Round|Natural|GIA

3.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1418916380

Certificate GIA 1418916380

Diamond specifications and retailer prices

From HK$324,380 HKD
$41,345 USD
As of October 25, 2026
Save HK$304,165 HKD (48%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: HK$628,545 HKD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1418916380. Listed at 28 retailers as of October 25, 2026, with prices from HK$324,380 to HK$628,545, a HK$304,165 spread on the same certified stone. Diamond Quarter lists it at HK$628,545. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1418916380
Dimensions9.70 × 9.64 × 6.07 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.70 mm9.64 mm3.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1418916380
Side View
Table 58.0%Crown 34°Girdle: ThickPavilion 41.6°Culet: NoneDepth 62.7%

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 25
Current: HK$357,521 HKD|Low: HK$310,713 HKD|High: HK$607,906 HKD|Avg: HK$397,231 HKD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8HK$324,380 HKD
Retailer 2HK$339,570 HKD
Retailer 9HK$352,554 HKD
Retailer 1HK$357,521 HKD
Retailer 7HK$372,856 HKD
Retailer 5HK$375,958 HKD
Retailer 3HK$384,826 HKD
Retailer 10HK$400,633 HKD
Retailer 4HK$464,762 HKD
Retailer 6HK$601,469 HKD

39 data points across 10 retailers

28 retailersHK$324,380 HKD to HK$628,545 HKD

A
Cheapest Retailer
-
HK$324,380 HKD
$41,345 USD
B+
Retailer 2
-
HK$339,570 HKD
$43,281 USD
View
B+
Retailer 3
-
HK$348,545 HKD
$44,425 USD
View
B+
Retailer 4
-
HK$351,299 HKD
$44,776 USD
View
B+
Retailer 5
-
HK$352,344 HKD
$44,909 USD
View
B+
Retailer 6
-
HK$352,554 HKD
$44,936 USD
View
Final sale: no returns
B+
Retailer 7
-
HK$357,521 HKD
₹4,339,911 INR
View
B+
Retailer 8
-
HK$372,856 HKD
$47,524 USD
View
B+
Retailer 9
-
HK$375,958 HKD
$47,919 USD
View
B+
Retailer 10
-
HK$384,604 HKD
$49,021 USD
View
B+
Retailer 11
-
HK$384,826 HKD
£38,621 GBP
View
B+
Retailer 12
-
HK$394,090 HKD
$50,230 USD
View
B+
Retailer 13
-
HK$394,090 HKD
$50,230 USD
View
B+
Retailer 14
-
HK$394,333 HKD
$50,261 USD
View
Retailer 15
-
HK$400,633 HKD
$51,064 USD
View
Price last confirmed 7 days ago
B
Retailer 16
-
HK$400,633 HKD
$51,064 USD
View
B
Retailer 17
-
HK$407,270 HKD
$51,910 USD
View
B
Retailer 18
-
HK$411,379 HKD
$52,434 USD
View
Retailer 19
-
HK$414,316 HKD
$52,808 USD
View
Price last confirmed 63 days ago
Retailer 20
-
HK$416,654 HKD
$53,106 USD
View
Price last confirmed 50 days ago
B
Retailer 21
-
HK$416,654 HKD
$53,106 USD
View
Retailer 22
-
HK$432,016 HKD
$55,064 USD
View
Price last confirmed 8 days ago
Retailer 23
-
HK$432,683 HKD
$55,149 USD
View
Price last confirmed 55 days ago
Retailer 24
-
HK$432,683 HKD
$55,149 USD
View
Price last confirmed 8 days ago
Retailer 25
-
HK$444,314 HKD
$56,632 USD
View
Price last confirmed 8 days ago
B
Retailer 26
-
HK$464,762 HKD
€56,417 EUR
View
B
Retailer 27
-
HK$601,469 HKD
£60,364 GBP
View
Most Expensive
B
Diamond Quarter
3.5SI2G148010CCN · Oct 31
HK$628,545 HKD
£63,081 GBP
View
27 more retailers have this diamond
Prices start from HK$324,380 HKDSave up to HK$304,165 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$324,380 HKD