Radiant|Lab Grown|IGI

6.81ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG589390839

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

Certificate IGI LG589390839

Diamond specifications and retailer prices

From £719 GBP
$964 USD
As of November 1, 2026
Save £3,766 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,485 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.81ct lab-grown radiant diamond

This 6.81ct 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 LG589390839 or 589390839. Listed at 19 retailers as of October 31, 2026, with prices from £719 to £4,485, a £3,766 spread on the same certified stone. Brilliant Earth lists it at £4,485. 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

6.81
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589390839
Dimensions13.09 × 9.34 × 6.40 mm
L/W Ratio1.40
Culet sizePointed
Top View
13.09 mm9.34 mm6.81 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589390839
Side View
Table 66.0%Crown 45°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.5%

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: Nov 1
Current: £4,485 GBP|Low: £711 GBP|High: £4,642 GBP|Avg: £1,806 GBP|-2.3%
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
Retailer 17
November 2, 2026
Retailer 3£719 GBP
Retailer 9£853 GBP
Retailer 12£877 GBP
Retailer 17£1,131 GBP
Retailer 2£1,146 GBP
Retailer 6£1,197 GBP
Retailer 11£1,226 GBP
Retailer 13£1,381 GBP
Retailer 14£1,442 GBP
Retailer 15£1,713 GBP
Retailer 16£2,082 GBP
Retailer 4£2,332 GBP
Retailer 7£2,354 GBP
Retailer 5£2,584 GBP
Retailer 8£2,633 GBP
Retailer 10£2,793 GBP
Brilliant Earth£4,485 GBP

38 data points across 17 retailers

19 retailers£719 GBP to £4,485 GBP

Retailer 1
-
£690 GBP
$925 USD
Price last confirmed 35 days ago
A
Retailer 2
-
£719 GBP
$964 USD
View
Final sale: no returns
Retailer 3
-
£726 GBP
$973 USD
View
Price last confirmed 35 days ago
Retailer 4
-
£853 GBP
$1,143 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
£877 GBP
$1,175 USD
View
A
Retailer 6
-
£1,131 GBP
$1,515 USD
View
A
Retailer 7
-
£1,146 GBP
View
B+
Retailer 8
-
£1,197 GBP
$1,604 USD
View
A
Retailer 9
-
£1,226 GBP
€1,565 EUR
View
A
Retailer 10
-
£1,381 GBP
A$2,846 AUD
View
A
Retailer 11
-
£1,442 GBP
ZAR 31,204 ZAR
View
A
Retailer 12
-
£1,713 GBP
$2,295 USD
View
B+
Retailer 13
-
£2,082 GBP
$2,789 USD
View
B+
Retailer 14
-
£2,332 GBP
$3,124 USD
View
Retailer 15
-
£2,354 GBP
View
Price last confirmed 21 days ago
B+
Retailer 16
-
£2,584 GBP
$3,462 USD
View
Retailer 17
-
£2,633 GBP
$3,528 USD
View
Price last confirmed 22 days ago
B+
Retailer 18
-
£2,793 GBP
View
Most Expensive
B
Brilliant Earth
7715835A · Oct 31
£4,485 GBP
$6,010 USD
View
18 more retailers have this diamond
Prices start from £719 GBPSave up to £3,766 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
6.81ct Radiant
£719 GBP