP
Retailer 16£884 GBP
Retailer 17£1,081 GBP
Retailer 10£1,131 GBP
Retailer 18£1,146 GBP
Retailer 2£1,161 GBP
Retailer 11£1,399 GBP
Retailer 15£1,460 GBP
Retailer 12£1,490 GBP
Retailer 8£2,122 GBP
Retailer 4£2,361 GBP
Retailer 5£2,375 GBP
Retailer 14£2,844 GBP
Brilliant Earth£4,165 GBP

39 data points across 18 retailers

24 retailers£651 GBP to £4,165 GBP

A
Cheapest Retailer
-
£651 GBP
$872 USD
A
Retailer 2
-
£708 GBP
$948 USD
View
A
Retailer 3
-
£728 GBP
$976 USD
View
Final sale: no returns
Retailer 4
-
£755 GBP
$1,011 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£755 GBP
$1,011 USD
View
A
Retailer 6
-
£811 GBP
View
A
Retailer 7
-
£884 GBP
$1,185 USD
View
B+
Retailer 8
-
£1,081 GBP
$1,448 USD
View
A
Retailer 9
-
£1,131 GBP
$1,515 USD
View
A
Retailer 10
-
£1,146 GBP
€1,463 EUR
View
A
Retailer 11
-
£1,161 GBP
View
A
Retailer 12
-
£1,399 GBP
A$2,883 AUD
View
A
Retailer 13
-
£1,460 GBP
ZAR 31,609 ZAR
View
A
Retailer 14
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£1,490 GBP
$1,996 USD
View
B+
Retailer 15
-
£1,836 GBP
$2,460 USD
View
B+
Retailer 16
-
£1,920 GBP
$2,572 USD
View
B+
Retailer 17
-
£2,081 GBP
View
B+
Retailer 18
-
£2,122 GBP
$2,843 USD
View
B+
Retailer 19
-
£2,361 GBP
$3,164 USD
View
B+
Retailer 20
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£2,375 GBP
$3,182 USD
View
B
Retailer 21
-
£2,619 GBP
$3,509 USD
View
B
Retailer 22
-
£2,844 GBP
View
B
Retailer 23
-
£3,614 GBP
$4,843 USD
View
Most Expensive
B
Brilliant Earth
10794636A · Oct 29
£4,165 GBP
$5,580 USD
View
23 more retailers have this diamond
Prices start from £651 GBPSave up to £3,514 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
6.50ct Oval
£651 GBP