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Radiant|Lab Grown|IGI

3.03ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG517200633

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG517200633

Diamond specifications and retailer prices

From £420 GBP
$563 USD
As of October 30, 2026
Save £2,938 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,358 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant 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 LG517200633 or 517200633. Listed at 21 retailers as of October 29, 2026, with prices from £420 to £3,358, a £2,938 spread on the same certified stone. Brilliant Earth lists it at £3,358. 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 angle46.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517200633
Dimensions8.90 × 6.97 × 4.83 mm
L/W Ratio1.28
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.90 mm6.97 mm3.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517200633
Side View
Table 64.0%Crown 46.8°Girdle: THK-VTKPavilionCulet: NoneDepth 69.3%

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: Oct 30
Current: £3,358 GBP|Low: £444 GBP|High: £3,463 GBP|Avg: £1,344 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
October 30, 2026
Retailer 6£470 GBP
Retailer 12£619 GBP
Retailer 5£727 GBP
Retailer 16£802 GBP
Retailer 3£813 GBP
Retailer 9£813 GBP
Retailer 2£1,101 GBP
Retailer 11£1,132 GBP
Retailer 13£1,293 GBP
Retailer 15£1,371 GBP
Retailer 4£1,513 GBP
Retailer 14£1,678 GBP
Retailer 8£1,689 GBP
Retailer 7£1,756 GBP
Retailer 10£2,275 GBP
Brilliant Earth£3,358 GBP

41 data points across 16 retailers

21 retailers£420 GBP to £3,358 GBP

A
Cheapest Retailer
-
£420 GBP
$563 USD
A
Retailer 2
-
£470 GBP
$630 USD
View
Final sale: no returns
A
Retailer 3
-
£471 GBP
$631 USD
View
A
Retailer 4
-
£521 GBP
$698 USD
View
Retailer 5
-
£521 GBP
$698 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
£619 GBP
$830 USD
View
A
Retailer 7
-
£727 GBP
$974 USD
View
A
Retailer 8
-
£802 GBP
$1,075 USD
View
A
Retailer 9
-
£813 GBP
$1,089 USD
View
A
Retailer 10
-
£813 GBP
View
B+
Retailer 11
-
£1,101 GBP
A$2,269 AUD
View
B+
Retailer 12
-
£1,132 GBP
ZAR 24,500 ZAR
View
B+
Retailer 13
-
£1,293 GBP
$1,733 USD
View
B+
Retailer 14
-
£1,371 GBP
$1,837 USD
View
B+
Retailer 15
-
£1,513 GBP
View
B
Retailer 16
-
£1,678 GBP
$2,248 USD
View
B
Retailer 17
-
£1,689 GBP
$2,264 USD
View
B
Retailer 18
-
£1,756 GBP
$2,352 USD
View
B
Retailer 19
-
£1,796 GBP
HK$18,800 HKD
View
B
Retailer 20
-
£2,275 GBP
View
Most Expensive
B
Brilliant Earth
17972634A · Oct 29
£3,358 GBP
$4,500 USD
View
20 more retailers have this diamond
Prices start from £420 GBPSave up to £2,938 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 Radiant
£420 GBP