Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1459070089

Certificate GIA 1459070089

Diamond specifications and retailer prices

From $200 USD
₹19,088 INR
As of November 1, 2026
Save $1,090 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,290 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1459070089. Listed at 22 retailers as of October 30, 2026, with prices from $200 to $1,290, a $1,090 spread on the same certified stone. NZ Jewellers lists it at $1,290. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1459070089
Dimensions4.89 × 4.84 × 3.07 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Girdle conditionFaceted
Key to symbols
Crystal, Cloud
Top View
4.89 mm4.84 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1459070089
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,290 USD|Low: $200 USD|High: $1,331 USD|Avg: $442 USD|-3.1%
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
Retailer 17
November 1, 2026
Retailer 2$200 USD
Retailer 4$243 USD
Retailer 16$275 USD
Retailer 8$307 USD
Retailer 9$309 USD
Retailer 15$317 USD
Retailer 14$328 USD
Retailer 3$329 USD
Retailer 13$347 USD
Retailer 17$368 USD
Retailer 5$370 USD
Retailer 10$405 USD
Retailer 7$442 USD
Retailer 6$480 USD
Retailer 11$500 USD
Retailer 12$635 USD
NZ Jewellers$1,290 USD

18 data points across 17 retailers

22 retailers$200 USD to $1,290 USD

A
Cheapest Retailer
-
$200 USD
₹19,088 INR
A
Retailer 2
-
$243 USD
HK$1,900 HKD
View
A
Retailer 3
-
$275 USD
View
A
Retailer 4
-
$307 USD
View
A
Retailer 5
-
$309 USD
SGD 417 SGD
View
A
Retailer 6
-
$317 USD
View
A
Retailer 7
-
$328 USD
A$505 AUD
View
A
Retailer 8
-
$329 USD
View
A
Retailer 9
-
$347 USD
£273 GBP
View
Retailer 10
-
$362 USD
View
Price last confirmed 33 days ago
Retailer 11
-
$366 USD
View
Price last confirmed 46 days ago
A
Retailer 12
-
$368 USD
£290 GBP
View
A
Retailer 13
-
$370 USD
View
A
Retailer 14
-
$405 USD
View
Retailer 15
-
$437 USD
View
Price last confirmed 33 days ago
A
Retailer 16
-
$442 USD
ZAR 7,135 ZAR
View
B+
Retailer 17
-
$480 USD
€457 EUR
View
B+
Retailer 18
-
$500 USD
View
Retailer 19
-
$516 USD
A$793 AUD
View
Price last confirmed 32 days ago
B+
Retailer 20
-
$635 USD
£500 GBP
View
Retailer 21
-
$1,256 USD
View
Price last confirmed 34 days ago
Most Expensive
C
NZ Jewellers
e481d428-3ccd-493c-8bed-72d24fceb377 · Oct 30
$1,290 USD
View
21 more retailers have this diamond
Prices start from $200 USDSave up to $1,090 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
0.45ct Round
$200 USD