Round|Natural|GIA

3.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6235750387

Shape and cutting style on the report: Round brilliant

Certificate GIA 6235750387

Diamond specifications and retailer prices

From HK$221,539 HKD
$28,237 USD
As of October 31, 2026
Save HK$220,244 HKD (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$441,784 HKD at Carbon Sparkle · As of October 29, 2026
View at Carbon Sparkle

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6235750387. Listed at 10 retailers as of October 29, 2026, with prices from HK$221,539 to HK$441,784, a HK$220,244 spread on the same certified stone. Carbon Sparkle lists it at HK$441,784. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6235750387
Dimensions9.60 × 9.65 × 6.06 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
9.60 mm9.65 mm3.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6235750387
Side View
Table 56.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.9%

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$441,784 HKD|Low: HK$221,539 HKD|High: HK$470,514 HKD|Avg: HK$371,793 HKD
Carbon Sparkle
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 2HK$221,539 HKD
Retailer 6HK$230,075 HKD
Retailer 5HK$239,851 HKD
Retailer 4HK$248,481 HKD
Retailer 3HK$258,304 HKD
Retailer 8HK$384,837 HKD
Retailer 7HK$389,587 HKD
Retailer 9HK$407,804 HKD
Retailer 10HK$424,798 HKD
Carbon SparkleHK$441,784 HKD

26 data points across 10 retailers

10 retailersHK$221,539 HKD to HK$441,784 HKD

A
Cheapest Retailer
-
HK$221,539 HKD
$28,237 USD
A
Retailer 2
-
HK$230,075 HKD
$29,325 USD
View
A
Retailer 3
-
HK$239,851 HKD
$30,571 USD
View
A
Retailer 4
-
HK$248,481 HKD
$31,671 USD
View
A
Retailer 5
-
HK$258,304 HKD
$32,923 USD
View
B
Retailer 6
-
HK$384,837 HKD
€46,715 EUR
View
B
Retailer 7
-
HK$389,587 HKD
CA$68,967 CAD
View
B
Retailer 8
-
HK$407,804 HKD
$51,978 USD
View
B
Retailer 9
-
HK$424,798 HKD
$54,144 USD
View
Most Expensive
B
Carbon Sparkle
903b5c36-1973-4ed3-a788-65674f4aa57c · Oct 29
HK$441,784 HKD
$56,309 USD
View
9 more retailers have this diamond
Prices start from HK$221,539 HKDSave up to HK$220,244 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$221,539 HKD