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Round|Lab Grown|IGI

6.50ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG608398198

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608398198

Diamond specifications and retailer prices

From £687 GBP
$921 USD
As of October 29, 2026
Save £4,082 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,769 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG608398198 or 608398198. Listed at 21 retailers as of October 29, 2026, with prices from £687 to £4,769, a £4,082 spread on the same certified stone. Brilliant Earth lists it at £4,769. 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 angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608398198
Dimensions11.99 × 11.91 × 7.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
11.99 mm11.91 mm6.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608398198
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

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 29
Current: £4,769 GBP|Low: £687 GBP|High: £4,769 GBP|Avg: £1,818 GBP
Brilliant Earth
Retailer 2
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November 1, 2026
Retailer 7£687 GBP
Retailer 20£748 GBP
Retailer 10£769 GBP
Retailer 3£797 GBP
Retailer 5£797 GBP
Retailer 16£929 GBP
Retailer 4£1,049 GBP
Retailer 8£1,159 GBP
Retailer 2£1,224 GBP
Retailer 11£1,278 GBP
Retailer 13£1,314 GBP
Retailer 17£1,477 GBP
Retailer 19£1,542 GBP
Retailer 21£1,773 GBP
Retailer 9£2,051 GBP
Retailer 6£2,241 GBP
Retailer 12£2,486 GBP
Retailer 14£2,493 GBP
Retailer 18£2,718 GBP
Retailer 15£2,771 GBP
Retailer 22£3,885 GBP
Brilliant Earth£4,769 GBP

37 data points across 22 retailers

21 retailers£687 GBP to £4,769 GBP

A
Cheapest Retailer
-
£687 GBP
$921 USD
A
Retailer 2
-
£748 GBP
$1,002 USD
View
A
Retailer 3
-
£797 GBP
$1,068 USD
View
Retailer 4
-
£797 GBP
$1,068 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£929 GBP
$1,245 USD
View
Retailer 6
-
£1,049 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
£1,159 GBP
$1,553 USD
View
A
Retailer 8
-
£1,224 GBP
View
B+
Retailer 9
-
£1,278 GBP
$1,713 USD
View
A
Retailer 10
-
£1,314 GBP
€1,677 EUR
View
B+
Retailer 11
-
£1,477 GBP
A$3,045 AUD
View
B+
Retailer 12
-
£1,542 GBP
ZAR 33,388 ZAR
View
B+
Retailer 13
-
£1,773 GBP
$2,376 USD
View
B+
Retailer 14
-
£2,051 GBP
$2,748 USD
View
B+
Retailer 15
-
£2,241 GBP
$3,003 USD
View
Retailer 16
-
£2,486 GBP
$3,331 USD
View
Price last confirmed 21 days ago
B+
Retailer 17
-
£2,493 GBP
$3,341 USD
View
B
Retailer 18
-
£2,718 GBP
View
B
Retailer 19
-
£2,771 GBP
$3,713 USD
View
Retailer 20
-
£3,885 GBP
$5,205 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
8717458A · Oct 31
£4,769 GBP
$6,390 USD
View
20 more retailers have this diamond
Prices start from £687 GBPSave up to £4,082 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
£687 GBP