Round|Natural|GIA

5.05ct J SI1 Round Natural Diamond

EX • J/SI1

Diamond specifications and retailer prices

From $54,941 USD
As of November 2, 2026
Save $11,622 USD (17%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $66,563 USD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 5.05ct natural round diamond

This 5.05ct natural round sits in the over five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 10 retailers as of November 2, 2026, with prices from $54,941 to $66,563, a $11,622 spread on the same certified stone. The Diamond Guys lists it at $66,563. 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

5.05
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions11.12 × 11.27 × 6.65 mm
L/W Ratio1.01
Top View
11.12 mm11.27 mm5.05 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 65.0%CrownGirdle: ThinPavilionCulet: NoneDepth 59.4%

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 2
Current: $60,405 USD|Low: $54,941 USD|High: $67,843 USD|Avg: $60,604 USD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
The Diamond Guys
November 2, 2026
Retailer 8$54,941 USD
Retailer 6$55,171 USD
Retailer 9$55,835 USD
Retailer 3$57,030 USD
Retailer 5$58,837 USD
Retailer 1$60,405 USD
Retailer 4$60,574 USD
Retailer 2$62,072 USD
Retailer 10$66,534 USD
Retailer 7$66,563 USD
The Diamond Guys$66,563 USD

45 data points across 11 retailers

10 retailers$54,941 USD to $66,563 USD

A
Cheapest Retailer
-
$54,941 USD
B+
Retailer 2
-
$55,171 USD
View
B+
Retailer 3
-
$55,835 USD
View
B+
Retailer 4
-
$57,030 USD
₹5,431,387 INR
View
B+
Retailer 5
-
$58,837 USD
CA$81,718 CAD
View
B+
Retailer 6
-
$60,405 USD
£47,563 GBP
View
B+
Retailer 7
-
$60,574 USD
View
Retailer 8
-
$66,534 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
$66,563 USD
View
Most Expensive
B
The Diamond Guys
1979273667 · Nov 2
$66,563 USD
View
9 more retailers have this diamond
Prices start from $54,941 USDSave up to $11,622 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
5.05ct Round
$54,941 USD