Radiant|Lab Grown|IGI

6.15ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG582385365

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG582385365

Diamond specifications and retailer prices

From £805 GBP
$1,080 USD
As of November 2, 2026
Save £3,391 GBP (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,195 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.15ct lab-grown radiant diamond

This 6.15ct lab-grown radiant 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 LG582385365 or 582385365. Listed at 16 retailers as of November 2, 2026, with prices from £805 to £4,195, a £3,391 spread on the same certified stone. Brilliant Earth lists it at £4,195. 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

6.15
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582385365
Dimensions12.72 × 9.03 × 6.16 mm
L/W Ratio1.41
Culet sizePointed
Top View
12.72 mm9.03 mm6.15 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582385365
Side View
Table 66.0%Crown 41.6°Girdle: MediumPavilion 35.2°Culet: NoneDepth 68.2%

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: Nov 2
Current: £4,195 GBP|Low: £642 GBP|High: £4,330 GBP|Avg: £1,609 GBP|-2.9%
Brilliant Earth
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 6£650 GBP
Retailer 8£666 GBP
Retailer 13£805 GBP
Retailer 2£1,034 GBP
Retailer 16£1,044 GBP
Retailer 5£1,089 GBP
Retailer 10£1,108 GBP
Retailer 11£1,249 GBP
Retailer 12£1,304 GBP
Retailer 14£1,603 GBP
Retailer 15£1,718 GBP
Retailer 3£2,278 GBP
Retailer 4£2,329 GBP
Retailer 7£2,419 GBP
Retailer 9£2,527 GBP
Brilliant Earth£4,195 GBP

40 data points across 16 retailers

16 retailers£805 GBP to £4,195 GBP

Retailer 1
-
£624 GBP
$838 USD
Price last confirmed 36 days ago
Retailer 2
-
£657 GBP
$882 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
£805 GBP
$1,080 USD
View
A
Retailer 4
-
£1,034 GBP
View
A
Retailer 5
-
£1,044 GBP
$1,401 USD
View
B+
Retailer 6
-
£1,089 GBP
$1,462 USD
View
A
Retailer 7
-
£1,108 GBP
€1,416 EUR
View
A
Retailer 8
-
£1,249 GBP
A$2,579 AUD
View
A
Retailer 9
-
£1,304 GBP
ZAR 28,278 ZAR
View
B+
Retailer 10
-
£1,603 GBP
$2,151 USD
View
B+
Retailer 11
-
£1,718 GBP
$2,305 USD
View
B+
Retailer 12
-
£2,278 GBP
$3,057 USD
View
B+
Retailer 13
-
£2,329 GBP
$3,126 USD
View
Retailer 14
-
£2,419 GBP
$3,246 USD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
£2,527 GBP
View
Most Expensive
B
Brilliant Earth
7626403A · Nov 2
£4,195 GBP
$5,630 USD
View
15 more retailers have this diamond
Prices start from £805 GBPSave up to £3,391 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
6.15ct Radiant
£805 GBP