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Heart|Lab Grown|IGI

1.23ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG836612394

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836612394

Diamond specifications and retailer prices

From £167 GBP
$224 USD
As of October 30, 2026
Save £1,266 GBP (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,433 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown heart diamond

This 1.23ct 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 LG836612394 or 836612394. Listed at 10 retailers as of October 30, 2026, with prices from £167 to £1,433, a £1,266 spread on the same certified stone. Do Amore Diamonds lists it at £1,433. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612394
Dimensions7.31 × 6.68 × 4.23 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.31 mm6.68 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612394
Side View
Table 57.0%Crown 37.2°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 57.9%

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: £1,433 GBP|Low: £167 GBP|High: £1,433 GBP|Avg: £483 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7£167 GBP
Retailer 8£222 GBP
Retailer 4£251 GBP
Retailer 9£252 GBP
Retailer 2£333 GBP
Retailer 6£500 GBP
Retailer 3£537 GBP
Retailer 5£825 GBP
Do Amore Diamonds£1,433 GBP

10 data points across 9 retailers

10 retailers£167 GBP to £1,433 GBP

A
Cheapest Retailer
-
£167 GBP
$224 USD
Final sale: no returns
A
Retailer 2
-
£222 GBP
$298 USD
View
A
Retailer 3
-
£251 GBP
View
B+
Retailer 4
-
£252 GBP
$337 USD
View
A
Retailer 5
-
£333 GBP
€425 EUR
View
B+
Retailer 6
-
£500 GBP
A$1,031 AUD
View
B+
Retailer 7
-
£537 GBP
$719 USD
View
B
Retailer 8
-
£791 GBP
$1,060 USD
View
B
Retailer 9
-
£825 GBP
View
Most Expensive
B
Do Amore Diamonds
27-20B64335B · Oct 31
£1,433 GBP
$1,920 USD
View
9 more retailers have this diamond
Prices start from £167 GBPSave up to £1,266 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
1.23ct Heart
£167 GBP