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3.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1555165785

Certificate GIA 1555165785

Diamond specifications and retailer prices

From €25,570 EUR
SGD 38,756 SGD
As of November 1, 2026
Save €15,641 EUR (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €41,212 EUR at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555165785. Listed at 13 retailers as of November 1, 2026, with prices from €25,570 to €41,212, a €15,641 spread on the same certified stone. Helzberg Diamonds lists it at €41,212. 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

3.50
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1555165785
Dimensions9.59 × 9.66 × 6.03 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.59 mm9.66 mm3.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555165785
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.7%

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: Nov 1
Current: €41,212 EUR|Low: €25,570 EUR|High: €42,053 EUR|Avg: €31,830 EUR|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 7€25,570 EUR
Retailer 2€26,673 EUR
Retailer 12€27,242 EUR
Retailer 3€27,910 EUR
Retailer 10€28,696 EUR
Retailer 8€28,838 EUR
Retailer 11€31,022 EUR
Retailer 6€32,665 EUR
Retailer 4€32,797 EUR
Retailer 9€33,736 EUR
Retailer 5€39,267 EUR
Helzberg Diamonds€41,212 EUR

35 data points across 12 retailers

13 retailers€25,570 EUR to €41,212 EUR

B+
Cheapest Retailer
-
€25,570 EUR
SGD 38,756 SGD
B+
Retailer 2
-
€26,673 EUR
£23,556 GBP
View
B+
Retailer 3
-
€27,242 EUR
$30,555 USD
View
B+
Retailer 4
-
€27,910 EUR
$31,305 USD
View
B+
Retailer 5
-
€28,696 EUR
$32,186 USD
View
B+
Retailer 6
-
€28,838 EUR
SGD 43,709 SGD
View
B+
Retailer 7
-
€31,022 EUR
$34,794 USD
View
B+
Retailer 8
-
€32,665 EUR
View
B+
Retailer 9
-
€32,797 EUR
$36,786 USD
View
Retailer 10
-
€33,736 EUR
$37,838 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
€35,250 EUR
$39,537 USD
View
B
Retailer 12
-
€39,267 EUR
$44,042 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLLLHMLNOL · Nov 1
€41,212 EUR
$46,223 USD
View
12 more retailers have this diamond
Prices start from €25,570 EURSave up to €15,641 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+
3.50ct Round
€25,570 EUR