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Round|Lab Grown|IGI

3.21ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG621488365

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621488365

Diamond specifications and retailer prices

From HK$3,962 HKD
As of October 31, 2026
Save HK$24,440 HKD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$28,402 HKD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.21ct lab-grown round diamond

This 3.21ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621488365 or 621488365. Listed at 13 retailers as of October 31, 2026, with prices from HK$3,962 to HK$28,402, a HK$24,440 spread on the same certified stone. Do Amore Diamonds lists it at HK$28,402. 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
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621488365
Dimensions9.50 × 9.43 × 5.72 mm
L/W Ratio1.01
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
9.50 mm9.43 mm3.21 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG621488365
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.5%

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 31
Current: HK$28,402 HKD|Low: HK$3,907 HKD|High: HK$28,402 HKD|Avg: HK$10,411 HKD
Do Amore Diamonds
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
November 5, 2026
Retailer 12HK$3,962 HKD
Retailer 10HK$5,100 HKD
Retailer 6HK$5,594 HKD
Retailer 7HK$5,829 HKD
Retailer 13HK$6,269 HKD
Retailer 14HK$6,394 HKD
Retailer 4HK$7,038 HKD
Retailer 9HK$9,493 HKD
Retailer 11HK$11,117 HKD
Retailer 8HK$13,769 HKD
Retailer 3HK$14,060 HKD
Retailer 5HK$15,221 HKD
Retailer 2HK$16,021 HKD
Do Amore DiamondsHK$28,402 HKD

40 data points across 14 retailers

13 retailersHK$3,962 HKD to HK$28,402 HKD

A
Cheapest Retailer
-
HK$3,962 HKD
A
Retailer 2
-
HK$5,100 HKD
View
A
Retailer 3
-
HK$5,829 HKD
View
B+
Retailer 4
-
HK$6,269 HKD
View
A
Retailer 5
-
HK$6,394 HKD
View
B+
Retailer 6
-
HK$7,038 HKD
View
Retailer 7
-
HK$9,493 HKD
View
Price last confirmed 8 days ago
B
Retailer 8
-
HK$11,117 HKD
View
B+
Retailer 9
-
HK$13,769 HKD
View
B
Retailer 10
-
HK$14,060 HKD
View
B
Retailer 11
-
HK$15,221 HKD
View
B
Retailer 12
-
HK$16,021 HKD
View
Most Expensive
B
Do Amore Diamonds
27-024B779F7 · Nov 4
HK$28,402 HKD
$3,620 USD
View
12 more retailers have this diamond
Prices start from HK$3,962 HKDSave up to HK$24,440 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 Round
HK$3,962 HKD