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Heart|Lab Grown|IGI

1.23ct D VVS2 Heart Lab Grown Diamond

EX • D/VVS2 • IGI LG656490956

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG656490956

Diamond specifications and retailer prices

From £168 GBP
$226 USD
As of November 2, 2026
Save £782 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £950 GBP at Reve Diamonds · As of November 1, 2026
View at Reve 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG656490956 or 656490956. Listed at 18 retailers as of November 1, 2026, with prices from £168 to £950, a £782 spread on the same certified stone. Reve Diamonds lists it at £950. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656490956
Dimensions6.82 × 7.31 × 4.44 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
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
6.82 mm7.31 mm1.23 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656490956
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £510 GBP|Low: £162 GBP|High: £845 GBP|Avg: £355 GBP|+0.6%
Retailer 1
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 14£168 GBP
Retailer 6£188 GBP
Retailer 3£195 GBP
Retailer 2£209 GBP
Retailer 4£209 GBP
Retailer 7£273 GBP
Retailer 12£282 GBP
Retailer 13£350 GBP
Retailer 9£360 GBP
Retailer 5£388 GBP
Retailer 8£389 GBP
Retailer 1£510 GBP
Retailer 11£531 GBP
Retailer 10£836 GBP

43 data points across 14 retailers

18 retailers£168 GBP to £950 GBP

A
Cheapest Retailer
-
£168 GBP
$226 USD
A
Retailer 2
-
£188 GBP
$252 USD
View
Final sale: no returns
A
Retailer 3
-
£195 GBP
$262 USD
View
A
Retailer 4
-
£209 GBP
$280 USD
View
Retailer 5
-
£209 GBP
$280 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£273 GBP
View
A
Retailer 7
-
£282 GBP
$378 USD
View
B+
Retailer 8
-
£360 GBP
ZAR 7,802 ZAR
View
B+
Retailer 9
-
£388 GBP
$521 USD
View
B+
Retailer 10
-
£389 GBP
View
B+
Retailer 11
-
£392 GBP
$526 USD
View
B+
Retailer 12
-
£510 GBP
A$1,052 AUD
View
B+
Retailer 13
-
£531 GBP
$712 USD
View
B
Retailer 14
-
£670 GBP
$899 USD
View
Retailer 15
-
£672 GBP
$902 USD
View
Price last confirmed 18 days ago
B
Retailer 16
-
£709 GBP
$952 USD
View
B
Retailer 17
-
£836 GBP
View
Most Expensive
B
Reve Diamonds
AFA36A759 · Nov 1
£950 GBP
$1,275 USD
View
17 more retailers have this diamond
Prices start from £168 GBPSave up to £782 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
£168 GBP