CaratHunter
Plans
Round|Lab Grown|IGI

6.59ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG614315706

Shape and cutting style on the report: Round brilliant

Certificate IGI LG614315706

Diamond specifications and retailer prices

From £696 GBP
$933 USD
As of October 29, 2026
Save £4,132 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,829 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.59ct lab-grown round diamond

This 6.59ct 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 LG614315706 or 614315706. Listed at 20 retailers as of October 29, 2026, with prices from £696 to £4,829, a £4,132 spread on the same certified stone. Brilliant Earth lists it at £4,829. 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

6.59
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614315706
Dimensions12.08 × 12.11 × 7.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
12.08 mm12.11 mm6.59 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614315706
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.5%

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: Oct 29
Current: £4,829 GBP|Low: £696 GBP|High: £4,829 GBP|Avg: £1,699 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 6£696 GBP
Retailer 19£758 GBP
Retailer 9£779 GBP
Retailer 4£808 GBP
Retailer 21£808 GBP
Retailer 15£940 GBP
Retailer 3£1,063 GBP
Retailer 7£1,172 GBP
Retailer 16£1,230 GBP
Retailer 10£1,295 GBP
Retailer 2£1,333 GBP
Retailer 13£1,497 GBP
Retailer 18£1,563 GBP
Retailer 20£1,797 GBP
Retailer 8£2,103 GBP
Retailer 5£2,271 GBP
Retailer 11£2,514 GBP
Retailer 12£2,527 GBP
Retailer 17£2,754 GBP
Retailer 14£2,810 GBP
Brilliant Earth£4,829 GBP

36 data points across 21 retailers

20 retailers£696 GBP to £4,829 GBP

A
Cheapest Retailer
-
£696 GBP
$933 USD
A
Retailer 2
-
£758 GBP
$1,015 USD
View
A
Retailer 3
-
£808 GBP
$1,082 USD
View
Retailer 4
-
£808 GBP
$1,082 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£940 GBP
$1,260 USD
View
Retailer 6
-
£1,063 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£1,172 GBP
$1,570 USD
View
A
Retailer 8
-
£1,230 GBP
View
B+
Retailer 9
-
£1,295 GBP
$1,735 USD
View
A
Retailer 10
-
£1,333 GBP
€1,701 EUR
View
B+
Retailer 11
-
£1,497 GBP
A$3,086 AUD
View
B+
Retailer 12
-
£1,563 GBP
ZAR 33,836 ZAR
View
B+
Retailer 13
-
£1,797 GBP
$2,408 USD
View
B+
Retailer 14
-
£2,103 GBP
$2,818 USD
View
B+
Retailer 15
-
£2,271 GBP
$3,043 USD
View
Retailer 16
-
£2,514 GBP
$3,369 USD
View
Price last confirmed 21 days ago
B
Retailer 17
-
£2,527 GBP
$3,386 USD
View
B
Retailer 18
-
£2,754 GBP
View
B
Retailer 19
-
£2,810 GBP
$3,765 USD
View
Most Expensive
B
Brilliant Earth
8850644A · Oct 31
£4,829 GBP
$6,470 USD
View
19 more retailers have this diamond
Prices start from £696 GBPSave up to £4,132 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
6.59ct Round
£696 GBP