Round|Lab Grown|IGI

3.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG655421972

Shape and cutting style on the report: Round brilliant

Certificate IGI LG655421972

Diamond specifications and retailer prices

From HK$2,926 HKD
$373 USD
As of October 29, 2026
Save HK$12,059 HKD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$14,985 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG655421972 or 655421972. Listed at 13 retailers as of October 28, 2026, with prices from HK$2,926 to HK$14,985, a HK$12,059 spread on the same certified stone. Rare Carat lists it at HK$14,985. 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

3.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655421972
Dimensions9.83 × 9.80 × 5.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.83 mm9.80 mm3.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655421972
Side View
Table 61.0%Crown 33.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$14,985 HKD|Low: HK$2,926 HKD|High: HK$37,622 HKD|Avg: HK$10,992 HKD|-27.5%
Rare Carat
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 30, 2026
Retailer 9HK$2,926 HKD
Retailer 5HK$3,397 HKD
Retailer 4HK$3,633 HKD
Retailer 13HK$4,017 HKD
Retailer 10HK$4,786 HKD
Retailer 2HK$4,864 HKD
Retailer 15HK$5,798 HKD
Retailer 11HK$5,800 HKD
Retailer 12HK$6,237 HKD
Retailer 8HK$6,543 HKD
Retailer 14HK$8,387 HKD
Retailer 3HK$11,674 HKD
Rare CaratHK$14,985 HKD
Retailer 7HK$27,381 HKD
Retailer 6HK$37,622 HKD

4 data points across 15 retailers

13 retailersHK$2,926 HKD to HK$14,985 HKD

A
Cheapest Retailer
-
HK$2,926 HKD
$373 USD
A
Retailer 2
-
HK$3,397 HKD
$433 USD
View
A
Retailer 3
-
HK$3,633 HKD
$463 USD
View
A
Retailer 4
-
HK$4,017 HKD
View
A
Retailer 5
-
HK$4,786 HKD
$610 USD
View
A
Retailer 6
-
HK$4,864 HKD
£488 GBP
View
B+
Retailer 7
-
HK$5,798 HKD
$739 USD
View
A
Retailer 8
-
HK$5,800 HKD
€704 EUR
View
A
Retailer 9
-
HK$6,237 HKD
$795 USD
View
A
Retailer 10
-
HK$6,543 HKD
£657 GBP
View
B+
Retailer 11
-
HK$8,387 HKD
$1,069 USD
View
B+
Retailer 12
-
HK$11,674 HKD
$1,488 USD
View
Most Expensive
B
Rare Carat
KI9724219KF655 · Oct 28
HK$14,985 HKD
$1,910 USD
View
12 more retailers have this diamond
Prices start from HK$2,926 HKDSave up to HK$12,059 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
3.50ct Round
HK$2,926 HKD