CaratHunter
Plans
Round|Natural|GIA

3.40ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1242049742

Certificate GIA 1242049742

Diamond specifications and retailer prices

From HK$143,407 HKD
As of October 30, 2026
Save HK$125,772 HKD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$269,179 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 3.4ct natural round diamond

This 3.4ct 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 1242049742. Listed at 9 retailers as of October 29, 2026, with prices from HK$143,407 to HK$269,179, a HK$125,772 spread on the same certified stone. MOH London lists it at HK$269,179. 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

3.40
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242049742
Dimensions9.52 × 9.58 × 5.99 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.52 mm9.58 mm3.40 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242049742
Side View
Table 56.0%CrownGirdle: MED-STKPavilion 40.6°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 30
Current: HK$269,179 HKD|Low: HK$143,407 HKD|High: HK$282,520 HKD|Avg: HK$196,604 HKD|-4.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2HK$143,407 HKD
Retailer 5HK$163,277 HKD
Retailer 4HK$178,498 HKD
Retailer 6HK$196,430 HKD
Retailer 3HK$212,037 HKD
MOH LondonHK$269,179 HKD

36 data points across 6 retailers

9 retailersHK$143,407 HKD to HK$269,179 HKD

A
Cheapest Retailer
-
HK$143,407 HKD
Retailer 2
-
HK$163,277 HKD
SGD 28,123 SGD
View
Price last confirmed 19 days ago
A
Retailer 3
-
HK$178,498 HKD
$22,751 USD
View
B+
Retailer 4
-
HK$196,430 HKD
A$38,518 AUD
View
Retailer 5
-
HK$202,929 HKD
$25,865 USD
View
Price last confirmed 15 days ago
Retailer 6
-
HK$207,189 HKD
$26,408 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
HK$212,037 HKD
€25,739 EUR
View
Retailer 8
-
HK$245,461 HKD
$31,286 USD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
E84C37AC0 · Oct 29
HK$269,179 HKD
£27,015 GBP
View
8 more retailers have this diamond
Prices start from HK$143,407 HKDSave up to HK$125,772 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
3.40ct Round
HK$143,407 HKD