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Round|Lab Grown|IGI

9.00ct F SI1 Round Lab Grown Diamond

VG • F/SI1 • IGI LG801654232

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801654232

Diamond specifications and retailer prices

From £1,173 GBP
HK$12,300 HKD
As of November 1, 2026
Save £4,311 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,485 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 9ct lab-grown round diamond

This 9ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG801654232 or 801654232. Listed at 17 retailers as of November 1, 2026, with prices from £1,173 to £5,485, a £4,311 spread on the same certified stone. Brilliant Earth lists it at £5,485. 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

9.00
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801654232
Dimensions13.40 × 13.22 × 8.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.40 mm13.22 mm9.00 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG801654232
Side View
Table 60.0%Crown 33.7°Girdle: STK-THKPavilion 40°Culet: NoneDepth 59.9%

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: £5,485 GBP|Low: £846 GBP|High: £9,270 GBP|Avg: £2,236 GBP|-40.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 7£882 GBP
Retailer 4£959 GBP
Retailer 8£987 GBP
Retailer 18£1,022 GBP
Retailer 9£1,151 GBP
Retailer 12£1,173 GBP
Retailer 14£1,220 GBP
Retailer 5£1,386 GBP
Retailer 15£1,469 GBP
Retailer 11£1,543 GBP
Retailer 6£1,622 GBP
Retailer 2£1,829 GBP
Retailer 3£1,916 GBP
Retailer 16£3,163 GBP
Retailer 17£3,289 GBP
Retailer 13£3,385 GBP
Retailer 10£4,214 GBP
Brilliant Earth£5,485 GBP

32 data points across 18 retailers

17 retailers£1,173 GBP to £5,485 GBP

Retailer 1
-
£882 GBP
$1,183 USD
Price last confirmed 7 days ago
Retailer 2
-
£959 GBP
$1,287 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£1,022 GBP
$1,372 USD
View
Price last confirmed 9 days ago
Retailer 4
-
£1,151 GBP
$1,545 USD
View
Price last confirmed 6 days ago
A
Retailer 5
-
£1,173 GBP
HK$12,300 HKD
View
Retailer 6
-
£1,220 GBP
View
Price last confirmed 7 days ago
Retailer 7
-
£1,386 GBP
$1,860 USD
View
Price last confirmed 7 days ago
Retailer 8
-
£1,469 GBP
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£1,543 GBP
€1,972 EUR
View
Retailer 10
-
£1,622 GBP
$2,177 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£1,829 GBP
$2,455 USD
View
Retailer 12
-
£1,916 GBP
$2,571 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
£3,163 GBP
$4,244 USD
View
Retailer 14
-
£3,289 GBP
View
Price last confirmed 7 days ago
B
Retailer 15
-
£3,385 GBP
SGD 6,138 SGD
View
Retailer 16
-
£4,214 GBP
$5,655 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
19775917A · Nov 2
£5,485 GBP
$7,360 USD
View
16 more retailers have this diamond
Prices start from £1,173 GBPSave up to £4,311 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
9.00ct Round
£1,173 GBP