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Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG804613909

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804613909

Diamond specifications and retailer prices

From £497 GBP
$662 USD
As of October 29, 2026
Save £2,424 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,037 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG804613909 or 804613909. Listed at 22 retailers as of October 28, 2026, with a 488% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804613909
Dimensions9.79 × 9.75 × 6.01 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
9.79 mm9.75 mm3.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804613909
Side View
Table 55.0%Crown 34.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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: £6,037 GBP|Low: £497 GBP|High: £6,270 GBP|Avg: £1,688 GBP|-3.7%
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
Retailer 15
October 29, 2026
Retailer 15£497 GBP
Retailer 7£556 GBP
Retailer 4£577 GBP
Retailer 10£710 GBP
Retailer 14£826 GBP
Retailer 6£875 GBP
Retailer 2£916 GBP
Retailer 8£925 GBP
Retailer 12£1,310 GBP
Retailer 13£1,346 GBP
Retailer 3£1,863 GBP
Retailer 5£1,943 GBP
Retailer 11£2,432 GBP
Retailer 9£2,921 GBP
Brilliant Earth£6,037 GBP

42 data points across 15 retailers

22 retailers£497 GBP to £2,921 GBP

A
Cheapest Retailer
-
£497 GBP
$662 USD
A
Retailer 2
-
£541 GBP
$720 USD
View
A
Retailer 3
-
£556 GBP
$741 USD
View
Final sale: no returns
A
Retailer 4
-
£577 GBP
$768 USD
View
A
Retailer 5
-
£577 GBP
$768 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£710 GBP
$945 USD
View
A
Retailer 7
-
£826 GBP
$1,100 USD
View
A
Retailer 8
-
£875 GBP
$1,165 USD
View
A
Retailer 9
-
£916 GBP
View
A
Retailer 10
-
£925 GBP
€1,173 EUR
View
B+
Retailer 11
-
£1,310 GBP
A$2,683 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£1,346 GBP
$1,792 USD
View
B+
Retailer 13
-
£1,350 GBP
$1,798 USD
View
B+
Retailer 14
-
£1,420 GBP
$1,891 USD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
£1,621 GBP
$2,159 USD
View
B+
Retailer 16
-
£1,863 GBP
$2,481 USD
View
B
Retailer 17
-
£1,943 GBP
SGD 3,497 SGD
View
B
Retailer 18
-
£1,967 GBP
$2,620 USD
View
B
Retailer 19
-
£1,989 GBP
$2,649 USD
View
B
Retailer 20
-
£2,432 GBP
View
B
Retailer 21
-
£2,921 GBP
$3,890 USD
View
Most Expensive
B
Brilliant Earth
19960970A · Oct 29
£6,037 GBP
$8,040 USD
View
Price under review
21 more retailers have this diamond
Prices start from £497 GBPSave up to £2,424 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
£497 GBP