Round|Natural|GIA

3.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1242067718

Certificate GIA 1242067718

Diamond specifications and retailer prices

From $24,590 USD
As of October 30, 2026
Save $30,383 USD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $54,973 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1242067718. Listed at 20 retailers as of October 30, 2026, with prices from $24,590 to $54,973, a $30,383 spread on the same certified stone. The Diamond Guys lists it at $54,973. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1242067718
Dimensions9.80 × 9.85 × 5.88 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Cavity, Cloud
Top View
9.80 mm9.85 mm3.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1242067718
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.9%

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: Oct 30
Current: $25,367 USD|Low: $24,590 USD|High: $54,973 USD|Avg: $34,110 USD|-42.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
The Diamond Guys
October 30, 2026
Retailer 12$24,590 USD
Retailer 1$25,367 USD
Retailer 14$26,104 USD
Retailer 16$27,110 USD
Retailer 15$27,822 USD
Retailer 13$28,134 USD
Retailer 11$29,275 USD
Retailer 10$33,125 USD
Retailer 17$36,543 USD
Retailer 5$43,530 USD
Retailer 3$43,690 USD
Retailer 18$45,517 USD
Retailer 4$46,585 USD
Retailer 7$47,602 USD
Retailer 6$47,662 USD
Retailer 2$47,685 USD
Retailer 8$49,648 USD
Retailer 9$51,634 USD
The Diamond Guys$54,973 USD

14 data points across 19 retailers

20 retailers$24,590 USD to $54,973 USD

B+
Cheapest Retailer
-
$24,590 USD
A
Retailer 2
-
$25,367 USD
₹2,415,888 INR
View
B+
Retailer 3
-
$26,104 USD
View
B+
Retailer 4
-
$27,110 USD
View
B+
Retailer 5
-
$27,822 USD
View
B+
Retailer 6
-
$28,134 USD
View
B+
Retailer 7
-
$29,275 USD
View
Retailer 8
-
$33,125 USD
£26,083 GBP
View
Price last confirmed 11 days ago
B
Retailer 9
-
$36,543 USD
£28,774 GBP
View
B
Retailer 10
-
$43,530 USD
View
B
Retailer 11
-
$43,690 USD
View
Final sale: no returns
B
Retailer 12
-
$45,365 USD
A$69,793 AUD
View
B
Retailer 13
-
$45,517 USD
CA$63,218 CAD
View
B
Retailer 14
-
$46,585 USD
View
B
Retailer 15
-
$47,602 USD
View
B
Retailer 16
-
$47,662 USD
View
B
Retailer 17
-
$47,685 USD
£37,547 GBP
View
C
Retailer 18
-
$49,648 USD
View
C
Retailer 19
-
$51,634 USD
View
Most Expensive
C
The Diamond Guys
1997306237 · Oct 30
$54,973 USD
View
19 more retailers have this diamond
Prices start from $24,590 USDSave up to $30,383 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
3.50ct Round
$24,590 USD