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3.21ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG626401447

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626401447

Diamond specifications and retailer prices

From HK$2,542 HKD
$324 USD
As of October 26, 2026
Save HK$20,054 HKD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$22,596 HKD at Do Amore Diamonds · As of October 29, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG626401447 or 626401447. Listed at 11 retailers as of October 26, 2026, with prices from HK$2,542 to HK$22,596, a HK$20,054 spread on the same certified stone. Do Amore Diamonds lists it at HK$22,596. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.21
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626401447
Dimensions9.41 × 9.46 × 5.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
9.41 mm9.46 mm3.21 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626401447
Side View
Table 59.0%Crown 34.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

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 26
Current: HK$22,596 HKD|Low: HK$2,542 HKD|High: HK$23,772 HKD|Avg: HK$9,988 HKD|-5.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8HK$2,542 HKD
Retailer 6HK$2,950 HKD
Retailer 10HK$5,108 HKD
Retailer 4HK$5,139 HKD
Retailer 2HK$5,451 HKD
Retailer 11HK$8,465 HKD
Retailer 7HK$9,242 HKD
Retailer 9HK$11,180 HKD
Retailer 5HK$13,611 HKD
Retailer 3HK$16,711 HKD
Do Amore DiamondsHK$22,596 HKD

33 data points across 11 retailers

11 retailersHK$2,542 HKD to HK$22,596 HKD

A
Cheapest Retailer
-
HK$2,542 HKD
$324 USD
A
Retailer 2
-
HK$2,950 HKD
$376 USD
View
B+
Retailer 3
-
HK$5,108 HKD
$651 USD
View
B+
Retailer 4
-
HK$5,139 HKD
$655 USD
View
A
Retailer 5
-
HK$5,451 HKD
£547 GBP
View
B+
Retailer 6
-
HK$8,465 HKD
$1,079 USD
View
B+
Retailer 7
-
HK$9,242 HKD
$1,178 USD
View
B+
Retailer 8
-
HK$11,180 HKD
$1,425 USD
View
Retailer 9
-
HK$13,611 HKD
£1,366 GBP
View
Price last confirmed 7 days ago
B
Retailer 10
-
HK$16,711 HKD
$2,130 USD
View
Most Expensive
B
Do Amore Diamonds
27-EBEE7FE81 · Oct 29
HK$22,596 HKD
$2,880 USD
View
10 more retailers have this diamond
Prices start from HK$2,542 HKDSave up to HK$20,054 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$2,542 HKD