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Round|Lab Grown|IGI

3.03ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG842606466

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842606466

Diamond specifications and retailer prices

From £379 GBP
As of November 3, 2026
Save £3,629 GBP (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,007 GBP at Brilliant Earth · As of October 31, 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 LG842606466 or 842606466. Listed at 22 retailers as of October 31, 2026, with prices from £379 to £4,007, a £3,629 spread on the same certified stone. Brilliant Earth lists it at £4,007. 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 angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842606466
Dimensions9.16 × 9.21 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.16 mm9.21 mm3.03 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842606466
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: Nov 3
Current: £4,007 GBP|Low: £330 GBP|High: £4,007 GBP|Avg: £1,231 GBP|+56.8%
Brilliant Earth
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November 5, 2026
Retailer 25£379 GBP
Retailer 10£423 GBP
Retailer 23£424 GBP
Retailer 7£469 GBP
Retailer 3£570 GBP
Retailer 16£584 GBP
Retailer 11£621 GBP
Retailer 13£661 GBP
Retailer 9£670 GBP
Retailer 6£733 GBP
Retailer 2£797 GBP
Retailer 5£799 GBP
Retailer 24£1,093 GBP
Retailer 20£1,124 GBP
Retailer 22£1,210 GBP
Retailer 14£1,361 GBP
Retailer 17£1,482 GBP
Retailer 12£1,607 GBP
Retailer 18£1,641 GBP
Retailer 19£1,678 GBP
Retailer 8£1,739 GBP
Retailer 15£1,764 GBP
Retailer 21£2,247 GBP
Retailer 4£3,356 GBP
Brilliant Earth£4,007 GBP

15 data points across 25 retailers

22 retailers£379 GBP to £4,007 GBP

A
Cheapest Retailer
-
£379 GBP
A
Retailer 2
-
£423 GBP
View
Final sale: no returns
A
Retailer 3
-
£424 GBP
View
A
Retailer 4
-
£469 GBP
View
A
Retailer 5
-
£570 GBP
View
B+
Retailer 6
-
£621 GBP
View
B+
Retailer 7
-
£661 GBP
View
A
Retailer 8
-
£670 GBP
View
B+
Retailer 9
-
£733 GBP
View
A
Retailer 10
-
£797 GBP
View
B+
Retailer 11
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£799 GBP
View
B+
Retailer 12
-
£1,093 GBP
View
B+
Retailer 13
-
£1,124 GBP
View
B+
Retailer 14
-
£1,210 GBP
View
B
Retailer 15
-
£1,361 GBP
View
B
Retailer 16
-
£1,607 GBP
View
B
Retailer 17
-
£1,678 GBP
View
B
Retailer 18
-
£1,739 GBP
View
B
Retailer 19
-
£1,764 GBP
View
B
Retailer 20
-
£2,247 GBP
View
B
Retailer 21
-
£3,356 GBP
View
Most Expensive
B
Brilliant Earth
22272151A · Oct 31
£4,007 GBP
$5,410 USD
View
21 more retailers have this diamond
Prices start from £379 GBPSave up to £3,629 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
£379 GBP