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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG836616616

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836616616

Diamond specifications and retailer prices

From £158 GBP
$212 USD
As of November 2, 2026
Save £632 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £790 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836616616 or 836616616. Listed at 17 retailers as of October 29, 2026, with prices from £158 to £790, a £632 spread on the same certified stone. MOH London lists it at £790. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616616
Dimensions6.67 × 7.51 × 4.08 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
6.67 mm7.51 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616616
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 54.3%

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: Nov 2
Current: £790 GBP|Low: £158 GBP|High: £790 GBP|Avg: £426 GBP
MOH London
Retailer 2
Retailer 3
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
November 2, 2026
Retailer 4£158 GBP
Retailer 6£177 GBP
Retailer 17£183 GBP
Retailer 13£196 GBP
Retailer 2£224 GBP
Retailer 16£338 GBP
Retailer 11£339 GBP
Retailer 10£360 GBP
Retailer 14£378 GBP
Retailer 3£448 GBP
Retailer 5£480 GBP
Retailer 15£630 GBP
Retailer 12£633 GBP
Retailer 7£637 GBP
Retailer 8£670 GBP
Retailer 9£670 GBP
MOH London£790 GBP

8 data points across 17 retailers

17 retailers£158 GBP to £790 GBP

A
Cheapest Retailer
-
£158 GBP
$212 USD
A
Retailer 2
-
£177 GBP
$238 USD
View
Final sale: no returns
A
Retailer 3
-
£183 GBP
$246 USD
View
A
Retailer 4
-
£196 GBP
$263 USD
View
A
Retailer 5
-
£224 GBP
View
A
Retailer 6
-
£338 GBP
$453 USD
View
A
Retailer 7
-
£339 GBP
ZAR 7,341 ZAR
View
A
Retailer 8
-
£360 GBP
View
B+
Retailer 9
-
£378 GBP
$507 USD
View
B+
Retailer 10
-
£448 GBP
$601 USD
View
B+
Retailer 11
-
£480 GBP
A$990 AUD
View
B
Retailer 12
-
£630 GBP
$846 USD
View
B
Retailer 13
-
£633 GBP
$849 USD
View
B
Retailer 14
-
£637 GBP
SGD 1,155 SGD
View
B
Retailer 15
-
£670 GBP
$899 USD
View
B
Retailer 16
-
£670 GBP
$899 USD
View
Most Expensive
B
MOH London
LG836616616 · Oct 29
£790 GBP
View
16 more retailers have this diamond
Prices start from £158 GBPSave up to £632 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
£158 GBP