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Heart|Lab Grown|IGI

1.24ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG830677135

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830677135

Diamond specifications and retailer prices

From £134 GBP
$178 USD
As of October 23, 2026
Save £882 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,016 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.24ct lab-grown heart diamond

This 1.24ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830677135 or 830677135. Listed at 19 retailers as of October 23, 2026, with prices from £134 to £1,016, a £882 spread on the same certified stone. Brilliant Earth lists it at £1,016. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle31.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830677135
Dimensions7.07 × 7.34 × 4.35 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.07 mm7.34 mm1.24 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG830677135
Side View
Table 58.0%Crown 31.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
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 23
Current: £1,016 GBP|Low: £134 GBP|High: £1,016 GBP|Avg: £399 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 18£134 GBP
Retailer 8£150 GBP
Retailer 17£155 GBP
Retailer 14£166 GBP
Retailer 6£183 GBP
Retailer 12£222 GBP
Retailer 2£277 GBP
Retailer 19£281 GBP
Retailer 4£294 GBP
Retailer 13£296 GBP
Retailer 9£353 GBP
Retailer 7£359 GBP
Retailer 15£534 GBP
Retailer 10£542 GBP
Retailer 11£551 GBP
Retailer 3£564 GBP
Retailer 16£777 GBP
Retailer 5£845 GBP
Brilliant Earth£1,016 GBP

18 data points across 19 retailers

19 retailers£134 GBP to £1,016 GBP

A
Cheapest Retailer
-
£134 GBP
$178 USD
A
Retailer 2
-
£150 GBP
$199 USD
View
Final sale: no returns
A
Retailer 3
-
£155 GBP
$206 USD
View
A
Retailer 4
-
£166 GBP
$220 USD
View
A
Retailer 5
-
£183 GBP
HK$1,900 HKD
View
A
Retailer 6
-
£222 GBP
View
A
Retailer 7
-
£277 GBP
€351 EUR
View
A
Retailer 8
-
£281 GBP
ZAR 6,022 ZAR
View
B+
Retailer 9
-
£294 GBP
$391 USD
View
A
Retailer 10
-
£296 GBP
View
B+
Retailer 11
-
£353 GBP
$469 USD
View
B+
Retailer 12
-
£359 GBP
$477 USD
View
B
Retailer 13
-
£534 GBP
$709 USD
View
B
Retailer 14
-
£542 GBP
SGD 974 SGD
View
B
Retailer 15
-
£551 GBP
$732 USD
View
B
Retailer 16
-
£564 GBP
$749 USD
View
B
Retailer 17
-
£777 GBP
View
B
Retailer 18
-
£845 GBP
$1,123 USD
View
Most Expensive
B
Brilliant Earth
21807490A · Oct 28
£1,016 GBP
$1,350 USD
View
18 more retailers have this diamond
Prices start from £134 GBPSave up to £882 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
1.24ct Heart
£134 GBP