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Round|Lab Grown|IGI

3.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG620450105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620450105

Diamond specifications and retailer prices

From HK$3,586 HKD
$457 USD
As of October 27, 2026
Save HK$24,817 HKD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$28,403 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.54ct lab-grown round diamond

This 3.54ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620450105 or 620450105. Listed at 9 retailers as of October 27, 2026, with prices from HK$3,586 to HK$28,403, a HK$24,817 spread on the same certified stone. Do Amore Diamonds lists it at HK$28,403. 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

3.54
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620450105
Dimensions9.75 × 9.70 × 5.99 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
9.75 mm9.70 mm3.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620450105
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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: Oct 27
Current: HK$28,403 HKD|Low: HK$2,652 HKD|High: HK$35,935 HKD|Avg: HK$12,522 HKD|-3.5%
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
Retailer 15
October 29, 2026
Retailer 14HK$3,201 HKD
Retailer 9HK$3,586 HKD
Retailer 15HK$3,711 HKD
Retailer 13HK$6,269 HKD
Retailer 8HK$6,277 HKD
Retailer 7HK$7,773 HKD
Retailer 3HK$7,901 HKD
Retailer 6HK$8,254 HKD
Retailer 4HK$10,443 HKD
Retailer 11HK$11,126 HKD
Retailer 12HK$14,076 HKD
Retailer 10HK$14,515 HKD
Retailer 2HK$16,172 HKD
Do Amore DiamondsHK$28,403 HKD
Retailer 5HK$35,935 HKD

20 data points across 15 retailers

9 retailersHK$3,586 HKD to HK$28,403 HKD

Retailer 1
-
HK$3,201 HKD
$408 USD
Price last confirmed 7 days ago
A
Retailer 2
-
HK$3,586 HKD
$457 USD
View
B+
Retailer 3
-
HK$6,269 HKD
$799 USD
View
A
Retailer 4
-
HK$6,277 HKD
$800 USD
View
Retailer 5
-
HK$11,126 HKD
$1,418 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$14,076 HKD
$1,794 USD
View
B+
Retailer 7
-
HK$14,515 HKD
$1,850 USD
View
B
Retailer 8
-
HK$16,172 HKD
£1,623 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A422448BA · Oct 29
HK$28,403 HKD
$3,620 USD
View
8 more retailers have this diamond
Prices start from HK$3,586 HKDSave up to HK$24,817 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
3.54ct Round
HK$3,586 HKD