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Round|Lab Grown|IGI

3.03ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG778655743

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778655743

Diamond specifications and retailer prices

From £483 GBP
As of November 4, 2026
Save £1,136 GBP (70%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,037 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778655743 or 778655743. Listed at 24 retailers as of November 3, 2026, with a 235% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778655743
Dimensions9.36 × 9.33 × 5.62 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.36 mm9.33 mm3.03 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778655743
Side View
Table 61.0%Crown 33.1°Girdle: MediumPavilion 41.2°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: Nov 4
Current: £4,037 GBP|Low: £335 GBP|High: £4,037 GBP|Avg: £868 GBP
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
November 5, 2026
Retailer 4£349 GBP
Retailer 5£433 GBP
Retailer 14£483 GBP
Retailer 8£537 GBP
Retailer 7£552 GBP
Retailer 3£579 GBP
Retailer 9£651 GBP
Retailer 2£708 GBP
Retailer 12£913 GBP
Retailer 10£939 GBP
Retailer 11£1,015 GBP
Retailer 13£1,590 GBP
Retailer 6£1,619 GBP
Brilliant Earth£4,037 GBP

36 data points across 14 retailers

24 retailers£483 GBP to £1,619 GBP

Retailer 1
-
£349 GBP
Price last confirmed 44 days ago
Retailer 2
-
£349 GBP
View
Price last confirmed 10 days ago
Retailer 3
-
£427 GBP
View
Price last confirmed 44 days ago
Retailer 4
-
£433 GBP
View
Price last confirmed 20 days ago
Retailer 5
-
£433 GBP
View
Price last confirmed 7 days ago
A
Retailer 6
-
£483 GBP
View
A
Retailer 7
-
£537 GBP
View
A
Retailer 8
-
£552 GBP
View
B+
Retailer 9
-
£579 GBP
View
A
Retailer 10
-
£651 GBP
View
A
Retailer 11
-
£707 GBP
View
A
Retailer 12
-
£708 GBP
View
B+
Retailer 13
-
£856 GBP
View
B+
Retailer 14
-
£913 GBP
View
B+
Retailer 15
-
£939 GBP
View
B+
Retailer 16
-
£1,015 GBP
View
Retailer 17
-
£1,390 GBP
View
Price last confirmed 8 days ago
Retailer 18
-
£1,390 GBP
View
Price last confirmed 45 days ago
B
Retailer 19
-
£1,396 GBP
View
B
Retailer 20
-
£1,412 GBP
View
B
Retailer 21
-
£1,412 GBP
View
Retailer 22
-
£1,590 GBP
View
Price last confirmed 10 days ago
B
Retailer 23
-
£1,619 GBP
View
Most Expensive
Brilliant Earth
20972311A · Oct 28
£4,037 GBP
$5,450 USD
View
Price last confirmed 7 days ago
23 more retailers have this diamond
Prices start from £483 GBPSave up to £1,136 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 Round
£483 GBP