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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG847681133

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG847681133

Diamond specifications and retailer prices

From £177 GBP
$238 USD
As of October 30, 2026
Save £1,127 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,304 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG847681133 or 847681133. Listed at 18 retailers as of October 30, 2026, with prices from £177 to £1,304, a £1,127 spread on the same certified stone. Brilliant Earth lists it at £1,304. 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 angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847681133
Dimensions6.79 × 7.22 × 4.34 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm7.22 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847681133
Side View
Table 57.0%Crown 36.3°Girdle: STK-VTKPavilion 40.8°Culet: NoneDepth 60.1%

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: Oct 30
Current: £247 GBP|Low: £177 GBP|High: £892 GBP|Avg: £489 GBP|-2.9%
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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 7£177 GBP
Retailer 5£196 GBP
Retailer 12£203 GBP
Retailer 14£218 GBP
Retailer 1£247 GBP
Retailer 13£294 GBP
Retailer 2£350 GBP
Retailer 11£376 GBP
Retailer 10£412 GBP
Retailer 3£453 GBP
Retailer 16£453 GBP
Retailer 15£701 GBP
Retailer 6£709 GBP
Retailer 4£740 GBP
Retailer 17£758 GBP
Retailer 8£815 GBP
Retailer 9£892 GBP

6 data points across 17 retailers

18 retailers£177 GBP to £1,304 GBP

A
Cheapest Retailer
-
£177 GBP
$238 USD
A
Retailer 2
-
£196 GBP
$263 USD
View
Final sale: no returns
A
Retailer 3
-
£203 GBP
$272 USD
View
A
Retailer 4
-
£218 GBP
$293 USD
View
A
Retailer 5
-
£247 GBP
View
A
Retailer 6
-
£294 GBP
$395 USD
View
A
Retailer 7
-
£350 GBP
€447 EUR
View
B+
Retailer 8
-
£376 GBP
ZAR 8,162 ZAR
View
B+
Retailer 9
-
£412 GBP
View
B+
Retailer 10
-
£453 GBP
$608 USD
View
B+
Retailer 11
-
£453 GBP
$608 USD
View
B
Retailer 12
-
£701 GBP
$941 USD
View
B
Retailer 13
-
£709 GBP
$951 USD
View
B+
Retailer 14
-
£740 GBP
$993 USD
View
B+
Retailer 15
-
£758 GBP
$1,017 USD
View
B
Retailer 16
-
£815 GBP
A$1,683 AUD
View
B
Retailer 17
-
£892 GBP
View
Most Expensive
B
Brilliant Earth
22412575A · Oct 31
£1,304 GBP
$1,750 USD
View
17 more retailers have this diamond
Prices start from £177 GBPSave up to £1,127 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
£177 GBP