Heart|Lab Grown|IGI

1.20ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG834606487

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG834606487

Diamond specifications and retailer prices

From £176 GBP
$236 USD
As of October 30, 2026
Save £891 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,068 GBP at Michael Trio · As of October 30, 2026
View at Michael Trio

About this 1.2ct lab-grown heart diamond

This 1.2ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG834606487 or 834606487. Listed at 14 retailers as of October 30, 2026, with prices from £176 to £1,068, a £891 spread on the same certified stone. Michael Trio lists it at £1,068. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834606487
Dimensions7.25 × 6.53 × 4.25 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.25 mm6.53 mm1.20 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834606487
Side View
Table 61.0%Crown 35.3°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 58.6%

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: £1,068 GBP|Low: £176 GBP|High: £1,081 GBP|Avg: £494 GBP|-1.2%
Michael Trio
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
October 31, 2026
Retailer 8£176 GBP
Retailer 10£240 GBP
Retailer 9£263 GBP
Retailer 14£319 GBP
Retailer 3£337 GBP
Retailer 2£358 GBP
Retailer 12£411 GBP
Retailer 4£479 GBP
Retailer 7£630 GBP
Retailer 11£667 GBP
Retailer 13£667 GBP
Retailer 6£731 GBP
Retailer 5£787 GBP
Michael Trio£1,068 GBP

23 data points across 14 retailers

14 retailers£176 GBP to £1,068 GBP

A
Cheapest Retailer
-
£176 GBP
$236 USD
Final sale: no returns
A
Retailer 2
-
£240 GBP
View
B+
Retailer 3
-
£263 GBP
$352 USD
View
A
Retailer 4
-
£319 GBP
€407 EUR
View
A
Retailer 5
-
£337 GBP
ZAR 7,293 ZAR
View
A
Retailer 6
-
£358 GBP
View
B+
Retailer 7
-
£411 GBP
$551 USD
View
B+
Retailer 8
-
£479 GBP
A$988 AUD
View
B
Retailer 9
-
£630 GBP
$844 USD
View
B+
Retailer 10
-
£667 GBP
$894 USD
View
B+
Retailer 11
-
£667 GBP
$894 USD
View
B
Retailer 12
-
£731 GBP
A$1,507 AUD
View
B
Retailer 13
-
£787 GBP
View
Most Expensive
B
Michael Trio
2440592080 · Oct 30
£1,068 GBP
SGD 1,933 SGD
View
13 more retailers have this diamond
Prices start from £176 GBPSave up to £891 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
1.20ct Heart
£176 GBP