Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6385677797

Certificate GIA 6385677797

Diamond specifications and retailer prices

From $379 USD
As of November 5, 2026
Save $360 USD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $739 USD at MOH London · As of November 4, 2026
View at MOH London

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 very-good cut grade and certified by GIA 6385677797. Listed at 12 retailers as of November 4, 2026, with prices from $379 to $739, a $360 spread on the same certified stone. MOH London lists it at $739. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.45
Carat
J
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle33°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 6385677797
Dimensions4.82 × 4.81 × 3.09 mm
L/W Ratio1.00
Top View
4.82 mm4.81 mm0.45 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6385677797
Side View
Table 57.0%Crown 33°Girdle: ThickPavilion 42°Culet: NoneDepth 64.2%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $739 USD|Low: $305 USD|High: $765 USD|Avg: $451 USD|-2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 9$305 USD
Retailer 6$312 USD
Retailer 11$379 USD
Retailer 4$400 USD
Retailer 10$400 USD
Retailer 5$410 USD
Retailer 8$412 USD
Retailer 7$438 USD
Retailer 3$498 USD
Retailer 2$596 USD
MOH London$739 USD

24 data points across 11 retailers

12 retailers$379 USD to $739 USD

Retailer 1
-
$305 USD
Price last confirmed 26 days ago
Retailer 2
-
$312 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$379 USD
View
Retailer 4
-
$384 USD
View
Price last confirmed 324 days ago
B+
Retailer 5
-
$400 USD
View
B+
Retailer 6
-
$400 USD
View
B+
Retailer 7
-
$410 USD
View
B+
Retailer 8
-
$412 USD
View
B+
Retailer 9
-
$438 USD
View
B
Retailer 10
-
$510 USD
View
B
Retailer 11
-
$596 USD
View
Most Expensive
B
MOH London
40B343232 · Nov 4
$739 USD
£582 GBP
View
11 more retailers have this diamond
Prices start from $379 USDSave up to $360 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.

B+
0.45ct Round
$379 USD