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Round|Lab Grown|IGI

6.50ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG610334559

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610334559

Diamond specifications and retailer prices

From £787 GBP
$1,055 USD
As of November 1, 2026
Save £4,017 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,805 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 6.5ct lab-grown round diamond

This 6.5ct lab-grown round 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 LG610334559 or 610334559. Listed at 21 retailers as of October 31, 2026, with prices from £787 to £4,805, a £4,017 spread on the same certified stone. Blue Nile lists it at £4,805. 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 angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610334559
Dimensions11.98 × 11.89 × 7.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.98 mm11.89 mm6.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610334559
Side View
Table 56.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

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 1
Current: £4,805 GBP|Low: £763 GBP|High: £4,806 GBP|Avg: £1,959 GBP|-0.0%
Blue Nile
Retailer 2
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Retailer 22
November 2, 2026
Retailer 5£787 GBP
Retailer 20£856 GBP
Retailer 9£881 GBP
Retailer 3£913 GBP
Retailer 21£913 GBP
Retailer 18£1,045 GBP
Retailer 22£1,201 GBP
Retailer 6£1,267 GBP
Retailer 17£1,314 GBP
Retailer 2£1,317 GBP
Retailer 10£1,456 GBP
Retailer 16£1,692 GBP
Retailer 4£1,711 GBP
Retailer 19£1,767 GBP
Retailer 7£1,908 GBP
Retailer 8£2,084 GBP
Retailer 11£2,790 GBP
Retailer 12£2,831 GBP
Retailer 13£3,097 GBP
Retailer 14£3,188 GBP
Retailer 15£4,769 GBP
Blue Nile£4,805 GBP

34 data points across 22 retailers

21 retailers£787 GBP to £4,805 GBP

A
Cheapest Retailer
-
£787 GBP
$1,055 USD
A
Retailer 2
-
£856 GBP
$1,147 USD
View
A
Retailer 3
-
£913 GBP
$1,223 USD
View
Retailer 4
-
£913 GBP
$1,223 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£1,045 GBP
$1,400 USD
View
Retailer 6
-
£1,201 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
£1,267 GBP
$1,697 USD
View
A
Retailer 8
-
£1,314 GBP
€1,677 EUR
View
A
Retailer 9
-
£1,317 GBP
View
B+
Retailer 10
-
£1,456 GBP
$1,951 USD
View
B+
Retailer 11
-
£1,692 GBP
A$3,488 AUD
View
B+
Retailer 12
-
£1,711 GBP
$2,293 USD
View
B+
Retailer 13
-
£1,767 GBP
ZAR 38,245 ZAR
View
B+
Retailer 14
-
£1,908 GBP
$2,557 USD
View
B+
Retailer 15
-
£2,084 GBP
$2,792 USD
View
Retailer 16
-
£2,790 GBP
$3,739 USD
View
Price last confirmed 22 days ago
B
Retailer 17
-
£2,831 GBP
$3,793 USD
View
B
Retailer 18
-
£3,097 GBP
View
B
Retailer 19
-
£3,188 GBP
$4,272 USD
View
B
Retailer 20
-
£4,769 GBP
$6,390 USD
View
Most Expensive
B
Blue Nile
25246325 · Oct 31
£4,805 GBP
$6,438 USD
View
20 more retailers have this diamond
Prices start from £787 GBPSave up to £4,017 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 Round
£787 GBP