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Round|Lab Grown|IGI

9.01ct G SI1 Round Lab Grown Diamond

VG • G/SI1 • IGI LG778674596

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778674596

Diamond specifications and retailer prices

From £894 GBP
$1,198 USD
As of October 26, 2026
Save £3,472 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,366 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 9.01ct lab-grown round diamond

This 9.01ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG778674596 or 778674596. Listed at 12 retailers as of October 26, 2026, with prices from £894 to £4,366, a £3,472 spread on the same certified stone. Brilliant Earth lists it at £4,366. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

9.01
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778674596
Dimensions13.57 × 13.46 × 7.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.57 mm13.46 mm9.01 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778674596
Side View
Table 63.0%Crown 31.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 58.2%

Caratlytics Score

How it works →
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 26
Current: £4,366 GBP|Low: £822 GBP|High: £8,829 GBP|Avg: £2,198 GBP|-50.5%
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 4£894 GBP
Retailer 13£972 GBP
Retailer 5£1,001 GBP
Retailer 11£1,037 GBP
Retailer 7£1,052 GBP
Retailer 6£1,164 GBP
Retailer 8£1,490 GBP
Retailer 3£1,645 GBP
Retailer 2£1,834 GBP
Retailer 12£1,943 GBP
Retailer 10£3,335 GBP
Retailer 9£4,166 GBP
Brilliant Earth£4,366 GBP

41 data points across 13 retailers

12 retailers£894 GBP to £4,366 GBP

A
Cheapest Retailer
-
£894 GBP
$1,198 USD
Retailer 2
-
£972 GBP
$1,303 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£1,037 GBP
$1,389 USD
View
A
Retailer 4
-
£1,052 GBP
View
A
Retailer 5
-
£1,164 GBP
$1,560 USD
View
B+
Retailer 6
-
£1,490 GBP
View
B
Retailer 7
-
£1,645 GBP
$2,204 USD
View
B+
Retailer 8
-
£1,834 GBP
$2,457 USD
View
B
Retailer 9
-
£1,943 GBP
$2,604 USD
View
B
Retailer 10
-
£3,335 GBP
View
B
Retailer 11
-
£4,166 GBP
$5,582 USD
View
Most Expensive
B
Brilliant Earth
18686868A · Oct 30
£4,366 GBP
$5,850 USD
View
11 more retailers have this diamond
Prices start from £894 GBPSave up to £3,472 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
9.01ct Round
£894 GBP