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Round|Lab Grown|IGI

6.58ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG615367411

Shape and cutting style on the report: Round brilliant

Certificate IGI LG615367411

Diamond specifications and retailer prices

From £696 GBP
$932 USD
As of October 29, 2026
Save £4,126 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,821 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.58ct lab-grown round diamond

This 6.58ct 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 LG615367411 or 615367411. Listed at 20 retailers as of October 29, 2026, with prices from £696 to £4,821, a £4,126 spread on the same certified stone. Brilliant Earth lists it at £4,821. 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

6.58
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615367411
Dimensions12.00 × 11.91 × 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
12.00 mm11.91 mm6.58 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615367411
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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: Oct 29
Current: £4,821 GBP|Low: £696 GBP|High: £4,821 GBP|Avg: £1,671 GBP
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 4£696 GBP
Retailer 20£757 GBP
Retailer 8£778 GBP
Retailer 3£807 GBP
Retailer 11£807 GBP
Retailer 15£937 GBP
Retailer 16£1,059 GBP
Retailer 6£1,170 GBP
Retailer 2£1,239 GBP
Retailer 9£1,292 GBP
Retailer 19£1,334 GBP
Retailer 13£1,495 GBP
Retailer 18£1,561 GBP
Retailer 21£1,795 GBP
Retailer 7£2,098 GBP
Retailer 5£2,268 GBP
Retailer 10£2,511 GBP
Retailer 12£2,523 GBP
Retailer 17£2,751 GBP
Retailer 14£2,806 GBP
Brilliant Earth£4,821 GBP

34 data points across 21 retailers

20 retailers£696 GBP to £4,821 GBP

A
Cheapest Retailer
-
£696 GBP
$932 USD
A
Retailer 2
-
£757 GBP
$1,014 USD
View
A
Retailer 3
-
£807 GBP
$1,081 USD
View
Retailer 4
-
£807 GBP
$1,081 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
£937 GBP
$1,255 USD
View
A
Retailer 6
-
£1,059 GBP
View
A
Retailer 7
-
£1,170 GBP
$1,568 USD
View
A
Retailer 8
-
£1,239 GBP
View
B+
Retailer 9
-
£1,292 GBP
$1,731 USD
View
A
Retailer 10
-
£1,334 GBP
€1,702 EUR
View
B+
Retailer 11
-
£1,495 GBP
A$3,081 AUD
View
B+
Retailer 12
-
£1,561 GBP
ZAR 33,787 ZAR
View
B+
Retailer 13
-
£1,795 GBP
$2,405 USD
View
B+
Retailer 14
-
£2,098 GBP
$2,811 USD
View
B+
Retailer 15
-
£2,268 GBP
$3,039 USD
View
Retailer 16
-
£2,511 GBP
$3,365 USD
View
Price last confirmed 21 days ago
B
Retailer 17
-
£2,523 GBP
$3,381 USD
View
B
Retailer 18
-
£2,751 GBP
View
B
Retailer 19
-
£2,806 GBP
$3,759 USD
View
Most Expensive
B
Brilliant Earth
8917783A · Oct 31
£4,821 GBP
$6,460 USD
View
19 more retailers have this diamond
Prices start from £696 GBPSave up to £4,126 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
6.58ct Round
£696 GBP