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Heart|Lab Grown|IGI

10.03ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG804624530

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804624530

Diamond specifications and retailer prices

From £1,636 GBP
$2,178 USD
As of October 23, 2026
Save £7,668 GBP (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £9,304 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 10.03ct lab-grown heart diamond

This 10.03ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG804624530 or 804624530. Listed at 23 retailers as of October 23, 2026, with prices from £1,636 to £9,304, a £7,668 spread on the same certified stone. Brilliant Earth lists it at £9,304. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.03
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804624530
Dimensions14.56 × 15.24 × 8.16 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.56 mm15.24 mm10.03 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804624530
Side View
Table 62.0%Crown 32.8°Girdle: THN-STKPavilion 38.7°Culet: NoneDepth 53.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 23
Current: £9,304 GBP|Low: £1,636 GBP|High: £9,304 GBP|Avg: £3,702 GBP|+0.6%
Brilliant Earth
Retailer 2
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Retailer 23
October 29, 2026
Retailer 16£1,636 GBP
Retailer 13£1,663 GBP
Retailer 12£1,779 GBP
Retailer 23£1,792 GBP
Retailer 8£1,857 GBP
Retailer 18£1,892 GBP
Retailer 7£2,143 GBP
Retailer 21£2,156 GBP
Retailer 17£2,541 GBP
Retailer 6£2,553 GBP
Retailer 11£2,708 GBP
Retailer 2£2,821 GBP
Retailer 19£2,903 GBP
Retailer 9£2,925 GBP
Retailer 10£3,520 GBP
Retailer 14£5,065 GBP
Retailer 4£5,269 GBP
Retailer 20£5,318 GBP
Retailer 15£6,148 GBP
Retailer 5£6,210 GBP
Retailer 3£6,494 GBP
Retailer 22£9,070 GBP
Brilliant Earth£9,304 GBP

27 data points across 23 retailers

23 retailers£1,636 GBP to £9,304 GBP

A
Cheapest Retailer
-
£1,636 GBP
$2,178 USD
A
Retailer 2
-
£1,663 GBP
View
A
Retailer 3
-
£1,779 GBP
$2,369 USD
View
A
Retailer 4
-
£1,857 GBP
$2,473 USD
View
A
Retailer 5
-
£1,892 GBP
$2,520 USD
View
A
Retailer 6
-
£2,143 GBP
HK$22,300 HKD
View
A
Retailer 7
-
£2,156 GBP
$2,871 USD
View
A
Retailer 8
-
£2,541 GBP
View
A
Retailer 9
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£2,553 GBP
$3,400 USD
View
A
Retailer 10
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£2,708 GBP
$3,606 USD
View
A
Retailer 11
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£2,821 GBP
€3,578 EUR
View
B+
Retailer 12
-
£2,903 GBP
$3,866 USD
View
A
Retailer 13
-
£2,925 GBP
ZAR 62,926 ZAR
View
Retailer 14
-
£3,520 GBP
A$7,212 AUD
View
Price last confirmed 7 days ago
B
Retailer 15
-
£5,065 GBP
$6,745 USD
View
B
Retailer 16
-
£5,269 GBP
$7,017 USD
View
B+
Retailer 17
-
£5,318 GBP
$7,082 USD
View
Retailer 18
-
£6,148 GBP
A$12,595 AUD
View
Price last confirmed 21 days ago
B
Retailer 19
-
£6,210 GBP
SGD 11,176 SGD
View
B
Retailer 20
-
£6,494 GBP
$8,648 USD
View
B
Retailer 21
-
£9,070 GBP
$12,079 USD
View
B
Retailer 22
-
£9,304 GBP
$12,390 USD
View
Most Expensive
B
Brilliant Earth
20041850A · Oct 28
£9,304 GBP
$12,390 USD
View
22 more retailers have this diamond
Prices start from £1,636 GBPSave up to £7,668 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
10.03ct Heart
£1,636 GBP