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 $8,722 USD
As of October 26, 2026
Save $20,473 USD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $42,890 USD at Do Amore Diamonds · As of October 31, 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 26, 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
Color
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: Oct 26
Current: $42,890 USD|Low: $8,722 USD|High: $42,890 USD|Avg: $16,759 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3$8,722 USD
Retailer 4$9,165 USD
Retailer 7$9,775 USD
Retailer 2$10,846 USD
Retailer 6$16,788 USD
Retailer 5$18,534 USD
Retailer 8$29,195 USD
Do Amore Diamonds$42,890 USD

36 data points across 8 retailers

8 retailers$8,722 USD to $29,195 USD

B+
Cheapest Retailer
-
$8,722 USD
B+
Retailer 2
-
$9,165 USD
View
Retailer 3
-
$9,775 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$10,846 USD
£8,540 GBP
View
Retailer 5
-
$16,788 USD
A$25,827 AUD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$18,534 USD
View
B
Retailer 7
-
$29,195 USD
View
Most Expensive
Do Amore Diamonds
27-338B77CD2 · Oct 31
$42,890 USD
View
Price under review
7 more retailers have this diamond
Prices start from $8,722 USDSave up to $20,473 USD

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
$8,722 USD