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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 $11,741 NZD
£5,202 GBP
As of November 2, 2026
Save $40,445 NZD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $52,186 NZD 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 $11,741 to $52,186, a $40,445 spread on the same certified stone. Taylor and Hart lists it at $52,186. 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: $11,741 NZD|Low: $11,737 NZD|High: $52,186 NZD|Avg: $20,991 NZD|-1.2%
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 2, 2026
Retailer 1$11,741 NZD
Retailer 14$13,611 NZD
Retailer 13$14,156 NZD
Retailer 6$15,306 NZD
Retailer 5$15,790 NZD
Retailer 7$15,790 NZD
Retailer 10$15,791 NZD
Retailer 15$15,870 NZD
Retailer 12$17,563 NZD
Retailer 11$17,720 NZD
Retailer 3$17,757 NZD
Retailer 4$18,283 NZD
Retailer 8$19,300 NZD
Retailer 9$30,057 NZD
Retailer 2$46,633 NZD
Taylor and Hart$52,186 NZD

32 data points across 16 retailers

16 retailers$11,741 NZD to $52,186 NZD

A
Cheapest Retailer
-
$11,741 NZD
£5,202 GBP
B+
Retailer 2
-
$13,611 NZD
$7,658 USD
View
B+
Retailer 3
-
$14,156 NZD
$7,965 USD
View
B+
Retailer 4
-
$15,306 NZD
$8,612 USD
View
B+
Retailer 5
-
$15,790 NZD
$8,884 USD
View
Retailer 6
-
$15,790 NZD
$8,884 USD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$15,791 NZD
$8,885 USD
View
B+
Retailer 8
-
$15,870 NZD
$8,929 USD
View
Final sale: no returns
B+
Retailer 9
-
$17,563 NZD
$9,882 USD
View
Retailer 10
-
$17,720 NZD
$9,970 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$17,757 NZD
$9,991 USD
View
B+
Retailer 12
-
$18,283 NZD
$10,287 USD
View
B+
Retailer 13
-
$19,300 NZD
£8,550 GBP
View
B
Retailer 14
-
$30,057 NZD
A$26,018 AUD
View
B
Retailer 15
-
$46,633 NZD
$26,238 USD
View
Most Expensive
B
Taylor and Hart
N94ZD6T · Oct 31
$52,186 NZD
$29,362 USD
View
15 more retailers have this diamond
Prices start from $11,741 NZDSave up to $40,445 NZD

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
$11,741 NZD