Heart|Lab Grown|IGI

1.20ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG837614692

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837614692

Diamond specifications and retailer prices

From £157 GBP
$211 USD
As of October 30, 2026
Save £910 GBP (85%) vs most expensive(unlock to see where)
19 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 LG837614692 or 837614692. Listed at 19 retailers as of October 30, 2026, with prices from £157 to £1,068, a £910 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 angle33.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837614692
Dimensions6.46 × 7.33 × 4.30 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.46 mm7.33 mm1.20 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837614692
Side View
Table 59.0%Crown 33.9°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 58.7%

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 30
Current: £1,068 GBP|Low: £157 GBP|High: £1,081 GBP|Avg: £467 GBP|-1.2%
Michael Trio
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October 30, 2026
Retailer 2£157 GBP
Retailer 4£176 GBP
Retailer 6£183 GBP
Retailer 15£196 GBP
Retailer 10£196 GBP
Retailer 13£240 GBP
Retailer 12£263 GBP
Retailer 7£335 GBP
Retailer 14£361 GBP
Retailer 3£411 GBP
Retailer 18£432 GBP
Retailer 8£479 GBP
Retailer 19£628 GBP
Retailer 11£633 GBP
Retailer 16£667 GBP
Retailer 5£667 GBP
Retailer 17£726 GBP
Retailer 9£787 GBP
Michael Trio£1,068 GBP

24 data points across 19 retailers

19 retailers£157 GBP to £1,068 GBP

A
Cheapest Retailer
-
£157 GBP
$211 USD
A
Retailer 2
-
£176 GBP
$236 USD
View
Final sale: no returns
A
Retailer 3
-
£183 GBP
$245 USD
View
A
Retailer 4
-
£196 GBP
$262 USD
View
A
Retailer 5
-
£196 GBP
$263 USD
View
A
Retailer 6
-
£240 GBP
View
B+
Retailer 7
-
£263 GBP
$352 USD
View
A
Retailer 8
-
£335 GBP
ZAR 7,261 ZAR
View
B+
Retailer 9
-
£361 GBP
View
B+
Retailer 10
-
£411 GBP
$551 USD
View
B+
Retailer 11
-
£432 GBP
$579 USD
View
B+
Retailer 12
-
£479 GBP
A$988 AUD
View
B+
Retailer 13
-
£628 GBP
$841 USD
View
B
Retailer 14
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£633 GBP
$848 USD
View
B+
Retailer 15
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£667 GBP
$894 USD
View
B+
Retailer 16
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£667 GBP
$894 USD
View
B+
Retailer 17
-
£726 GBP
A$1,496 AUD
View
B+
Retailer 18
-
£787 GBP
View
Most Expensive
B
Michael Trio
1023875506 · Oct 30
£1,068 GBP
SGD 1,933 SGD
View
18 more retailers have this diamond
Prices start from £157 GBPSave up to £910 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
£157 GBP