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Radiant|Lab Grown|IGI

3.50ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG694576126

Shape and cutting style on the report: Cut cornered square modified brilliant

Certificate IGI LG694576126

Diamond specifications and retailer prices

From £509 GBP
HK$5,300 HKD
As of October 30, 2026
Save £4,402 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,911 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown radiant diamond

This 3.5ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG694576126 or 694576126. Listed at 10 retailers as of October 29, 2026, with prices from £509 to £4,911, a £4,402 spread on the same certified stone. Brilliant Earth lists it at £4,911. 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
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694576126
Dimensions8.36 × 8.23 × 5.53 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.36 mm8.23 mm3.50 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694576126
Side View
Table 62.0%Crown 45.8°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 67.2%

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: £4,911 GBP|Low: £509 GBP|High: £5,061 GBP|Avg: £1,646 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 19, 2026
Retailer 12£509 GBP
Retailer 11£662 GBP
Retailer 5£681 GBP
Retailer 10£957 GBP
Retailer 6£1,135 GBP
Retailer 9£1,485 GBP
Retailer 8£1,514 GBP
Retailer 3£1,526 GBP
Retailer 4£1,762 GBP
Retailer 7£1,868 GBP
Retailer 2£2,534 GBP
Brilliant Earth£4,911 GBP

16 data points across 12 retailers

10 retailers£509 GBP to £4,911 GBP

A
Cheapest Retailer
-
£509 GBP
HK$5,300 HKD
B+
Retailer 2
-
£662 GBP
$882 USD
View
A
Retailer 3
-
£681 GBP
€864 EUR
View
A
Retailer 4
-
£957 GBP
$1,274 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,135 GBP
$1,512 USD
View
B+
Retailer 6
-
£1,485 GBP
SGD 2,672 SGD
View
B+
Retailer 7
-
£1,514 GBP
$2,016 USD
View
Retailer 8
-
£1,868 GBP
A$3,828 AUD
View
Price last confirmed 22 days ago
Retailer 9
-
£2,534 GBP
$3,375 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
17805055A · Oct 29
£4,911 GBP
$6,540 USD
View
9 more retailers have this diamond
Prices start from £509 GBPSave up to £4,402 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 Radiant
£509 GBP