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Radiant|Lab Grown|IGI

21.01ct G VS1 Radiant Lab Grown Diamond

VG • G/VS1 • IGI LG831628596

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

Certificate IGI LG831628596

Diamond specifications and retailer prices

From $9,426 AUD
£5,202 GBP
As of November 2, 2026
Save $32,471 AUD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $41,897 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 21.01ct lab-grown radiant diamond

This 21.01ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG831628596 or 831628596. Listed at 16 retailers as of October 31, 2026, with prices from $9,426 to $41,897, a $32,471 spread on the same certified stone. Taylor and Hart lists it at $41,897. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

21.01
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.4°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831628596
Dimensions20.14 × 13.79 × 8.41 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
20.14 mm13.79 mm21.01 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831628596
Side View
Table 66.0%Crown 49.4°Girdle: Slightly ThickPavilion 31.4°Culet: NoneDepth 61.0%

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 2
Current: $15,624 AUD|Low: $9,423 AUD|High: $41,897 AUD|Avg: $16,855 AUD|-2.1%
Retailer 1
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
Taylor and Hart
November 3, 2026
Retailer 8$9,426 AUD
Retailer 14$10,927 AUD
Retailer 13$11,365 AUD
Retailer 6$12,288 AUD
Retailer 5$12,677 AUD
Retailer 7$12,677 AUD
Retailer 10$12,678 AUD
Retailer 15$12,741 AUD
Retailer 12$14,101 AUD
Retailer 11$14,226 AUD
Retailer 3$14,256 AUD
Retailer 4$14,679 AUD
Retailer 1$15,624 AUD
Retailer 9$24,131 AUD
Retailer 2$37,439 AUD
Taylor and Hart$41,897 AUD

33 data points across 16 retailers

16 retailers$9,426 AUD to $41,897 AUD

A
Cheapest Retailer
-
$9,426 AUD
£5,202 GBP
B+
Retailer 2
-
$10,927 AUD
$7,658 USD
View
B+
Retailer 3
-
$11,365 AUD
$7,965 USD
View
B+
Retailer 4
-
$12,288 AUD
$8,612 USD
View
B+
Retailer 5
-
$12,677 AUD
$8,884 USD
View
Retailer 6
-
$12,677 AUD
$8,884 USD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$12,678 AUD
$8,885 USD
View
B+
Retailer 8
-
$12,741 AUD
$8,929 USD
View
Final sale: no returns
B+
Retailer 9
-
$14,101 AUD
$9,882 USD
View
Retailer 10
-
$14,226 AUD
$9,970 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$14,256 AUD
$9,991 USD
View
B+
Retailer 12
-
$14,679 AUD
$10,287 USD
View
B+
Retailer 13
-
$15,624 AUD
£8,622 GBP
View
B
Retailer 14
-
$24,131 AUD
View
B
Retailer 15
-
$37,439 AUD
$26,238 USD
View
Most Expensive
B
Taylor and Hart
N94ZD6T · Oct 31
$41,897 AUD
$29,362 USD
View
15 more retailers have this diamond
Prices start from $9,426 AUDSave up to $32,471 AUD

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
21.01ct Radiant
$9,426 AUD