Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566515261

Certificate GIA 2566515261

Diamond specifications and retailer prices

From $277 USD
₹26,400 INR
As of November 1, 2026
Save $1,177 USD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,454 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 2566515261. Listed at 20 retailers as of October 30, 2026, with prices from $277 to $1,454, a $1,177 spread on the same certified stone. NZ Jewellers lists it at $1,454. 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
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566515261
Dimensions4.91 × 4.93 × 3.04 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather
Top View
4.91 mm4.93 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566515261
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.7%

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: Nov 1
Current: $1,454 USD|Low: $277 USD|High: $1,454 USD|Avg: $555 USD|+0.9%
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
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 13$277 USD
Retailer 11$333 USD
Retailer 8$359 USD
Retailer 20$376 USD
Retailer 12$405 USD
Retailer 6$409 USD
Retailer 7$423 USD
Retailer 10$423 USD
Retailer 3$476 USD
Retailer 18$487 USD
Retailer 9$506 USD
Retailer 14$507 USD
Retailer 4$542 USD
Retailer 19$567 USD
Retailer 5$588 USD
Retailer 16$590 USD
Retailer 2$627 USD
Retailer 15$761 USD
Retailer 17$869 USD
NZ Jewellers$1,454 USD

17 data points across 20 retailers

20 retailers$277 USD to $1,454 USD

A
Cheapest Retailer
-
$277 USD
₹26,400 INR
A
Retailer 2
-
$333 USD
HK$2,600 HKD
View
A
Retailer 3
-
$359 USD
View
A
Retailer 4
-
$376 USD
View
A
Retailer 5
-
$405 USD
SGD 547 SGD
View
A
Retailer 6
-
$409 USD
View
A
Retailer 7
-
$423 USD
View
A
Retailer 8
-
$423 USD
View
B+
Retailer 9
-
$476 USD
£375 GBP
View
B+
Retailer 10
-
$487 USD
£384 GBP
View
B+
Retailer 11
-
$506 USD
View
B+
Retailer 12
-
$507 USD
View
B+
Retailer 13
-
$542 USD
View
B+
Retailer 14
-
$567 USD
View
B+
Retailer 15
-
$588 USD
ZAR 9,504 ZAR
View
B+
Retailer 16
-
$590 USD
View
B+
Retailer 17
-
$627 USD
€597 EUR
View
B
Retailer 18
-
$761 USD
£599 GBP
View
B
Retailer 19
-
$869 USD
£684 GBP
View
Most Expensive
B
NZ Jewellers
0a2bfe8e-fc94-4022-b8e1-13fced6c462f · Oct 30
$1,454 USD
View
19 more retailers have this diamond
Prices start from $277 USDSave up to $1,177 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
$277 USD