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Radiant|Lab Grown|IGI

6.21ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG840656852

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

Certificate IGI LG840656852

Diamond specifications and retailer prices

From HK$14,193 HKD
$1,809 USD
As of October 30, 2026
Save HK$45,960 HKD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$77,947 HKD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 6.21ct lab-grown radiant diamond

This 6.21ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840656852 or 840656852. Listed at 23 retailers as of October 30, 2026, with a 324% 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

6.21
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840656852
Dimensions13.82 × 8.66 × 5.67 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.82 mm8.66 mm6.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840656852
Side View
Table 68.0%Crown 44.1°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 65.5%

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: Oct 30
Current: HK$46,897 HKD|Low: HK$14,193 HKD|High: HK$61,102 HKD|Avg: HK$31,167 HKD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 13HK$14,193 HKD
Retailer 21HK$15,440 HKD
Retailer 8HK$15,895 HKD
Retailer 10HK$16,460 HKD
Retailer 17HK$17,092 HKD
Retailer 4HK$17,771 HKD
Retailer 2HK$19,481 HKD
Retailer 16HK$23,348 HKD
Retailer 20HK$23,537 HKD
Retailer 12HK$24,772 HKD
Retailer 3HK$27,687 HKD
Retailer 7HK$30,552 HKD
Retailer 9HK$30,857 HKD
Retailer 18HK$31,855 HKD
Retailer 6HK$34,077 HKD
Retailer 5HK$34,780 HKD
Retailer 15HK$45,042 HKD
Retailer 1HK$46,897 HKD
Retailer 19HK$47,269 HKD
Retailer 14HK$57,699 HKD
Retailer 11HK$59,550 HKD
Retailer 22HK$60,153 HKD

19 data points across 22 retailers

23 retailersHK$14,193 HKD to HK$60,153 HKD

A
Cheapest Retailer
-
HK$14,193 HKD
$1,809 USD
A
Retailer 2
-
HK$15,440 HKD
$1,968 USD
View
A
Retailer 3
-
HK$15,895 HKD
$2,026 USD
View
Final sale: no returns
A
Retailer 4
-
HK$16,460 HKD
$2,098 USD
View
A
Retailer 5
-
HK$17,092 HKD
£1,715 GBP
View
A
Retailer 6
-
HK$17,771 HKD
$2,265 USD
View
A
Retailer 7
-
HK$19,481 HKD
$2,483 USD
View
A
Retailer 8
-
HK$23,348 HKD
£2,343 GBP
View
A
Retailer 9
-
HK$23,537 HKD
$3,000 USD
View
A
Retailer 10
-
HK$24,772 HKD
€3,007 EUR
View
A
Retailer 11
-
HK$27,687 HKD
$3,529 USD
View
Retailer 12
-
HK$30,552 HKD
A$5,991 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
HK$30,857 HKD
$3,933 USD
View
B+
Retailer 14
-
HK$31,855 HKD
ZAR 65,593 ZAR
View
B+
Retailer 15
-
HK$34,077 HKD
£3,420 GBP
View
B+
Retailer 16
-
HK$34,780 HKD
$4,433 USD
View
B
Retailer 17
-
HK$45,042 HKD
$5,741 USD
View
B+
Retailer 18
-
HK$46,897 HKD
A$9,196 AUD
View
B+
Retailer 19
-
HK$47,269 HKD
£4,744 GBP
View
B
Retailer 20
-
HK$57,699 HKD
$7,354 USD
View
B+
Retailer 21
-
HK$59,550 HKD
SGD 10,257 SGD
View
B
Retailer 22
-
HK$60,153 HKD
$7,667 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKGMLMOLI · Oct 13
HK$77,947 HKD
$9,935 USD
View
Price last confirmed 18 days ago
22 more retailers have this diamond
Prices start from HK$14,193 HKDSave up to HK$45,960 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
6.21ct Radiant
HK$14,193 HKD