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Round|Lab Grown|IGI

7.85ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG596344360

Shape and cutting style on the report: Round brilliant

Certificate IGI LG596344360

Diamond specifications and retailer prices

From £1,165 GBP
$1,564 USD
As of November 1, 2026
Save £2,814 GBP (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,979 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 7.85ct lab-grown round diamond

This 7.85ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG596344360 or 596344360. Listed at 14 retailers as of November 1, 2026, with prices from £1,165 to £3,979, a £2,814 spread on the same certified stone. Rare Carat lists it at £3,979. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

7.85
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596344360
Dimensions12.81 × 12.77 × 7.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.81 mm12.77 mm7.85 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596344360
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.0%

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: £3,979 GBP|Low: £736 GBP|High: £4,325 GBP|Avg: £1,928 GBP|-8.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11£736 GBP
Retailer 4£762 GBP
Retailer 12£1,165 GBP
Retailer 2£1,168 GBP
Retailer 5£1,218 GBP
Retailer 9£1,224 GBP
Retailer 7£1,254 GBP
Retailer 8£1,695 GBP
Retailer 6£2,870 GBP
Retailer 3£3,137 GBP
Retailer 10£3,800 GBP
Rare Carat£3,979 GBP

35 data points across 12 retailers

14 retailers£1,165 GBP to £3,979 GBP

Retailer 1
-
£657 GBP
$881 USD
Price last confirmed 40 days ago
Retailer 2
-
£715 GBP
$959 USD
View
Price last confirmed 40 days ago
Retailer 3
-
£751 GBP
$1,008 USD
View
Price last confirmed 36 days ago
B+
Retailer 4
-
£1,165 GBP
$1,564 USD
View
A
Retailer 5
-
£1,168 GBP
View
B+
Retailer 6
-
£1,218 GBP
$1,635 USD
View
B+
Retailer 7
-
£1,224 GBP
$1,642 USD
View
B+
Retailer 8
-
£1,254 GBP
€1,603 EUR
View
B
Retailer 9
-
£1,695 GBP
$2,274 USD
View
Retailer 10
-
£2,142 GBP
$2,874 USD
View
Price last confirmed 37 days ago
B
Retailer 11
-
£2,870 GBP
View
B
Retailer 12
-
£3,137 GBP
$4,210 USD
View
B
Retailer 13
-
£3,800 GBP
$5,100 USD
View
Most Expensive
B
Rare Carat
425689 · Nov 1
£3,979 GBP
$5,340 USD
View
13 more retailers have this diamond
Prices start from £1,165 GBPSave up to £2,814 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
7.85ct Round
£1,165 GBP