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Radiant|Lab Grown|IGI

3.43ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG819661622

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

Certificate IGI LG819661622

Diamond specifications and retailer prices

From £758 GBP
$1,015 USD
As of October 29, 2026
Save £3,541 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,299 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.43ct lab-grown radiant diamond

This 3.43ct 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 LG819661622 or 819661622. Listed at 10 retailers as of October 29, 2026, with prices from £758 to £4,299, a £3,541 spread on the same certified stone. Do Amore Diamonds lists it at £4,299. 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

3.43
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819661622
Dimensions10.45 × 7.36 × 4.97 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.45 mm7.36 mm3.43 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819661622
Side View
Table 67.0%Crown 45.3°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 67.5%

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: £4,299 GBP|Low: £272 GBP|High: £4,739 GBP|Avg: £1,539 GBP|-8.0%
Do Amore Diamonds
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 14£381 GBP
Retailer 3£679 GBP
Retailer 10£758 GBP
Retailer 9£793 GBP
Retailer 12£1,020 GBP
Retailer 4£1,159 GBP
Retailer 5£1,392 GBP
Retailer 11£1,498 GBP
Retailer 13£1,505 GBP
Retailer 6£2,356 GBP
Retailer 8£2,449 GBP
Retailer 7£2,993 GBP
Retailer 2£3,172 GBP
Do Amore Diamonds£4,299 GBP

25 data points across 14 retailers

10 retailers£758 GBP to £4,299 GBP

A
Cheapest Retailer
-
£758 GBP
$1,015 USD
A
Retailer 2
-
£793 GBP
$1,063 USD
View
Retailer 3
-
£1,020 GBP
€1,302 EUR
View
Price last confirmed 7 days ago
B+
Retailer 4
-
£1,498 GBP
$2,007 USD
View
B+
Retailer 5
-
£1,505 GBP
$2,016 USD
View
Retailer 6
-
£2,356 GBP
$3,157 USD
View
Price last confirmed 51 days ago
B
Retailer 7
-
£2,449 GBP
View
B
Retailer 8
-
£2,993 GBP
$4,010 USD
View
B
Retailer 9
-
£3,172 GBP
$4,250 USD
View
Most Expensive
B
Do Amore Diamonds
27-1D6A0E9CB · Oct 29
£4,299 GBP
$5,760 USD
View
9 more retailers have this diamond
Prices start from £758 GBPSave up to £3,541 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
3.43ct Radiant
£758 GBP