Radiant|Lab Grown|IGI

6.70ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG598353072

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

Certificate IGI LG598353072

Diamond specifications and retailer prices

From £866 GBP
$1,160 USD
As of October 31, 2026
Save £3,463 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,329 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.7ct lab-grown radiant diamond

This 6.7ct 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 LG598353072 or 598353072. Listed at 17 retailers as of October 31, 2026, with prices from £866 to £4,329, a £3,463 spread on the same certified stone. Brilliant Earth lists it at £4,329. 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

6.70
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598353072
Dimensions13.04 × 9.32 × 6.36 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.04 mm9.32 mm6.70 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598353072
Side View
Table 66.0%Crown 44.3°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.2%

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 31
Current: £4,329 GBP|Low: £699 GBP|High: £4,329 GBP|Avg: £1,662 GBP
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
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Retailer 16
October 31, 2026
Retailer 3£708 GBP
Retailer 6£734 GBP
Retailer 12£866 GBP
Retailer 15£1,117 GBP
Retailer 9£1,118 GBP
Retailer 4£1,181 GBP
Retailer 2£1,207 GBP
Retailer 10£1,359 GBP
Retailer 11£1,419 GBP
Retailer 14£1,686 GBP
Retailer 16£2,018 GBP
Retailer 7£2,295 GBP
Retailer 5£2,319 GBP
Retailer 8£2,542 GBP
Retailer 13£2,753 GBP
Brilliant Earth£4,329 GBP

37 data points across 16 retailers

17 retailers£866 GBP to £4,329 GBP

Retailer 1
-
£680 GBP
$911 USD
Price last confirmed 34 days ago
Retailer 2
-
£715 GBP
$958 USD
View
Price last confirmed 34 days ago
Retailer 3
-
£734 GBP
$983 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
£866 GBP
$1,160 USD
View
A
Retailer 5
-
£1,117 GBP
$1,496 USD
View
A
Retailer 6
-
£1,118 GBP
View
B+
Retailer 7
-
£1,181 GBP
$1,582 USD
View
A
Retailer 8
-
£1,207 GBP
€1,540 EUR
View
A
Retailer 9
-
£1,359 GBP
A$2,802 AUD
View
A
Retailer 10
-
£1,419 GBP
ZAR 30,717 ZAR
View
B+
Retailer 11
-
£1,686 GBP
$2,259 USD
View
B+
Retailer 12
-
£2,018 GBP
$2,704 USD
View
B+
Retailer 13
-
£2,295 GBP
$3,075 USD
View
Retailer 14
-
£2,319 GBP
$3,107 USD
View
Price last confirmed 20 days ago
B+
Retailer 15
-
£2,542 GBP
$3,406 USD
View
B+
Retailer 16
-
£2,753 GBP
View
Most Expensive
B
Brilliant Earth
8204132A · Oct 31
£4,329 GBP
$5,800 USD
View
16 more retailers have this diamond
Prices start from £866 GBPSave up to £3,463 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
6.70ct Radiant
£866 GBP