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Round|Natural|GIA

3.15ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 5556007603

Certificate GIA 5556007603

Diamond specifications and retailer prices

From HK$198,308 HKD
$25,276 USD
As of November 1, 2026
Save HK$144,405 HKD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$342,713 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 3.15ct natural round diamond

This 3.15ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5556007603. Listed at 10 retailers as of November 1, 2026, with prices from HK$198,308 to HK$342,713, a HK$144,405 spread on the same certified stone. MOH London lists it at HK$342,713. 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

3.15
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5556007603
Dimensions9.25 × 9.33 × 5.85 mm
L/W Ratio1.01
Top View
9.25 mm9.33 mm3.15 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556007603
Side View
Table 56.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$342,713 HKD|Low: HK$198,308 HKD|High: HK$352,687 HKD|Avg: HK$254,053 HKD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4HK$198,308 HKD
Retailer 5HK$211,820 HKD
Retailer 3HK$239,608 HKD
Retailer 7HK$239,608 HKD
Retailer 6HK$247,610 HKD
Retailer 8HK$255,181 HKD
Retailer 2HK$266,540 HKD
MOH LondonHK$342,713 HKD

32 data points across 8 retailers

10 retailersHK$198,308 HKD to HK$342,713 HKD

B+
Cheapest Retailer
-
HK$198,308 HKD
$25,276 USD
B+
Retailer 2
-
HK$211,820 HKD
$26,998 USD
View
Retailer 3
-
HK$232,437 HKD
$29,626 USD
View
Price last confirmed 35 days ago
Retailer 4
-
HK$234,296 HKD
$29,863 USD
View
Price last confirmed 33 days ago
B
Retailer 5
-
HK$239,608 HKD
$30,540 USD
View
B
Retailer 6
-
HK$239,608 HKD
$30,540 USD
View
Retailer 7
-
HK$241,734 HKD
$30,811 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
HK$247,610 HKD
$31,560 USD
View
B
Retailer 9
-
HK$266,540 HKD
€32,355 EUR
View
Most Expensive
B
MOH London
340465475 · Nov 1
HK$342,713 HKD
£34,395 GBP
View
9 more retailers have this diamond
Prices start from HK$198,308 HKDSave up to HK$144,405 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.

B+
3.15ct Round
HK$198,308 HKD