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Heart|Lab Grown|IGI

1.23ct D VVS2 Heart Lab Grown Diamond

EX • D/VVS2 • IGI LG848643880

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG848643880

Diamond specifications and retailer prices

From £148 GBP
$199 USD
As of November 2, 2026
Save £738 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £887 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 LG848643880 or 848643880. Listed at 18 retailers as of November 1, 2026, with prices from £148 to £887, a £738 spread on the same certified stone. Reve Diamonds lists it at £887. 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 angle39.4°
Pavilion angle43°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848643880
Dimensions6.56 × 7.56 × 4.25 mm
L/W Ratio1.15
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
6.56 mm7.56 mm1.23 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848643880
Side View
Table 63.0%Crown 39.4°Girdle: MED-STKPavilion 43°Culet: NoneDepth 56.2%

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: £448 GBP|Low: £148 GBP|High: £887 GBP|Avg: £404 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Reve Diamonds
November 2, 2026
Retailer 2£148 GBP
Retailer 5£166 GBP
Retailer 17£172 GBP
Retailer 7£183 GBP
Retailer 16£184 GBP
Retailer 10£240 GBP
Retailer 3£246 GBP
Retailer 12£317 GBP
Retailer 11£336 GBP
Retailer 8£367 GBP
Retailer 4£385 GBP
Retailer 14£439 GBP
Retailer 1£448 GBP
Retailer 6£590 GBP
Retailer 9£630 GBP
Retailer 15£682 GBP
Retailer 13£858 GBP
Reve Diamonds£887 GBP

13 data points across 18 retailers

18 retailers£148 GBP to £887 GBP

A
Cheapest Retailer
-
£148 GBP
$199 USD
A
Retailer 2
-
£166 GBP
$223 USD
View
Final sale: no returns
A
Retailer 3
-
£172 GBP
$231 USD
View
A
Retailer 4
-
£183 GBP
$246 USD
View
Retailer 5
-
£184 GBP
$247 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£240 GBP
View
B+
Retailer 7
-
£246 GBP
$330 USD
View
A
Retailer 8
-
£317 GBP
ZAR 6,875 ZAR
View
A
Retailer 9
-
£336 GBP
View
B+
Retailer 10
-
£367 GBP
$492 USD
View
B+
Retailer 11
-
£385 GBP
$517 USD
View
B+
Retailer 12
-
£439 GBP
$589 USD
View
B+
Retailer 13
-
£448 GBP
A$925 AUD
View
B
Retailer 14
-
£590 GBP
$792 USD
View
B
Retailer 15
-
£630 GBP
$846 USD
View
Retailer 16
-
£682 GBP
A$1,408 AUD
View
Price last confirmed 8 days ago
B
Retailer 17
-
£858 GBP
View
Most Expensive
B
Reve Diamonds
732D74617 · Nov 1
£887 GBP
$1,190 USD
View
17 more retailers have this diamond
Prices start from £148 GBPSave up to £738 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
£148 GBP