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Heart|Lab Grown|IGI

1.58ct I VS1 Heart Lab Grown Diamond

ID • I/VS1 • IGI LG425067517

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG425067517

Diamond specifications and retailer prices

From £769 GBP
$1,030 USD
As of October 30, 2026
Save £1,908 GBP (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,677 GBP at NZ Jewellers · As of October 29, 2026
View at NZ Jewellers

About this 1.58ct lab-grown heart diamond

This 1.58ct lab-grown heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG425067517 or 425067517. Listed at 12 retailers as of October 29, 2026, with prices from £769 to £2,677, a £1,908 spread on the same certified stone. NZ Jewellers lists it at £2,677. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067517
Dimensions8.24 × 7.04 × 4.73 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.24 mm7.04 mm1.58 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067517
Side View
Table 54.5%Crown 36.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 57.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,677 GBP|Low: £769 GBP|High: £4,134 GBP|Avg: £2,024 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 2£769 GBP
Retailer 10£1,231 GBP
Retailer 13£1,340 GBP
Retailer 3£1,428 GBP
Retailer 11£1,428 GBP
Retailer 4£1,556 GBP
Retailer 5£1,913 GBP
Retailer 6£2,003 GBP
Retailer 12£2,245 GBP
Retailer 9£2,462 GBP
Retailer 7£2,625 GBP
NZ Jewellers£2,677 GBP
Retailer 8£4,100 GBP

28 data points across 13 retailers

12 retailers£769 GBP to £2,677 GBP

B+
Cheapest Retailer
-
£769 GBP
$1,030 USD
B
Retailer 2
-
£1,231 GBP
$1,650 USD
View
B
Retailer 3
-
£1,340 GBP
$1,795 USD
View
Retailer 4
-
£1,428 GBP
$1,913 USD
View
Price last confirmed 19 days ago
B
Retailer 5
-
£1,428 GBP
$1,914 USD
View
B
Retailer 6
-
£1,556 GBP
$2,085 USD
View
B
Retailer 7
-
£2,003 GBP
View
B
Retailer 8
-
£2,245 GBP
$3,008 USD
View
B
Retailer 9
-
£2,462 GBP
$3,299 USD
View
B
Retailer 10
-
£2,625 GBP
ZAR 56,828 ZAR
View
Most Expensive
B
NZ Jewellers
f82a7ff2-7782-451e-9e56-3f0362d22b89 · Oct 29
£2,677 GBP
$3,587 USD
View
10 more retailers have this diamond
Prices start from £769 GBPSave up to £1,908 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+
1.58ct Heart
£769 GBP