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Heart|Lab Grown|IGI

1.37ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG621415705

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG621415705

Diamond specifications and retailer prices

From £232 GBP
$311 USD
As of October 30, 2026
Save £831 GBP (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,063 GBP at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 1.37ct lab-grown heart diamond

This 1.37ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621415705 or 621415705. Listed at 7 retailers as of October 30, 2026, with prices from £232 to £1,063, a £831 spread on the same certified stone. Michael Trio lists it at £1,063. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621415705
Dimensions6.66 × 7.82 × 4.59 mm
L/W Ratio1.17
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
6.66 mm7.82 mm1.37 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621415705
Side View
Table 55.0%Crown 31.1°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 58.7%

Caratlytics Score

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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: £1,063 GBP|Low: £232 GBP|High: £1,063 GBP|Avg: £500 GBP|+13.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5£232 GBP
Retailer 6£335 GBP
Retailer 3£336 GBP
Retailer 7£363 GBP
Retailer 2£523 GBP
Retailer 4£672 GBP
Michael Trio£1,063 GBP

8 data points across 7 retailers

7 retailers£232 GBP to £1,063 GBP

A
Cheapest Retailer
-
£232 GBP
$311 USD
Final sale: no returns
A
Retailer 2
-
£335 GBP
$449 USD
View
A
Retailer 3
-
£336 GBP
$450 USD
View
B+
Retailer 4
-
£363 GBP
HK$3,800 HKD
View
B+
Retailer 5
-
£523 GBP
A$1,078 AUD
View
B
Retailer 6
-
£672 GBP
A$1,386 AUD
View
Most Expensive
B
Michael Trio
5085948910 · Oct 31
£1,063 GBP
SGD 1,925 SGD
View
6 more retailers have this diamond
Prices start from £232 GBPSave up to £831 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
1.37ct Heart
£232 GBP