Round|Lab Grown|IGI

3.50ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG756583692

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756583692

Diamond specifications and retailer prices

From £321 GBP
$430 USD
As of October 29, 2026
Save £1,168 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,489 GBP at Brilliance · As of October 30, 2026
View at Brilliance

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 LG756583692 or 756583692. Listed at 17 retailers as of October 29, 2026, with prices from £321 to £1,489, a £1,168 spread on the same certified stone. Brilliance lists it at £1,489. 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 angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756583692
Dimensions9.74 × 9.77 × 6.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.74 mm9.77 mm3.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756583692
Side View
Table 56.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

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 29
Current: £1,489 GBP|Low: £321 GBP|High: £4,575 GBP|Avg: £1,126 GBP
Brilliance
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
October 31, 2026
Retailer 14£321 GBP
Retailer 9£360 GBP
Retailer 19£398 GBP
Retailer 3£439 GBP
Retailer 16£508 GBP
Retailer 12£533 GBP
Retailer 6£626 GBP
Retailer 17£629 GBP
Retailer 18£639 GBP
Retailer 13£654 GBP
Retailer 15£837 GBP
Retailer 4£858 GBP
Retailer 5£864 GBP
Retailer 2£1,116 GBP
Retailer 7£1,279 GBP
Retailer 8£1,303 GBP
Brilliance£1,489 GBP
Retailer 10£2,384 GBP
Retailer 11£4,575 GBP

5 data points across 19 retailers

17 retailers£321 GBP to £1,489 GBP

A
Cheapest Retailer
-
£321 GBP
$430 USD
A
Retailer 2
-
£360 GBP
$482 USD
View
A
Retailer 3
-
£398 GBP
$533 USD
View
A
Retailer 4
-
£439 GBP
HK$4,600 HKD
View
A
Retailer 5
-
£508 GBP
$680 USD
View
A
Retailer 6
-
£533 GBP
View
B+
Retailer 7
-
£626 GBP
$839 USD
View
A
Retailer 8
-
£629 GBP
€803 EUR
View
A
Retailer 9
-
£639 GBP
$856 USD
View
A
Retailer 10
-
£654 GBP
View
A
Retailer 11
-
£837 GBP
A$1,726 AUD
View
A
Retailer 12
-
£858 GBP
$1,149 USD
View
A
Retailer 13
-
£864 GBP
ZAR 18,695 ZAR
View
B+
Retailer 14
-
£1,116 GBP
$1,495 USD
View
B
Retailer 15
-
£1,279 GBP
$1,714 USD
View
B+
Retailer 16
-
£1,303 GBP
$1,746 USD
View
Most Expensive
B
Brilliance
D46428639 · Oct 30
£1,489 GBP
$1,995 USD
View
16 more retailers have this diamond
Prices start from £321 GBPSave up to £1,168 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
£321 GBP