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Round|Natural|GIA

3.12ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2534381622

Certificate GIA 2534381622

Diamond specifications and retailer prices

From HK$182,606 HKD
CA$32,326 CAD
As of October 30, 2026
Save HK$117,451 HKD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$300,057 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 3.12ct natural round diamond

This 3.12ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2534381622. Listed at 14 retailers as of October 30, 2026, with prices from HK$182,606 to HK$300,057, a HK$117,451 spread on the same certified stone. MOH London lists it at HK$300,057. 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

3.12
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2534381622
Dimensions9.37 × 9.32 × 5.77 mm
L/W Ratio1.01
Top View
9.37 mm9.32 mm3.12 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534381622
Side View
Table 58.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.2°Culet: NDepth 61.8%

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: Oct 30
Current: HK$300,057 HKD|Low: HK$182,606 HKD|High: HK$310,739 HKD|Avg: HK$219,579 HKD|-3.4%
MOH London
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
November 1, 2026
Retailer 11HK$182,606 HKD
Retailer 13HK$183,752 HKD
Retailer 7HK$195,726 HKD
Retailer 12HK$199,901 HKD
Retailer 3HK$200,411 HKD
Retailer 5HK$203,023 HKD
Retailer 9HK$206,656 HKD
Retailer 14HK$206,656 HKD
Retailer 10HK$213,560 HKD
Retailer 2HK$226,388 HKD
Retailer 6HK$226,450 HKD
Retailer 4HK$233,635 HKD
Retailer 8HK$272,175 HKD
MOH LondonHK$300,057 HKD

40 data points across 14 retailers

14 retailersHK$182,606 HKD to HK$300,057 HKD

B+
Cheapest Retailer
-
HK$182,606 HKD
CA$32,326 CAD
B+
Retailer 2
-
HK$183,752 HKD
$23,421 USD
View
B+
Retailer 3
-
HK$195,726 HKD
£19,643 GBP
View
B+
Retailer 4
-
HK$199,901 HKD
$25,479 USD
View
B+
Retailer 5
-
HK$200,411 HKD
$25,544 USD
View
B+
Retailer 6
-
HK$203,023 HKD
$25,877 USD
View
B+
Retailer 7
-
HK$206,656 HKD
$26,340 USD
View
B+
Retailer 8
-
HK$206,656 HKD
$26,340 USD
View
B+
Retailer 9
-
HK$213,560 HKD
$27,220 USD
View
B
Retailer 10
-
HK$226,388 HKD
€27,481 EUR
View
B
Retailer 11
-
HK$226,450 HKD
$28,863 USD
View
B
Retailer 12
-
HK$233,635 HKD
$29,779 USD
View
B
Retailer 13
-
HK$272,175 HKD
$34,691 USD
View
Most Expensive
B
MOH London
C7A3F0535 · Nov 1
HK$300,057 HKD
£30,114 GBP
View
13 more retailers have this diamond
Prices start from HK$182,606 HKDSave up to HK$117,451 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+
3.12ct Round
HK$182,606 HKD