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Heart|Lab Grown|IGI

3.21ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG620416961

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620416961

Diamond specifications and retailer prices

From HK$4,464 HKD
$569 USD
As of November 1, 2026
Save HK$30,920 HKD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$35,384 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.21ct lab-grown heart diamond

This 3.21ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620416961 or 620416961. Listed at 17 retailers as of October 31, 2026, with prices from HK$4,464 to HK$35,384, a HK$30,920 spread on the same certified stone. Do Amore Diamonds lists it at HK$35,384. 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

3.21
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620416961
Dimensions9.20 × 10.03 × 6.08 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.20 mm10.03 mm3.21 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620416961
Side View
Table 58.0%Crown 36.3°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 60.6%

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 1
Current: HK$8,515 HKD|Low: HK$3,193 HKD|High: HK$23,983 HKD|Avg: HK$10,405 HKD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2HK$4,464 HKD
Retailer 9HK$4,943 HKD
Retailer 7HK$6,080 HKD
Retailer 3HK$7,218 HKD
Retailer 11HK$7,681 HKD
Retailer 1HK$8,515 HKD
Retailer 5HK$11,525 HKD
Retailer 6HK$11,853 HKD
Retailer 8HK$12,757 HKD
Retailer 10HK$18,335 HKD
Retailer 4HK$23,694 HKD

43 data points across 11 retailers

17 retailersHK$4,464 HKD to HK$35,384 HKD

A
Cheapest Retailer
-
HK$4,464 HKD
$569 USD
Final sale: no returns
A
Retailer 2
-
HK$4,943 HKD
$630 USD
View
Retailer 3
-
HK$4,943 HKD
$630 USD
View
Price last confirmed 29 days ago
A
Retailer 4
-
HK$6,080 HKD
$775 USD
View
A
Retailer 5
-
HK$7,147 HKD
$911 USD
View
A
Retailer 6
-
HK$7,218 HKD
$920 USD
View
A
Retailer 7
-
HK$7,681 HKD
$979 USD
View
A
Retailer 8
-
HK$8,515 HKD
£855 GBP
View
B+
Retailer 9
-
HK$11,525 HKD
A$2,260 AUD
View
B+
Retailer 10
-
HK$11,853 HKD
ZAR 24,407 ZAR
View
B+
Retailer 11
-
HK$12,757 HKD
$1,626 USD
View
B+
Retailer 12
-
HK$14,358 HKD
$1,830 USD
View
Retailer 13
-
HK$14,358 HKD
$1,830 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
HK$18,335 HKD
$2,337 USD
View
B
Retailer 15
-
HK$18,611 HKD
$2,372 USD
View
B
Retailer 16
-
HK$23,694 HKD
£2,378 GBP
View
Most Expensive
B
Do Amore Diamonds
27-CF5127623 · Oct 31
HK$35,384 HKD
$4,510 USD
View
16 more retailers have this diamond
Prices start from HK$4,464 HKDSave up to HK$30,920 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
3.21ct Heart
HK$4,464 HKD