Round|Natural|GIA

5.05ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 5171423019

Certificate GIA 5171423019

Diamond specifications and retailer prices

From $51,030 USD
As of November 1, 2026
Save $44,087 USD (46%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $95,117 USD at MOH London · As of November 1, 2026
View at MOH London

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 very-good cut grade and certified by GIA 5171423019. Listed at 22 retailers as of November 1, 2026, with prices from $51,030 to $95,117, a $44,087 spread on the same certified stone. MOH London lists it at $95,117. 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

5.05
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 5171423019
Dimensions11.12 × 11.27 × 6.65 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
11.12 mm11.27 mm5.05 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5171423019
Side View
Table 65.0%Crown 32°Girdle: THN-MEDPavilion 41.8°Culet: NoneDepth 59.4%

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: $95,117 USD|Low: $50,222 USD|High: $98,182 USD|Avg: $65,196 USD|-2.0%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
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Retailer 11
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Retailer 22
November 1, 2026
Retailer 19$51,030 USD
Retailer 3$55,193 USD
Retailer 11$55,827 USD
Retailer 10$58,935 USD
Retailer 15$58,936 USD
Retailer 17$59,086 USD
Retailer 16$60,460 USD
Retailer 5$60,903 USD
Retailer 20$63,040 USD
Retailer 22$63,040 USD
Retailer 7$63,256 USD
Retailer 8$63,441 USD
Retailer 21$63,441 USD
Retailer 12$64,653 USD
Retailer 18$65,140 USD
Retailer 9$65,152 USD
Retailer 14$65,979 USD
Retailer 4$67,702 USD
Retailer 6$68,516 USD
Retailer 2$73,570 USD
Retailer 13$73,690 USD
MOH London$95,117 USD

40 data points across 22 retailers

22 retailers$51,030 USD to $95,117 USD

A
Cheapest Retailer
-
$51,030 USD
B+
Retailer 2
-
$55,193 USD
View
B+
Retailer 3
-
$55,827 USD
View
Final sale: no returns
B+
Retailer 4
-
$58,935 USD
View
Retailer 5
-
$58,936 USD
A$90,670 AUD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
$59,086 USD
View
B+
Retailer 7
-
$60,460 USD
£47,607 GBP
View
B+
Retailer 8
-
$60,903 USD
View
B+
Retailer 9
-
$63,040 USD
View
B+
Retailer 10
-
$63,040 USD
View
B+
Retailer 11
-
$63,256 USD
View
B+
Retailer 12
-
$63,441 USD
View
B+
Retailer 13
-
$63,441 USD
View
B+
Retailer 14
-
$64,653 USD
View
B+
Retailer 15
-
$65,140 USD
View
B+
Retailer 16
-
$65,152 USD
View
B+
Retailer 17
-
$65,979 USD
View
B
Retailer 18
-
$67,702 USD
View
B
Retailer 19
-
$68,516 USD
View
B
Retailer 20
-
$73,570 USD
€70,067 EUR
View
B
Retailer 21
-
$73,690 USD
ZAR 1,190,466 ZAR
View
Most Expensive
B
MOH London
D6E5F7DED · Nov 1
$95,117 USD
£74,895 GBP
View
21 more retailers have this diamond
Prices start from $51,030 USDSave up to $44,087 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
$51,030 USD