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Round|Lab Grown|IGI

3.50ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG733572574

Shape and cutting style on the report: Round brilliant

Certificate IGI LG733572574

Diamond specifications and retailer prices

From £592 GBP
HK$6,200 HKD
As of October 30, 2026
Save £3,535 GBP (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,127 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG733572574 or 733572574. Listed at 11 retailers as of October 29, 2026, with prices from £592 to £4,127, a £3,535 spread on the same certified stone. Brilliant Earth lists it at £4,127. 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

3.50
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733572574
Dimensions9.80 × 9.72 × 5.94 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
9.80 mm9.72 mm3.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733572574
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.8%

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 30
Current: £4,127 GBP|Low: £546 GBP|High: £4,254 GBP|Avg: £1,325 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8£592 GBP
Retailer 2£661 GBP
Retailer 7£684 GBP
Retailer 5£697 GBP
Retailer 9£864 GBP
Retailer 4£908 GBP
Retailer 10£962 GBP
Retailer 3£1,025 GBP
Retailer 11£1,380 GBP
Retailer 6£1,558 GBP
Retailer 12£1,665 GBP
Brilliant Earth£4,127 GBP

42 data points across 12 retailers

11 retailers£592 GBP to £4,127 GBP

A
Cheapest Retailer
-
£592 GBP
HK$6,200 HKD
B+
Retailer 2
-
£661 GBP
$886 USD
View
A
Retailer 3
-
£684 GBP
€873 EUR
View
A
Retailer 4
-
£697 GBP
View
A
Retailer 5
-
£864 GBP
$1,158 USD
View
B+
Retailer 6
-
£962 GBP
$1,289 USD
View
B+
Retailer 7
-
£1,380 GBP
$1,849 USD
View
B
Retailer 8
-
£1,558 GBP
View
B
Retailer 9
-
£1,596 GBP
CA$2,971 CAD
View
B
Retailer 10
-
£1,665 GBP
$2,231 USD
View
Most Expensive
B
Brilliant Earth
16087042A · Oct 29
£4,127 GBP
$5,530 USD
View
10 more retailers have this diamond
Prices start from £592 GBPSave up to £3,535 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
3.50ct Round
£592 GBP