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Radiant|Lab Grown|IGI

6.16ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG600315430

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

Certificate IGI LG600315430

Diamond specifications and retailer prices

From £582 GBP
$781 USD
As of November 2, 2026
Save £3,621 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,203 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.16ct lab-grown radiant diamond

This 6.16ct 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 LG600315430 or 600315430. Listed at 20 retailers as of October 31, 2026, with prices from £582 to £4,203, a £3,621 spread on the same certified stone. Brilliant Earth lists it at £4,203. 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

6.16
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600315430
Dimensions12.90 × 9.08 × 6.12 mm
L/W Ratio1.42
Culet sizePointed
Top View
12.90 mm9.08 mm6.16 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600315430
Side View
Table 65.0%Crown 45.8°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.4%

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: Nov 2
Current: £4,203 GBP|Low: £575 GBP|High: £4,203 GBP|Avg: £1,473 GBP
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 4£582 GBP
Retailer 20£633 GBP
Retailer 10£651 GBP
Retailer 6£675 GBP
Retailer 22£675 GBP
Retailer 3£727 GBP
Retailer 19£805 GBP
Retailer 2£1,035 GBP
Retailer 8£1,045 GBP
Retailer 11£1,091 GBP
Retailer 16£1,110 GBP
Retailer 17£1,251 GBP
Retailer 18£1,306 GBP
Retailer 21£1,606 GBP
Retailer 9£1,722 GBP
Retailer 5£1,899 GBP
Retailer 12£2,166 GBP
Retailer 14£2,283 GBP
Retailer 15£2,333 GBP
Retailer 13£2,531 GBP
Retailer 7£3,052 GBP
Brilliant Earth£4,203 GBP

36 data points across 22 retailers

20 retailers£582 GBP to £4,203 GBP

A
Cheapest Retailer
-
£582 GBP
$781 USD
A
Retailer 2
-
£633 GBP
$850 USD
View
A
Retailer 3
-
£675 GBP
$906 USD
View
Retailer 4
-
£675 GBP
$906 USD
View
Price last confirmed 16 days ago
Retailer 5
-
£727 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
£805 GBP
$1,080 USD
View
A
Retailer 7
-
£1,035 GBP
View
A
Retailer 8
-
£1,045 GBP
$1,402 USD
View
B+
Retailer 9
-
£1,091 GBP
$1,464 USD
View
A
Retailer 10
-
£1,110 GBP
€1,418 EUR
View
A
Retailer 11
-
£1,251 GBP
A$2,583 AUD
View
A
Retailer 12
-
£1,306 GBP
ZAR 28,323 ZAR
View
B+
Retailer 13
-
£1,606 GBP
$2,155 USD
View
B+
Retailer 14
-
£1,722 GBP
$2,311 USD
View
B+
Retailer 15
-
£1,899 GBP
$2,548 USD
View
Retailer 16
-
£2,166 GBP
$2,906 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
£2,283 GBP
$3,063 USD
View
B+
Retailer 18
-
£2,333 GBP
$3,131 USD
View
B+
Retailer 19
-
£2,531 GBP
View
Most Expensive
B
Brilliant Earth
8229660A · Oct 31
£4,203 GBP
$5,640 USD
View
19 more retailers have this diamond
Prices start from £582 GBPSave up to £3,621 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
6.16ct Radiant
£582 GBP