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Round|Natural|GIA

0.42ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2554687300

Certificate GIA 2554687300

Diamond specifications and retailer prices

From $498 SGD
₹37,010 INR
As of October 29, 2026
Save $535 SGD (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,383 SGD 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 2554687300. Listed at 17 retailers as of October 26, 2026, with a 107% 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 angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2554687300
Dimensions4.81 × 4.83 × 2.96 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
4.81 mm4.83 mm0.42 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554687300
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.4%

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: $832 SGD|Low: $497 SGD|High: $1,699 SGD|Avg: $901 SGD|-3.3%
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$498 SGD
Retailer 3$574 SGD
Retailer 10$676 SGD
Retailer 11$711 SGD
Retailer 9$714 SGD
Retailer 1$832 SGD
Retailer 2$836 SGD
Retailer 7$921 SGD
Retailer 6$923 SGD
Retailer 8$936 SGD
Retailer 12$1,033 SGD
Retailer 4$1,592 SGD

21 data points across 12 retailers

17 retailers$498 SGD to $1,033 SGD

A
Cheapest Retailer
-
$498 SGD
₹37,010 INR
A
Retailer 2
-
$574 SGD
HK$3,500 HKD
View
A
Retailer 3
-
$676 SGD
A$812 AUD
View
A
Retailer 4
-
$711 SGD
View
A
Retailer 5
-
$714 SGD
$557 USD
View
Retailer 6
-
$760 SGD
$593 USD
View
Price last confirmed 26 days ago
Retailer 7
-
$824 SGD
$643 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$832 SGD
£511 GBP
View
A
Retailer 9
-
$836 SGD
$652 USD
View
Retailer 10
-
$877 SGD
$684 USD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
$921 SGD
€684 EUR
View
B+
Retailer 12
-
$923 SGD
$720 USD
View
B+
Retailer 13
-
$936 SGD
$730 USD
View
B+
Retailer 14
-
$1,033 SGD
ZAR 13,019 ZAR
View
Retailer 15
-
$1,143 SGD
A$1,371 AUD
View
Price last confirmed 25 days ago
Retailer 16
-
$1,592 SGD
£978 GBP
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
51567a31-da6d-411f-b491-35861682594a · Oct 3
$2,383 SGD
$1,859 USD
View
Price last confirmed 27 days ago
16 more retailers have this diamond
Prices start from $498 SGDSave up to $535 SGD

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
$498 SGD