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Heart|Lab Grown|IGI

1.23ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG665409668

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665409668

Diamond specifications and retailer prices

From £174 GBP
$233 USD
As of November 2, 2026
Save £793 GBP (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £967 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 LG665409668 or 665409668. Listed at 22 retailers as of November 1, 2026, with prices from £174 to £967, a £793 spread on the same certified stone. Reve Diamonds lists it at £967. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409668
Dimensions6.66 × 7.32 × 4.34 mm
L/W Ratio1.10
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
6.66 mm7.32 mm1.23 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409668
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.3%

Caratlytics Score

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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: £569 GBP|Low: £165 GBP|High: £967 GBP|Avg: £472 GBP|+10.9%
Retailer 1
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Retailer 19
Reve Diamonds
November 2, 2026
Retailer 3£174 GBP
Retailer 15£198 GBP
Retailer 11£201 GBP
Retailer 7£215 GBP
Retailer 9£215 GBP
Retailer 8£364 GBP
Retailer 12£366 GBP
Retailer 14£371 GBP
Retailer 2£394 GBP
Retailer 6£394 GBP
Retailer 13£405 GBP
Retailer 17£430 GBP
Retailer 19£524 GBP
Retailer 1£569 GBP
Retailer 4£691 GBP
Retailer 18£698 GBP
Retailer 10£730 GBP
Retailer 16£861 GBP
Retailer 5£917 GBP
Reve Diamonds£967 GBP

35 data points across 20 retailers

22 retailers£174 GBP to £967 GBP

A
Cheapest Retailer
-
£174 GBP
$233 USD
A
Retailer 2
-
£198 GBP
$266 USD
View
Final sale: no returns
A
Retailer 3
-
£201 GBP
$270 USD
View
A
Retailer 4
-
£215 GBP
$288 USD
View
Retailer 5
-
£215 GBP
$288 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£364 GBP
$488 USD
View
B+
Retailer 7
-
£366 GBP
€468 EUR
View
B+
Retailer 8
-
£371 GBP
ZAR 8,042 ZAR
View
B+
Retailer 9
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£394 GBP
$529 USD
View
B+
Retailer 10
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£394 GBP
$529 USD
View
B+
Retailer 11
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£405 GBP
View
B+
Retailer 12
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£430 GBP
A$888 AUD
View
Retailer 13
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£517 GBP
A$1,068 AUD
View
Price last confirmed 37 days ago
B+
Retailer 14
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£524 GBP
A$1,082 AUD
View
B+
Retailer 15
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£569 GBP
$763 USD
View
B
Retailer 16
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£691 GBP
$927 USD
View
B+
Retailer 17
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£698 GBP
A$1,441 AUD
View
B
Retailer 18
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£730 GBP
$979 USD
View
B
Retailer 19
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£782 GBP
$1,049 USD
View
B
Retailer 20
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£861 GBP
View
B
Retailer 21
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£917 GBP
$1,230 USD
View
Most Expensive
B
Reve Diamonds
DDA7F1EE8 · Nov 1
£967 GBP
$1,297 USD
View
21 more retailers have this diamond
Prices start from £174 GBPSave up to £793 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
£174 GBP