CaratHunter
Plans
Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1508586417

Certificate GIA 1508586417

Diamond specifications and retailer prices

From €409 EUR
₹43,305 INR
As of October 29, 2026
Save €1,333 EUR (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,741 EUR at NZ Jewellers · As of October 30, 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 1508586417. Listed at 22 retailers as of October 29, 2026, with prices from €409 to €1,741, a €1,333 spread on the same certified stone. NZ Jewellers lists it at €1,741. 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
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1508586417
Dimensions4.80 × 4.82 × 2.96 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
4.80 mm4.82 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1508586417
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

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: €1,741 EUR|Low: €406 EUR|High: €1,741 EUR|Avg: €962 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4€409 EUR
Retailer 8€597 EUR
Retailer 2€680 EUR
Retailer 3€749 EUR
Retailer 9€835 EUR
Retailer 6€859 EUR
Retailer 10€1,138 EUR
Retailer 7€1,285 EUR
Retailer 5€1,312 EUR
NZ Jewellers€1,741 EUR

32 data points across 10 retailers

22 retailers€409 EUR to €1,741 EUR

A
Cheapest Retailer
-
€409 EUR
₹43,305 INR
A
Retailer 2
-
€537 EUR
A$919 AUD
View
Retailer 3
-
€555 EUR
$618 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
€555 EUR
$618 USD
View
B+
Retailer 5
-
€578 EUR
SGD 870 SGD
View
B+
Retailer 6
-
€597 EUR
$665 USD
View
B+
Retailer 7
-
€598 EUR
$666 USD
View
B+
Retailer 8
-
€598 EUR
$666 USD
View
Retailer 9
-
€641 EUR
$713 USD
View
Price last confirmed 36 days ago
B+
Retailer 10
-
€674 EUR
$750 USD
View
B+
Retailer 11
-
€680 EUR
£596 GBP
View
B+
Retailer 12
-
€702 EUR
$781 USD
View
B+
Retailer 13
-
€749 EUR
View
B+
Retailer 14
-
€767 EUR
$853 USD
View
Retailer 15
-
€835 EUR
A$1,430 AUD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
€859 EUR
ZAR 15,454 ZAR
View
B
Retailer 17
-
€1,006 EUR
£881 GBP
View
Retailer 18
-
€1,138 EUR
£997 GBP
View
Price last confirmed 30 days ago
B
Retailer 19
-
€1,285 EUR
£1,126 GBP
View
B
Retailer 20
-
€1,312 EUR
£1,150 GBP
View
Retailer 21
-
€1,741 EUR
$1,938 USD
View
Price last confirmed 35 days ago
Most Expensive
B
NZ Jewellers
3385e125-9547-4617-846b-5ea2a2056a89 · Oct 30
€1,741 EUR
$1,938 USD
View
21 more retailers have this diamond
Prices start from €409 EURSave up to €1,333 EUR

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
€409 EUR