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Round|Lab Grown|IGI

3.50ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG841657414

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841657414

Diamond specifications and retailer prices

From £356 GBP
$477 USD
As of October 29, 2026
Save £1,913 GBP (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,269 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 LG841657414 or 841657414. Listed at 12 retailers as of October 29, 2026, with prices from £356 to £2,269, a £1,913 spread on the same certified stone. Brilliant Earth lists it at £2,269. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841657414
Dimensions9.86 × 9.82 × 5.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.86 mm9.82 mm3.50 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841657414
Side View
Table 62.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.7%

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: £2,269 GBP|Low: £342 GBP|High: £2,336 GBP|Avg: £1,085 GBP|-2.9%
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 11£356 GBP
Retailer 10£487 GBP
Retailer 2£592 GBP
Retailer 4£690 GBP
Retailer 7£690 GBP
Retailer 12£883 GBP
Retailer 5£933 GBP
Retailer 9£1,187 GBP
Retailer 3£1,397 GBP
Retailer 6£1,631 GBP
Retailer 8£1,739 GBP
Brilliant Earth£2,269 GBP

22 data points across 12 retailers

12 retailers£356 GBP to £2,269 GBP

A
Cheapest Retailer
-
£356 GBP
$477 USD
A
Retailer 2
-
£487 GBP
HK$5,100 HKD
View
A
Retailer 3
-
£592 GBP
View
B+
Retailer 4
-
£690 GBP
$924 USD
View
B+
Retailer 5
-
£690 GBP
$925 USD
View
B+
Retailer 6
-
£883 GBP
$1,183 USD
View
B+
Retailer 7
-
£933 GBP
A$1,923 AUD
View
B
Retailer 8
-
£1,187 GBP
$1,591 USD
View
B+
Retailer 9
-
£1,397 GBP
SGD 2,530 SGD
View
B
Retailer 10
-
£1,631 GBP
View
Retailer 11
-
£1,739 GBP
$2,330 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21611756A · Oct 29
£2,269 GBP
$3,040 USD
View
11 more retailers have this diamond
Prices start from £356 GBPSave up to £1,913 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
£356 GBP