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Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1537690621

Certificate GIA 1537690621

Diamond specifications and retailer prices

From $538 CAD
₹36,628 INR
As of October 29, 2026
Save $1,138 CAD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,512 CAD at NZ Jewellers · As of October 3, 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 1537690621. Listed at 17 retailers as of October 29, 2026, with a 211% 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1537690621
Dimensions4.86 × 4.89 × 2.89 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
4.86 mm4.89 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1537690621
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.2%

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 29
Current: $897 CAD|Low: $537 CAD|High: $1,765 CAD|Avg: $944 CAD|-4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 5$538 CAD
Retailer 4$627 CAD
Retailer 11$732 CAD
Retailer 12$768 CAD
Retailer 10$773 CAD
Retailer 1$897 CAD
Retailer 3$906 CAD
Retailer 8$993 CAD
Retailer 6$1,001 CAD
Retailer 9$1,011 CAD
Retailer 2$1,117 CAD
Retailer 7$1,676 CAD

21 data points across 12 retailers

17 retailers$538 CAD to $1,676 CAD

A
Cheapest Retailer
-
$538 CAD
₹36,628 INR
A
Retailer 2
-
$627 CAD
HK$3,500 HKD
View
A
Retailer 3
-
$732 CAD
A$804 AUD
View
A
Retailer 4
-
$768 CAD
SGD 742 SGD
View
A
Retailer 5
-
$773 CAD
$552 USD
View
Retailer 6
-
$801 CAD
$572 USD
View
Price last confirmed 26 days ago
Retailer 7
-
$869 CAD
$621 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$897 CAD
£505 GBP
View
A
Retailer 9
-
$906 CAD
$647 USD
View
Retailer 10
-
$925 CAD
$661 USD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
$993 CAD
€676 EUR
View
B+
Retailer 12
-
$1,001 CAD
$715 USD
View
B+
Retailer 13
-
$1,011 CAD
$723 USD
View
B+
Retailer 14
-
$1,117 CAD
ZAR 12,892 ZAR
View
Retailer 15
-
$1,205 CAD
A$1,324 AUD
View
Price last confirmed 25 days ago
B
Retailer 16
-
$1,676 CAD
£943 GBP
View
Most Expensive
NZ Jewellers
cf57c539-6933-4193-bf06-f1c5871f9122 · Oct 3
$2,512 CAD
$1,795 USD
View
Price last confirmed 26 days ago
16 more retailers have this diamond
Prices start from $538 CADSave up to $1,138 CAD

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
$538 CAD