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Heart|Lab Grown|IGI

1.23ct F VVS1 Heart Lab Grown Diamond

ID • F/VVS1 • IGI LG836618016

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836618016

Diamond specifications and retailer prices

From £159 GBP
As of November 6, 2026
Save £1,208 GBP (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,367 GBP at Do Amore Diamonds · As of November 6, 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836618016 or 836618016. Listed at 9 retailers as of November 6, 2026, with prices from £159 to £1,367, a £1,208 spread on the same certified stone. Do Amore Diamonds lists it at £1,367. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836618016
Dimensions7.43 × 6.56 × 4.20 mm
L/W Ratio1.13
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
7.43 mm6.56 mm1.23 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836618016
Side View
Table 57.0%Crown 37.8°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 56.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,367 GBP|Low: £159 GBP|High: £1,412 GBP|Avg: £537 GBP|-3.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4£159 GBP
Retailer 3£209 GBP
Retailer 2£237 GBP
Retailer 6£240 GBP
Retailer 7£492 GBP
Retailer 5£508 GBP
Retailer 9£710 GBP
Retailer 8£807 GBP
Do Amore Diamonds£1,367 GBP

17 data points across 9 retailers

9 retailers£159 GBP to £1,367 GBP

A
Cheapest Retailer
-
£159 GBP
Final sale: no returns
A
Retailer 2
-
£209 GBP
View
A
Retailer 3
-
£237 GBP
View
B+
Retailer 4
-
£240 GBP
View
B+
Retailer 5
-
£492 GBP
View
B+
Retailer 6
-
£508 GBP
View
B
Retailer 7
-
£710 GBP
View
B
Retailer 8
-
£807 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8C2C9B58A · Nov 6
£1,367 GBP
$1,830 USD
View
8 more retailers have this diamond
Prices start from £159 GBPSave up to £1,208 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
£159 GBP