Round|Lab Grown|IGI

6.77ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG602368776

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602368776

Diamond specifications and retailer prices

From £784 GBP
$1,050 USD
As of October 29, 2026
Save £2,315 GBP (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £8,575 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.77ct lab-grown round diamond

This 6.77ct 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 LG602368776 or 602368776. Listed at 13 retailers as of October 29, 2026, with a 295% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.77
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602368776
Dimensions12.08 × 12.03 × 7.49 mm
L/W Ratio1.00
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
12.08 mm12.03 mm6.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602368776
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 40.2°Culet: NoneDepth 62.1%

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: Oct 29
Current: £8,575 GBP|Low: £627 GBP|High: £10,068 GBP|Avg: £2,110 GBP|-14.8%
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 30, 2026
Retailer 10£784 GBP
Retailer 3£852 GBP
Retailer 13£878 GBP
Retailer 5£1,127 GBP
Retailer 2£1,193 GBP
Retailer 7£1,385 GBP
Retailer 11£1,449 GBP
Retailer 8£1,452 GBP
Retailer 9£1,683 GBP
Retailer 12£1,704 GBP
Retailer 4£1,899 GBP
Retailer 6£3,098 GBP
Brilliant Earth£8,575 GBP

40 data points across 13 retailers

13 retailers£784 GBP to £3,098 GBP

A
Cheapest Retailer
-
£784 GBP
$1,050 USD
A
Retailer 2
-
£852 GBP
$1,142 USD
View
A
Retailer 3
-
£878 GBP
$1,176 USD
View
Final sale: no returns
A
Retailer 4
-
£1,127 GBP
HK$11,800 HKD
View
A
Retailer 5
-
£1,193 GBP
View
A
Retailer 6
-
£1,385 GBP
€1,768 EUR
View
B+
Retailer 7
-
£1,449 GBP
$1,942 USD
View
B+
Retailer 8
-
£1,452 GBP
$1,945 USD
View
Retailer 9
-
£1,683 GBP
A$3,469 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£1,704 GBP
$2,283 USD
View
B+
Retailer 11
-
£1,899 GBP
$2,545 USD
View
B
Retailer 12
-
£3,098 GBP
View
Most Expensive
Brilliant Earth
15433571A · Oct 30
£8,575 GBP
$11,490 USD
View
Price under review
12 more retailers have this diamond
Prices start from £784 GBPSave up to £2,315 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
6.77ct Round
£784 GBP