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Radiant|Lab Grown|IGI

4.15ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG598315968

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

Certificate IGI LG598315968

Diamond specifications and retailer prices

From £443 GBP
$593 USD
As of October 30, 2026
Save £3,177 GBP (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,620 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.15ct lab-grown radiant diamond

This 4.15ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598315968 or 598315968. Listed at 17 retailers as of October 30, 2026, with prices from £443 to £3,620, a £3,177 spread on the same certified stone. Do Amore Diamonds lists it at £3,620. 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

4.15
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598315968
Dimensions11.33 × 7.82 × 5.35 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.33 mm7.82 mm4.15 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598315968
Side View
Table 64.0%Crown 41.9°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 68.4%

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 30
Current: £3,620 GBP|Low: £425 GBP|High: £3,926 GBP|Avg: £1,306 GBP|-7.8%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 7£443 GBP
Retailer 2£457 GBP
Retailer 11£505 GBP
Retailer 13£549 GBP
Retailer 10£615 GBP
Retailer 9£664 GBP
Retailer 14£758 GBP
Retailer 4£1,206 GBP
Retailer 3£1,214 GBP
Retailer 6£1,361 GBP
Retailer 8£1,363 GBP
Retailer 12£1,468 GBP
Retailer 16£1,626 GBP
Retailer 15£1,892 GBP
Retailer 5£2,390 GBP
Do Amore Diamonds£3,620 GBP

31 data points across 16 retailers

17 retailers£443 GBP to £3,620 GBP

A
Cheapest Retailer
-
£443 GBP
$593 USD
A
Retailer 2
-
£457 GBP
$612 USD
View
A
Retailer 3
-
£505 GBP
$677 USD
View
A
Retailer 4
-
£549 GBP
$735 USD
View
Retailer 5
-
£549 GBP
$735 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£615 GBP
View
B+
Retailer 7
-
£664 GBP
$890 USD
View
A
Retailer 8
-
£758 GBP
$1,016 USD
View
B+
Retailer 9
-
£1,206 GBP
ZAR 26,100 ZAR
View
B+
Retailer 10
-
£1,214 GBP
A$2,502 AUD
View
B+
Retailer 11
-
£1,361 GBP
$1,824 USD
View
B+
Retailer 12
-
£1,363 GBP
$1,826 USD
View
B+
Retailer 13
-
£1,468 GBP
$1,967 USD
View
B+
Retailer 14
-
£1,626 GBP
View
B
Retailer 15
-
£1,892 GBP
$2,535 USD
View
B
Retailer 16
-
£2,390 GBP
View
Most Expensive
B
Do Amore Diamonds
27-BBC3A5265 · Nov 1
£3,620 GBP
$4,850 USD
View
16 more retailers have this diamond
Prices start from £443 GBPSave up to £3,177 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
4.15ct Radiant
£443 GBP