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Round|Lab Grown|IGI

3.50ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG804640872

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804640872

Diamond specifications and retailer prices

From £324 GBP
$434 USD
As of October 29, 2026
Save £2,132 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,455 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 LG804640872 or 804640872. Listed at 19 retailers as of October 29, 2026, with prices from £324 to £2,455, a £2,132 spread on the same certified stone. Brilliant Earth lists it at £2,455. 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 angle32.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804640872
Dimensions9.86 × 9.80 × 5.82 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
9.86 mm9.80 mm3.50 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804640872
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

Caratlytics Score

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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 29
Current: £2,455 GBP|Low: £402 GBP|High: £2,455 GBP|Avg: £959 GBP|+0.3%
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
October 30, 2026
Retailer 3£402 GBP
Retailer 6£449 GBP
Retailer 10£508 GBP
Retailer 13£631 GBP
Retailer 2£661 GBP
Retailer 14£696 GBP
Retailer 7£848 GBP
Retailer 4£859 GBP
Retailer 9£872 GBP
Retailer 11£1,126 GBP
Retailer 5£1,315 GBP
Retailer 8£1,483 GBP
Retailer 12£1,503 GBP
Brilliant Earth£2,455 GBP

39 data points across 14 retailers

19 retailers£324 GBP to £2,455 GBP

Retailer 1
-
£324 GBP
$434 USD
Price last confirmed 39 days ago
A
Retailer 2
-
£324 GBP
$434 USD
View
Retailer 3
-
£396 GBP
$531 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
£402 GBP
$538 USD
View
A
Retailer 5
-
£402 GBP
$538 USD
View
A
Retailer 6
-
£508 GBP
$680 USD
View
B+
Retailer 7
-
£631 GBP
$846 USD
View
A
Retailer 8
-
£661 GBP
View
A
Retailer 9
-
£696 GBP
$932 USD
View
A
Retailer 10
-
£848 GBP
A$1,749 AUD
View
A
Retailer 11
-
£859 GBP
$1,151 USD
View
A
Retailer 12
-
£872 GBP
ZAR 18,871 ZAR
View
B+
Retailer 13
-
£1,126 GBP
$1,509 USD
View
Retailer 14
-
£1,291 GBP
$1,730 USD
View
Price last confirmed 39 days ago
B
Retailer 15
-
£1,291 GBP
$1,730 USD
View
B
Retailer 16
-
£1,315 GBP
$1,762 USD
View
B+
Retailer 17
-
£1,483 GBP
View
B
Retailer 18
-
£1,503 GBP
$2,014 USD
View
Most Expensive
B
Brilliant Earth
21394157A · Oct 29
£2,455 GBP
$3,290 USD
View
18 more retailers have this diamond
Prices start from £324 GBPSave up to £2,132 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
£324 GBP