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Heart|Lab Grown|IGI

1.24ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG728507178

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG728507178

Diamond specifications and retailer prices

From £181 GBP
$243 USD
As of October 30, 2026
Save £1,165 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,346 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.24ct lab-grown heart diamond

This 1.24ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728507178 or 728507178. Listed at 21 retailers as of October 27, 2026, with prices from £181 to £1,346, a £1,165 spread on the same certified stone. Queensmith lists it at £1,346. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728507178
Dimensions6.91 × 7.45 × 4.27 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.91 mm7.45 mm1.24 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728507178
Side View
Table 65.0%Crown 33.4°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 57.3%

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 30
Current: £369 GBP|Low: £175 GBP|High: £913 GBP|Avg: £459 GBP|+1.1%
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
October 31, 2026
Retailer 15£181 GBP
Retailer 8£203 GBP
Retailer 5£210 GBP
Retailer 2£225 GBP
Retailer 6£225 GBP
Retailer 1£369 GBP
Retailer 4£379 GBP
Retailer 12£387 GBP
Retailer 7£404 GBP
Retailer 9£427 GBP
Retailer 13£549 GBP
Retailer 14£564 GBP
Retailer 3£724 GBP
Retailer 10£768 GBP
Retailer 16£843 GBP
Retailer 11£907 GBP

43 data points across 16 retailers

21 retailers£181 GBP to £1,346 GBP

A
Cheapest Retailer
-
£181 GBP
$243 USD
A
Retailer 2
-
£203 GBP
$272 USD
View
Final sale: no returns
A
Retailer 3
-
£210 GBP
$282 USD
View
A
Retailer 4
-
£225 GBP
$302 USD
View
A
Retailer 5
-
£225 GBP
$302 USD
View
B+
Retailer 6
-
£369 GBP
€471 EUR
View
B+
Retailer 7
-
£379 GBP
$508 USD
View
B+
Retailer 8
-
£387 GBP
ZAR 8,373 ZAR
View
B+
Retailer 9
-
£404 GBP
$541 USD
View
B+
Retailer 10
-
£427 GBP
View
B+
Retailer 11
-
£443 GBP
$594 USD
View
B+
Retailer 12
-
£549 GBP
A$1,132 AUD
View
B+
Retailer 13
-
£564 GBP
$756 USD
View
B
Retailer 14
-
£724 GBP
$970 USD
View
B
Retailer 15
-
£763 GBP
$1,022 USD
View
B
Retailer 16
-
£768 GBP
A$1,584 AUD
View
B
Retailer 17
-
£785 GBP
$1,052 USD
View
B
Retailer 18
-
£843 GBP
$1,130 USD
View
B
Retailer 19
-
£907 GBP
View
B
Retailer 20
-
£994 GBP
$1,332 USD
View
Most Expensive
B
Queensmith
LG728507178 · Oct 27
£1,346 GBP
View
20 more retailers have this diamond
Prices start from £181 GBPSave up to £1,165 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
£181 GBP