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Heart|Lab Grown|IGI

3.20ct I VS1 Heart Lab Grown Diamond

EX • I/VS1 • IGI LG480159247

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG480159247

Diamond specifications and retailer prices

From £2,388 GBP
$3,205 USD
As of November 2, 2026
Save £1,914 GBP (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £6,432 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.2ct lab-grown heart diamond

This 3.2ct lab-grown heart sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG480159247 or 480159247. Listed at 9 retailers as of November 1, 2026, with a 80% 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

3.20
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480159247
Dimensions8.94 × 10.40 × 5.89 mm
L/W Ratio1.16
Girdle conditionFaceted
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
8.94 mm10.40 mm3.20 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480159247
Side View
Table 56.5%Crown 36.1°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 56.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £6,432 GBP|Low: £2,293 GBP|High: £7,117 GBP|Avg: £3,709 GBP|+1.9%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4£2,388 GBP
Retailer 10£2,503 GBP
Retailer 8£2,598 GBP
Retailer 5£2,771 GBP
Retailer 9£2,776 GBP
Retailer 3£2,888 GBP
Retailer 7£3,462 GBP
Retailer 11£3,570 GBP
Retailer 6£4,302 GBP
Cape Diamonds£6,432 GBP
Retailer 2£7,023 GBP

16 data points across 11 retailers

9 retailers£2,388 GBP to £4,302 GBP

B
Cheapest Retailer
-
£2,388 GBP
$3,205 USD
B
Retailer 2
-
£2,503 GBP
$3,359 USD
View
B
Retailer 3
-
£2,598 GBP
$3,487 USD
View
B
Retailer 4
-
£2,771 GBP
$3,718 USD
View
B
Retailer 5
-
£2,776 GBP
CA$5,174 CAD
View
B
Retailer 6
-
£3,462 GBP
$4,646 USD
View
B
Retailer 7
-
£4,302 GBP
$5,773 USD
View
Most Expensive
Cape Diamonds
cert_480159247 · Oct 29
£6,432 GBP
ZAR 139,448 ZAR
View
Price under review
7 more retailers have this diamond
Prices start from £2,388 GBPSave up to £1,914 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.

B
3.20ct Heart
£2,388 GBP