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Heart|Lab Grown|IGI

3.03ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG603348107

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG603348107

Diamond specifications and retailer prices

From £427 GBP
$569 USD
As of October 27, 2026
Save £2,531 GBP (86%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £2,959 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.03ct lab-grown heart diamond

This 3.03ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG603348107 or 603348107. Listed at 31 retailers as of October 27, 2026, with prices from £427 to £2,959, a £2,531 spread on the same certified stone. Brilliant Earth lists it at £2,959. 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

3.03
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603348107
Dimensions10.18 × 8.66 × 5.99 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
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
10.18 mm8.66 mm3.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603348107
Side View
Table 59.0%Crown 35.8°Girdle: THN-MEDPavilion 39.2°Culet: NoneDepth 58.8%

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 27
Current: £2,959 GBP|Low: £427 GBP|High: £3,464 GBP|Avg: £1,442 GBP|-3.0%
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 3£427 GBP
Retailer 13£532 GBP
Retailer 12£606 GBP
Retailer 19£631 GBP
Retailer 8£736 GBP
Retailer 4£749 GBP
Retailer 2£827 GBP
Retailer 5£988 GBP
Retailer 18£1,126 GBP
Retailer 15£1,150 GBP
Retailer 11£1,251 GBP
Retailer 20£1,314 GBP
Retailer 9£1,705 GBP
Retailer 14£1,716 GBP
Retailer 10£1,764 GBP
Retailer 6£1,780 GBP
Retailer 21£1,799 GBP
Retailer 7£1,848 GBP
Retailer 16£2,054 GBP
Retailer 17£2,303 GBP
Brilliant Earth£2,959 GBP

36 data points across 21 retailers

31 retailers£427 GBP to £2,959 GBP

A
Cheapest Retailer
-
£427 GBP
$569 USD
Retailer 2
-
£427 GBP
$569 USD
View
Price last confirmed 21 days ago
Retailer 3
-
£427 GBP
$569 USD
View
Price last confirmed 18 days ago
Retailer 4
-
£529 GBP
$705 USD
View
Price last confirmed 26 days ago
Retailer 5
-
£529 GBP
$705 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
£532 GBP
$708 USD
View
Final sale: no returns
A
Retailer 7
-
£606 GBP
HK$6,300 HKD
View
A
Retailer 8
-
£631 GBP
$840 USD
View
A
Retailer 9
-
£736 GBP
$980 USD
View
A
Retailer 10
-
£749 GBP
$998 USD
View
A
Retailer 11
-
£827 GBP
View
Retailer 12
-
£918 GBP
$1,223 USD
View
Price last confirmed 30 days ago
A
Retailer 13
-
£988 GBP
$1,316 USD
View
Retailer 14
-
£999 GBP
$1,330 USD
View
Price last confirmed 31 days ago
Retailer 15
-
£1,051 GBP
$1,399 USD
View
Price last confirmed 32 days ago
Retailer 16
-
£1,126 GBP
A$2,306 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
£1,150 GBP
ZAR 24,749 ZAR
View
B+
Retailer 18
-
£1,251 GBP
$1,667 USD
View
B+
Retailer 19
-
£1,314 GBP
$1,750 USD
View
Retailer 20
-
£1,393 GBP
$1,855 USD
View
Price last confirmed 19 days ago
B+
Retailer 21
-
£1,393 GBP
$1,855 USD
View
B+
Retailer 22
-
£1,705 GBP
$2,271 USD
View
B
Retailer 23
-
£1,716 GBP
$2,286 USD
View
B
Retailer 24
-
£1,764 GBP
SGD 3,175 SGD
View
B
Retailer 25
-
£1,780 GBP
$2,371 USD
View
Retailer 26
-
£1,799 GBP
A$3,685 AUD
View
Price last confirmed 21 days ago
B
Retailer 27
-
£1,848 GBP
$2,461 USD
View
Retailer 28
-
£1,997 GBP
$2,659 USD
View
Price last confirmed 29 days ago
B
Retailer 29
-
£2,054 GBP
A$4,208 AUD
View
B
Retailer 30
-
£2,303 GBP
View
Most Expensive
B
Brilliant Earth
8434713A · Oct 28
£2,959 GBP
$3,940 USD
View
30 more retailers have this diamond
Prices start from £427 GBPSave up to £2,531 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
3.03ct Heart
£427 GBP