Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6361287107

Certificate GIA 6361287107

Diamond specifications and retailer prices

From $290 USD
As of November 4, 2026
Save $938 USD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,254 USD at NZ Jewellers · As of September 15, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6361287107. Listed at 15 retailers as of November 4, 2026, with a 323% 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6361287107
Dimensions4.88 × 4.85 × 3.06 mm
L/W Ratio1.01
Top View
4.88 mm4.85 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6361287107
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

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 4
Current: $1,228 USD|Low: $290 USD|High: $1,228 USD|Avg: $477 USD
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
November 5, 2026
Retailer 3$290 USD
Retailer 14$305 USD
Retailer 11$312 USD
Retailer 10$324 USD
Retailer 5$350 USD
Retailer 8$378 USD
Retailer 4$391 USD
Retailer 13$412 USD
Retailer 12$438 USD
Retailer 7$482 USD
Retailer 6$498 USD
Retailer 2$596 USD
Retailer 9$744 USD
NZ Jewellers$1,228 USD

26 data points across 14 retailers

15 retailers$290 USD to $1,228 USD

A
Cheapest Retailer
-
$290 USD
Retailer 2
-
$296 USD
View
Price last confirmed 51 days ago
Retailer 3
-
$305 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$312 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$324 USD
View
A
Retailer 6
-
$378 USD
View
A
Retailer 7
-
$391 USD
View
Retailer 8
-
$399 USD
View
Price last confirmed 53 days ago
A
Retailer 9
-
$412 USD
View
B+
Retailer 10
-
$438 USD
View
B+
Retailer 11
-
$482 USD
View
B+
Retailer 12
-
$596 USD
View
Retailer 13
-
$744 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,228 USD
View
Most Expensive
NZ Jewellers
2e5a8446-3ba5-42fd-a424-8d63812379a4 · Sep 15
$1,254 USD
View
Price last confirmed 51 days ago
14 more retailers have this diamond
Prices start from $290 USDSave up to $938 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
$290 USD