Oval|Natural|GIA

0.45ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 3545124521

Certificate GIA 3545124521

Diamond specifications and retailer prices

From $898 NZD
£398 GBP
As of October 28, 2026
Save $511 NZD (36%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,654 NZD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.45ct natural oval diamond

This 0.45ct natural oval sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545124521. Listed at 14 retailers as of October 28, 2026, with a 57% 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

0.45
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3545124521
Dimensions6.03 × 4.32 × 2.68 mm
L/W Ratio1.40
Top View
6.03 mm4.32 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3545124521
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,654 NZD|Low: $693 NZD|High: $2,654 NZD|Avg: $1,154 NZD
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
October 28, 2026
Retailer 6$693 NZD
Retailer 13$746 NZD
Retailer 3$773 NZD
Retailer 12$800 NZD
Retailer 7$898 NZD
Retailer 5$931 NZD
Retailer 4$1,029 NZD
Retailer 10$1,072 NZD
Retailer 8$1,075 NZD
Retailer 14$1,109 NZD
Retailer 9$1,252 NZD
Retailer 2$1,409 NZD
Retailer 11$1,600 NZD
NZ Jewellers$2,654 NZD

40 data points across 14 retailers

14 retailers$898 NZD to $1,409 NZD

Retailer 1
-
$693 NZD
$390 USD
Price last confirmed 7 days ago
Retailer 2
-
$746 NZD
$420 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$773 NZD
$435 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$800 NZD
$450 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$898 NZD
£398 GBP
View
B
Retailer 6
-
$931 NZD
$524 USD
View
Retailer 7
-
$1,029 NZD
$579 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$1,072 NZD
ZAR 9,740 ZAR
View
Price last confirmed 7 days ago
Retailer 9
-
$1,075 NZD
$605 USD
View
Price last confirmed 5 days ago
Retailer 10
-
$1,109 NZD
A$960 AUD
View
Price last confirmed 29 days ago
B
Retailer 11
-
$1,252 NZD
€671 EUR
View
B
Retailer 12
-
$1,409 NZD
£624 GBP
View
Retailer 13
-
$1,600 NZD
£709 GBP
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
11779e96-7465-40bd-b107-68c79f39ba90 · Oct 27
$2,654 NZD
$1,493 USD
View
Price under review
13 more retailers have this diamond
Prices start from $898 NZDSave up to $511 NZD

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.

B+
0.45ct Oval
$898 NZD