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Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG841674890

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841674890

Diamond specifications and retailer prices

From £410 GBP
$546 USD
As of October 29, 2026
Save £1,722 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,880 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG841674890 or 841674890. Listed at 20 retailers as of October 29, 2026, with a 420% 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°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841674890
Dimensions9.75 × 9.82 × 5.89 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
9.75 mm9.82 mm3.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841674890
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.1%

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: £2,880 GBP|Low: £410 GBP|High: £2,880 GBP|Avg: £1,094 GBP
Rare Carat
Retailer 2
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October 30, 2026
Retailer 20£410 GBP
Retailer 7£458 GBP
Retailer 18£459 GBP
Retailer 6£508 GBP
Retailer 8£508 GBP
Retailer 2£652 GBP
Retailer 9£691 GBP
Retailer 17£691 GBP
Retailer 5£787 GBP
Retailer 14£789 GBP
Retailer 13£1,073 GBP
Retailer 16£1,104 GBP
Retailer 19£1,311 GBP
Retailer 4£1,321 GBP
Retailer 3£1,337 GBP
Retailer 11£1,637 GBP
Retailer 12£1,649 GBP
Retailer 10£1,725 GBP
Retailer 15£2,132 GBP
Rare Carat£2,880 GBP

20 data points across 20 retailers

20 retailers£410 GBP to £2,132 GBP

A
Cheapest Retailer
-
£410 GBP
$546 USD
A
Retailer 2
-
£458 GBP
$610 USD
View
Final sale: no returns
A
Retailer 3
-
£459 GBP
$611 USD
View
A
Retailer 4
-
£508 GBP
$677 USD
View
Retailer 5
-
£508 GBP
$677 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£652 GBP
View
A
Retailer 7
-
£691 GBP
$920 USD
View
B+
Retailer 8
-
£691 GBP
$920 USD
View
A
Retailer 9
-
£787 GBP
$1,048 USD
View
A
Retailer 10
-
£789 GBP
View
B+
Retailer 11
-
£1,073 GBP
A$2,199 AUD
View
B+
Retailer 12
-
£1,104 GBP
ZAR 23,744 ZAR
View
B+
Retailer 13
-
£1,311 GBP
$1,746 USD
View
B+
Retailer 14
-
£1,321 GBP
$1,759 USD
View
B+
Retailer 15
-
£1,337 GBP
$1,780 USD
View
B+
Retailer 16
-
£1,637 GBP
$2,180 USD
View
B+
Retailer 17
-
£1,649 GBP
$2,196 USD
View
B+
Retailer 18
-
£1,725 GBP
$2,297 USD
View
B
Retailer 19
-
£2,132 GBP
View
Most Expensive
Rare Carat
193712 · Oct 18
£2,880 GBP
$3,835 USD
View
Price last confirmed 12 days ago
19 more retailers have this diamond
Prices start from £410 GBPSave up to £1,722 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
£410 GBP