Round|Natural|GIA

5.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2225428793

Certificate GIA 2225428793

Diamond specifications and retailer prices

From $69,297 USD
As of November 2, 2026
Save $23,937 USD (26%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $94,886 USD at Cape Diamonds · As of October 17, 2026
View at Cape Diamonds

About this 5.5ct natural round diamond

This 5.5ct 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 2225428793. Listed at 11 retailers as of November 2, 2026, with a 35% 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

5.50
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2225428793
Dimensions11.38 × 11.41 × 6.92 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
11.38 mm11.41 mm5.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225428793
Side View
Table 60.0%Crown 31.5°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 60.7%

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 2
Current: $94,886 USD|Low: $69,297 USD|High: $94,997 USD|Avg: $80,998 USD|+0.7%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 8$69,297 USD
Retailer 2$71,323 USD
Retailer 4$75,290 USD
Retailer 6$77,864 USD
Retailer 7$79,130 USD
Retailer 5$85,590 USD
Retailer 3$93,234 USD
Cape Diamonds$94,886 USD

41 data points across 8 retailers

11 retailers$69,297 USD to $93,234 USD

B+
Cheapest Retailer
-
$69,297 USD
B+
Retailer 2
-
$71,323 USD
₹6,792,699 INR
View
B+
Retailer 3
-
$71,815 USD
View
B+
Retailer 4
-
$75,290 USD
View
Retailer 5
-
$75,290 USD
View
Price last confirmed 27 days ago
Retailer 6
-
$75,290 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$77,864 USD
View
Final sale: no returns
B+
Retailer 8
-
$79,130 USD
View
B
Retailer 9
-
$85,590 USD
£67,394 GBP
View
B
Retailer 10
-
$93,234 USD
€88,794 EUR
View
Most Expensive
Cape Diamonds
cert_2225428793 · Oct 17
$94,886 USD
ZAR 1,532,891 ZAR
View
Price last confirmed 16 days ago
10 more retailers have this diamond
Prices start from $69,297 USDSave up to $23,937 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+
5.50ct Round
$69,297 USD