Round|Natural|GIA

0.42ct E SI2 Round Natural Diamond

EX • E/SI2

Diamond specifications and retailer prices

From €223 EUR
₹23,746 INR
As of October 31, 2026
Save €1,100 EUR (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,361 EUR 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 20 retailers as of October 30, 2026, with a 493% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions4.77 × 4.73 × 3.00 mm
L/W Ratio1.01
Top View
4.77 mm4.73 mm0.42 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.2%

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 31
Current: €1,249 EUR|Low: €223 EUR|High: €1,315 EUR|Avg: €506 EUR|-5.0%
NZ Jewellers
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 16€223 EUR
Retailer 9€264 EUR
Retailer 12€282 EUR
Retailer 15€310 EUR
Retailer 7€347 EUR
Retailer 5€353 EUR
Retailer 6€365 EUR
Retailer 14€396 EUR
Retailer 10€427 EUR
Retailer 3€439 EUR
Retailer 8€457 EUR
Retailer 4€498 EUR
Retailer 2€513 EUR
Retailer 11€638 EUR
Retailer 13€716 EUR
NZ Jewellers€1,249 EUR

21 data points across 16 retailers

20 retailers€223 EUR to €1,324 EUR

A
Cheapest Retailer
-
€223 EUR
₹23,746 INR
A
Retailer 2
-
€264 EUR
HK$2,300 HKD
View
A
Retailer 3
-
€282 EUR
$315 USD
View
A
Retailer 4
-
€310 EUR
$346 USD
View
A
Retailer 5
-
€347 EUR
SGD 524 SGD
View
A
Retailer 6
-
€353 EUR
$394 USD
View
Retailer 7
-
€354 EUR
$396 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
€365 EUR
$408 USD
View
A
Retailer 9
-
€396 EUR
£349 GBP
View
Retailer 10
-
€409 EUR
$457 USD
View
Price last confirmed 34 days ago
A
Retailer 11
-
€427 EUR
$477 USD
View
A
Retailer 12
-
€439 EUR
$490 USD
View
Retailer 13
-
€457 EUR
$511 USD
View
Price last confirmed 8 days ago
A
Retailer 14
-
€498 EUR
$556 USD
View
A
Retailer 15
-
€513 EUR
View
B+
Retailer 16
-
€638 EUR
£561 GBP
View
B+
Retailer 17
-
€716 EUR
£630 GBP
View
B
Retailer 18
-
€1,249 EUR
$1,395 USD
View
B
Retailer 19
-
€1,324 EUR
CA$2,054 CAD
View
Most Expensive
NZ Jewellers
66acc9f9-7d8c-49b1-ae4a-1d6a558c5f76 · Sep 28
€1,361 EUR
$1,520 USD
View
Price last confirmed 34 days ago
19 more retailers have this diamond
Prices start from €223 EURSave up to €1,100 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
€223 EUR