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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 HK$51,832 HKD
£5,202 GBP
As of November 2, 2026
Save HK$178,548 HKD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$230,380 HKD 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 HK$51,832 to HK$230,380, a HK$178,548 spread on the same certified stone. Taylor and Hart lists it at HK$230,380. 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: HK$51,832 HKD|Low: HK$51,817 HKD|High: HK$230,380 HKD|Avg: HK$92,666 HKD|-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 1HK$51,832 HKD
Retailer 14HK$60,085 HKD
Retailer 13HK$62,494 HKD
Retailer 6HK$67,571 HKD
Retailer 5HK$69,705 HKD
Retailer 7HK$69,705 HKD
Retailer 10HK$69,713 HKD
Retailer 15HK$70,058 HKD
Retailer 12HK$77,535 HKD
Retailer 11HK$78,226 HKD
Retailer 3HK$78,390 HKD
Retailer 4HK$80,713 HKD
Retailer 8HK$85,201 HKD
Retailer 9HK$132,691 HKD
Retailer 2HK$205,866 HKD
Taylor and HartHK$230,380 HKD

32 data points across 16 retailers

16 retailersHK$51,832 HKD to HK$230,380 HKD

A
Cheapest Retailer
-
HK$51,832 HKD
£5,202 GBP
B+
Retailer 2
-
HK$60,085 HKD
$7,658 USD
View
B+
Retailer 3
-
HK$62,494 HKD
$7,965 USD
View
B+
Retailer 4
-
HK$67,571 HKD
$8,612 USD
View
B+
Retailer 5
-
HK$69,705 HKD
$8,884 USD
View
Retailer 6
-
HK$69,705 HKD
$8,884 USD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
HK$69,713 HKD
$8,885 USD
View
B+
Retailer 8
-
HK$70,058 HKD
$8,929 USD
View
Final sale: no returns
B+
Retailer 9
-
HK$77,535 HKD
$9,882 USD
View
Retailer 10
-
HK$78,226 HKD
$9,970 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
HK$78,390 HKD
$9,991 USD
View
B+
Retailer 12
-
HK$80,713 HKD
$10,287 USD
View
B+
Retailer 13
-
HK$85,201 HKD
£8,550 GBP
View
B
Retailer 14
-
HK$132,691 HKD
A$26,018 AUD
View
B
Retailer 15
-
HK$205,866 HKD
$26,238 USD
View
Most Expensive
B
Taylor and Hart
N94ZD6T · Oct 31
HK$230,380 HKD
$29,362 USD
View
15 more retailers have this diamond
Prices start from HK$51,832 HKDSave up to HK$178,548 HKD

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
HK$51,832 HKD