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Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6542117394

Certificate GIA 6542117394

Diamond specifications and retailer prices

From HK$2,544 HKD
₹30,876 INR
As of October 28, 2026
Save HK$5,428 HKD (68%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$15,081 HKD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.42ct natural round diamond

This 0.42ct natural round sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542117394. Listed at 18 retailers as of October 28, 2026, with a 213% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.42
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6542117394
Dimensions4.82 × 4.80 × 2.98 mm
L/W Ratio1.00
Star length50%
Top View
4.82 mm4.80 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542117394
Side View
Table 57.0%Crown 36°Girdle: MED-MEDPavilion 40.6°Culet: NoneDepth 61.9%

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 28
Current: HK$7,972 HKD|Low: HK$2,541 HKD|High: HK$8,490 HKD|Avg: HK$4,601 HKD|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 7HK$2,544 HKD
Retailer 13HK$3,013 HKD
Retailer 2HK$3,675 HKD
Retailer 12HK$3,782 HKD
Retailer 5HK$4,072 HKD
Retailer 11HK$4,216 HKD
Retailer 4HK$4,533 HKD
Retailer 6HK$4,857 HKD
Retailer 9HK$4,886 HKD
Retailer 10HK$5,022 HKD
Retailer 3HK$5,423 HKD
Retailer 8HK$5,644 HKD
Retailer 1HK$7,972 HKD

19 data points across 13 retailers

18 retailersHK$2,544 HKD to HK$7,972 HKD

A
Cheapest Retailer
-
HK$2,544 HKD
₹30,876 INR
A
Retailer 2
-
HK$3,013 HKD
View
A
Retailer 3
-
HK$3,675 HKD
SGD 633 SGD
View
A
Retailer 4
-
HK$3,782 HKD
$482 USD
View
A
Retailer 5
-
HK$3,931 HKD
$501 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
HK$4,072 HKD
$519 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
HK$4,216 HKD
£423 GBP
View
A
Retailer 8
-
HK$4,237 HKD
$540 USD
View
Price last confirmed 30 days ago
A
Retailer 9
-
HK$4,533 HKD
$578 USD
View
A
Retailer 10
-
HK$4,543 HKD
$579 USD
View
Price last confirmed 29 days ago
A
Retailer 11
-
HK$4,857 HKD
$619 USD
View
A
Retailer 12
-
HK$4,886 HKD
$623 USD
View
A
Retailer 13
-
HK$5,022 HKD
$640 USD
View
B+
Retailer 14
-
HK$5,423 HKD
ZAR 11,165 ZAR
View
B+
Retailer 15
-
HK$5,644 HKD
€685 EUR
View
B+
Retailer 16
-
HK$5,916 HKD
A$1,160 AUD
View
Price last confirmed 25 days ago
B+
Retailer 17
-
HK$7,972 HKD
£800 GBP
View
Most Expensive
B
NZ Jewellers
7ba2e992-bd3d-4f88-9831-fa0f5bbdbde4 · Sep 28
HK$15,081 HKD
$1,922 USD
View
Price last confirmed 31 days ago
17 more retailers have this diamond
Prices start from HK$2,544 HKDSave up to HK$5,428 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
0.42ct Round
HK$2,544 HKD