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Radiant|Lab Grown|IGI

20.01ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG813649798

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

Certificate IGI LG813649798

Diamond specifications and retailer prices

From £6,509 GBP
$8,722 USD
As of November 1, 2026
Save £15,279 GBP (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £32,010 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 20.01ct lab-grown radiant diamond

This 20.01ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813649798 or 813649798. Listed at 8 retailers as of October 31, 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

20.01
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.1°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813649798
Dimensions19.25 × 13.28 × 8.99 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.25 mm13.28 mm20.01 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813649798
Side View
Table 67.0%Crown 48.1°Girdle: MediumPavilion 39.1°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £32,010 GBP|Low: £6,509 GBP|High: £32,010 GBP|Avg: £12,577 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4£6,509 GBP
Retailer 5£6,840 GBP
Retailer 7£7,295 GBP
Retailer 2£8,028 GBP
Retailer 3£12,508 GBP
Retailer 6£13,832 GBP
Retailer 8£21,789 GBP
Do Amore Diamonds£32,010 GBP

38 data points across 8 retailers

8 retailers£6,509 GBP to £21,789 GBP

B+
Cheapest Retailer
-
£6,509 GBP
$8,722 USD
B+
Retailer 2
-
£6,840 GBP
$9,165 USD
View
Retailer 3
-
£7,295 GBP
$9,775 USD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
£8,028 GBP
View
B
Retailer 5
-
£12,508 GBP
A$25,784 AUD
View
B
Retailer 6
-
£13,832 GBP
$18,534 USD
View
B
Retailer 7
-
£21,789 GBP
$29,195 USD
View
Most Expensive
Do Amore Diamonds
27-338B77CD2 · Nov 2
£32,010 GBP
$42,890 USD
View
Price under review
7 more retailers have this diamond
Prices start from £6,509 GBPSave up to £15,279 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.

B+
20.01ct Radiant
£6,509 GBP