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Round|Lab Grown|IGI

3.03ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG648437574

Shape and cutting style on the report: Round brilliant

Certificate IGI LG648437574

Diamond specifications and retailer prices

From £339 GBP
$454 USD
As of November 1, 2026
Save £3,191 GBP (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,530 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG648437574 or 648437574. Listed at 23 retailers as of October 31, 2026, with prices from £339 to £3,530, a £3,191 spread on the same certified stone. Brilliant Earth lists it at £3,530. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648437574
Dimensions9.40 × 9.35 × 5.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm9.35 mm3.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648437574
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,530 GBP|Low: £325 GBP|High: £3,530 GBP|Avg: £929 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
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 4£339 GBP
Retailer 7£379 GBP
Retailer 9£379 GBP
Retailer 5£420 GBP
Retailer 15£526 GBP
Retailer 10£561 GBP
Retailer 3£563 GBP
Retailer 12£581 GBP
Retailer 8£642 GBP
Retailer 11£687 GBP
Retailer 13£887 GBP
Retailer 14£912 GBP
Retailer 16£1,129 GBP
Retailer 17£1,481 GBP
Retailer 2£1,543 GBP
Retailer 6£1,571 GBP
Brilliant Earth£3,530 GBP

40 data points across 17 retailers

23 retailers£339 GBP to £3,530 GBP

A
Cheapest Retailer
-
£339 GBP
$454 USD
A
Retailer 2
-
£379 GBP
$508 USD
View
Final sale: no returns
A
Retailer 3
-
£379 GBP
$508 USD
View
A
Retailer 4
-
£420 GBP
$563 USD
View
Retailer 5
-
£420 GBP
$563 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£526 GBP
$705 USD
View
A
Retailer 7
-
£561 GBP
View
B+
Retailer 8
-
£563 GBP
$755 USD
View
A
Retailer 9
-
£581 GBP
€741 EUR
View
A
Retailer 10
-
£642 GBP
$860 USD
View
A
Retailer 11
-
£687 GBP
View
B+
Retailer 12
-
£774 GBP
$1,037 USD
View
B+
Retailer 13
-
£887 GBP
A$1,829 AUD
View
B+
Retailer 14
-
£912 GBP
ZAR 19,735 ZAR
View
B+
Retailer 15
-
£987 GBP
$1,322 USD
View
Retailer 16
-
£1,129 GBP
$1,513 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
£1,350 GBP
$1,809 USD
View
B
Retailer 18
-
£1,374 GBP
$1,841 USD
View
B
Retailer 19
-
£1,481 GBP
$1,985 USD
View
B
Retailer 20
-
£1,496 GBP
$2,005 USD
View
B
Retailer 21
-
£1,543 GBP
View
B
Retailer 22
-
£1,571 GBP
$2,105 USD
View
Most Expensive
B
Brilliant Earth
21312148A · Oct 31
£3,530 GBP
$4,730 USD
View
22 more retailers have this diamond
Prices start from £339 GBPSave up to £3,191 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
£339 GBP