Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 7551576058

Certificate GIA 7551576058

Diamond specifications and retailer prices

From $366 USD
₹34,816 INR
As of October 29, 2026
Save $775 USD (68%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,922 USD 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 7551576058. Listed at 18 retailers as of October 29, 2026, with a 212% 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
FluorescenceFaint
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7551576058
Dimensions4.84 × 4.83 × 2.93 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Knot
Top View
4.84 mm4.83 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551576058
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.6%

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: $609 USD|Low: $365 USD|High: $1,165 USD|Avg: $653 USD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 7$366 USD
Retailer 4$422 USD
Retailer 14$522 USD
Retailer 13$528 USD
Retailer 9$529 USD
Retailer 1$609 USD
Retailer 3$622 USD
Retailer 5$665 USD
Retailer 11$678 USD
Retailer 12$691 USD
Retailer 8$695 USD
Retailer 6$754 USD
Retailer 2$759 USD
Retailer 10$1,140 USD

28 data points across 14 retailers

18 retailers$366 USD to $1,140 USD

A
Cheapest Retailer
-
$366 USD
₹34,816 INR
A
Retailer 2
-
$422 USD
HK$3,300 HKD
View
A
Retailer 3
-
$501 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$522 USD
SGD 706 SGD
View
A
Retailer 5
-
$528 USD
View
A
Retailer 6
-
$529 USD
View
A
Retailer 7
-
$540 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$579 USD
View
Price last confirmed 29 days ago
A
Retailer 9
-
$609 USD
£480 GBP
View
A
Retailer 10
-
$622 USD
View
A
Retailer 11
-
$665 USD
View
B+
Retailer 12
-
$678 USD
€646 EUR
View
B+
Retailer 13
-
$691 USD
View
B+
Retailer 14
-
$695 USD
View
B+
Retailer 15
-
$754 USD
A$1,160 AUD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
$759 USD
ZAR 12,257 ZAR
View
B
Retailer 17
-
$1,140 USD
£898 GBP
View
Most Expensive
B
NZ Jewellers
7a0a9533-2184-4353-84bd-0a4faeffbd68 · Sep 28
$1,922 USD
View
Price last confirmed 31 days ago
17 more retailers have this diamond
Prices start from $366 USDSave up to $775 USD

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
$366 USD