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Round|Lab Grown|IGI

6.70ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG602372717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602372717

Diamond specifications and retailer prices

From £715 GBP
$958 USD
As of October 29, 2026
Save £4,196 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,911 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.7ct lab-grown round diamond

This 6.7ct 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 LG602372717 or 602372717. Listed at 23 retailers as of October 29, 2026, with prices from £715 to £4,911, a £4,196 spread on the same certified stone. Brilliant Earth lists it at £4,911. 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 angle35.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602372717
Dimensions11.92 × 12.00 × 7.45 mm
L/W Ratio1.01
Girdle conditionFaceted
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
11.92 mm12.00 mm6.70 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602372717
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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 29
Current: £4,911 GBP|Low: £687 GBP|High: £6,023 GBP|Avg: £1,834 GBP|-18.5%
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
October 31, 2026
Retailer 3£715 GBP
Retailer 4£830 GBP
Retailer 10£959 GBP
Retailer 6£1,089 GBP
Retailer 11£1,163 GBP
Retailer 9£1,237 GBP
Retailer 7£1,275 GBP
Retailer 13£1,536 GBP
Retailer 2£1,552 GBP
Retailer 8£1,605 GBP
Retailer 5£2,573 GBP
Retailer 12£2,818 GBP
Brilliant Earth£4,911 GBP

34 data points across 13 retailers

23 retailers£715 GBP to £4,911 GBP

A
Cheapest Retailer
-
£715 GBP
$958 USD
A
Retailer 2
-
£778 GBP
$1,043 USD
View
A
Retailer 3
-
£800 GBP
$1,072 USD
View
Final sale: no returns
A
Retailer 4
-
£830 GBP
$1,112 USD
View
Retailer 5
-
£830 GBP
$1,112 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£959 GBP
$1,285 USD
View
A
Retailer 7
-
£1,089 GBP
View
B+
Retailer 8
-
£1,163 GBP
$1,558 USD
View
A
Retailer 9
-
£1,195 GBP
$1,601 USD
View
A
Retailer 10
-
£1,237 GBP
€1,578 EUR
View
A
Retailer 11
-
£1,275 GBP
View
Retailer 12
-
£1,536 GBP
A$3,166 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£1,552 GBP
$2,079 USD
View
B+
Retailer 14
-
£1,605 GBP
ZAR 34,750 ZAR
View
B+
Retailer 15
-
£1,980 GBP
$2,653 USD
View
B+
Retailer 16
-
£2,172 GBP
$2,910 USD
View
B+
Retailer 17
-
£2,333 GBP
$3,126 USD
View
B
Retailer 18
-
£2,571 GBP
$3,446 USD
View
B
Retailer 19
-
£2,573 GBP
$3,448 USD
View
B
Retailer 20
-
£2,818 GBP
View
B
Retailer 21
-
£2,888 GBP
$3,870 USD
View
B
Retailer 22
-
£3,899 GBP
$5,224 USD
View
Most Expensive
B
Brilliant Earth
10792810A · Oct 30
£4,911 GBP
$6,580 USD
View
22 more retailers have this diamond
Prices start from £715 GBPSave up to £4,196 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 Round
£715 GBP