Round|Natural|GIA

5.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2225428793

Certificate GIA 2225428793

Diamond specifications and retailer prices

From €62,027 EUR
$69,297 USD
As of October 31, 2026
Save €21,467 EUR (26%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €84,931 EUR 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 10 retailers as of October 31, 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €84,931 EUR|Low: €62,027 EUR|High: €85,031 EUR|Avg: €72,561 EUR|+0.7%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8€62,027 EUR
Retailer 4€63,897 EUR
Retailer 5€67,391 EUR
Retailer 6€69,695 EUR
Retailer 7€70,828 EUR
Retailer 3€76,611 EUR
Retailer 2€83,494 EUR
Cape Diamonds€84,931 EUR

41 data points across 8 retailers

10 retailers€62,027 EUR to €83,494 EUR

B+
Cheapest Retailer
-
€62,027 EUR
$69,297 USD
B+
Retailer 2
-
€63,897 EUR
₹6,798,707 INR
View
B+
Retailer 3
-
€64,281 EUR
$71,815 USD
View
B+
Retailer 4
-
€67,391 EUR
$75,290 USD
View
Retailer 5
-
€67,391 EUR
$75,290 USD
View
Price last confirmed 25 days ago
Retailer 6
-
€67,391 EUR
$75,290 USD
View
Price last confirmed 16 days ago
B+
Retailer 7
-
€69,695 EUR
$77,864 USD
View
Final sale: no returns
B
Retailer 8
-
€76,611 EUR
£67,394 GBP
View
B
Retailer 9
-
€83,494 EUR
View
Most Expensive
Cape Diamonds
cert_2225428793 · Oct 17
€84,931 EUR
ZAR 1,532,891 ZAR
View
Price last confirmed 14 days ago
9 more retailers have this diamond
Prices start from €62,027 EURSave up to €21,467 EUR

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
€62,027 EUR