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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG825664926

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825664926

Diamond specifications and retailer prices

From £159 GBP
$214 USD
As of November 2, 2026
Save £1,368 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,528 GBP at Do Amore Diamonds · As of November 2, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825664926 or 825664926. Listed at 13 retailers as of November 2, 2026, with prices from £159 to £1,528, a £1,368 spread on the same certified stone. Do Amore Diamonds lists it at £1,528. 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 angle40.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825664926
Dimensions6.51 × 7.31 × 4.37 mm
L/W Ratio1.12
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
6.51 mm7.31 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825664926
Side View
Table 57.0%Crown 40.6°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £1,528 GBP|Low: £151 GBP|High: £1,528 GBP|Avg: £531 GBP|+5.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 10£159 GBP
Retailer 14£178 GBP
Retailer 3£185 GBP
Retailer 4£244 GBP
Retailer 2£249 GBP
Retailer 13£271 GBP
Retailer 11£379 GBP
Retailer 9£532 GBP
Retailer 8£574 GBP
Retailer 6£680 GBP
Retailer 12£701 GBP
Retailer 7£874 GBP
Retailer 5£1,073 GBP
Do Amore Diamonds£1,528 GBP

12 data points across 14 retailers

13 retailers£159 GBP to £1,528 GBP

A
Cheapest Retailer
-
£159 GBP
$214 USD
A
Retailer 2
-
£178 GBP
$239 USD
View
Final sale: no returns
A
Retailer 3
-
£185 GBP
$248 USD
View
A
Retailer 4
-
£244 GBP
$327 USD
View
A
Retailer 5
-
£249 GBP
View
B+
Retailer 6
-
£271 GBP
$363 USD
View
B+
Retailer 7
-
£379 GBP
$508 USD
View
B+
Retailer 8
-
£532 GBP
A$1,098 AUD
View
B+
Retailer 9
-
£574 GBP
$770 USD
View
B
Retailer 10
-
£701 GBP
$941 USD
View
B
Retailer 11
-
£874 GBP
View
Retailer 12
-
£1,073 GBP
$1,440 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-0BAFCBEB0 · Nov 2
£1,528 GBP
$2,050 USD
View
12 more retailers have this diamond
Prices start from £159 GBPSave up to £1,368 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