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Heart|Lab Grown|IGI

1.58ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG671487121

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG671487121

Diamond specifications and retailer prices

From £231 GBP
$308 USD
As of October 28, 2026
Save £846 GBP (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,043 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG671487121 or 671487121. Listed at 18 retailers as of October 28, 2026, with a 366% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671487121
Dimensions7.02 × 8.19 × 4.86 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.02 mm8.19 mm1.58 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671487121
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40°Culet: NoneDepth 59.3%

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 28
Current: £2,043 GBP|Low: £231 GBP|High: £2,103 GBP|Avg: £675 GBP|-2.9%
Brilliant Earth
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
Retailer 17
October 29, 2026
Retailer 17£231 GBP
Retailer 6£253 GBP
Retailer 15£257 GBP
Retailer 16£273 GBP
Retailer 13£375 GBP
Retailer 3£424 GBP
Retailer 11£441 GBP
Retailer 2£450 GBP
Retailer 8£511 GBP
Retailer 7£511 GBP
Retailer 10£596 GBP
Retailer 14£788 GBP
Retailer 9£863 GBP
Retailer 5£987 GBP
Retailer 12£1,030 GBP
Retailer 4£1,077 GBP
Brilliant Earth£2,043 GBP

33 data points across 17 retailers

18 retailers£231 GBP to £1,077 GBP

A
Cheapest Retailer
-
£231 GBP
$308 USD
Final sale: no returns
A
Retailer 2
-
£253 GBP
$337 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
£257 GBP
$342 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
£257 GBP
$342 USD
View
A
Retailer 5
-
£273 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£375 GBP
$500 USD
View
A
Retailer 7
-
£424 GBP
$564 USD
View
A
Retailer 8
-
£441 GBP
ZAR 9,485 ZAR
View
A
Retailer 9
-
£450 GBP
View
B+
Retailer 10
-
£511 GBP
$680 USD
View
B+
Retailer 11
-
£511 GBP
$681 USD
View
B+
Retailer 12
-
£596 GBP
A$1,222 AUD
View
B
Retailer 13
-
£788 GBP
$1,050 USD
View
B
Retailer 14
-
£863 GBP
$1,149 USD
View
B
Retailer 15
-
£987 GBP
$1,314 USD
View
B+
Retailer 16
-
£1,030 GBP
View
B
Retailer 17
-
£1,077 GBP
$1,435 USD
View
Most Expensive
B
Brilliant Earth
12892121A · Oct 16
£2,043 GBP
$2,720 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from £231 GBPSave up to £846 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
1.58ct Heart
£231 GBP