CaratHunter
Plans
Round|Natural|GIA

3.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1242067718

Certificate GIA 1242067718

Diamond specifications and retailer prices

From $31,436 SGD
$24,590 USD
As of October 30, 2026
Save $38,842 SGD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $70,277 SGD 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 22 retailers as of October 30, 2026, with prices from $31,436 to $70,277, a $38,842 spread on the same certified stone. The Diamond Guys lists it at $70,277. 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
Colour
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: $38,844 SGD|Low: $31,436 SGD|High: $70,277 SGD|Avg: $43,505 SGD
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
Retailer 19
Retailer 20
Retailer 21
The Diamond Guys
October 31, 2026
Retailer 20$31,436 SGD
Retailer 12$31,455 SGD
Retailer 18$32,429 SGD
Retailer 15$32,765 SGD
Retailer 16$33,089 SGD
Retailer 2$33,371 SGD
Retailer 4$34,657 SGD
Retailer 3$35,568 SGD
Retailer 21$35,967 SGD
Retailer 19$37,425 SGD
Retailer 1$38,844 SGD
Retailer 17$41,894 SGD
Retailer 14$42,348 SGD
Retailer 5$46,717 SGD
Retailer 6$58,189 SGD
Retailer 8$59,554 SGD
Retailer 10$60,854 SGD
Retailer 9$60,931 SGD
Retailer 7$60,961 SGD
Retailer 11$63,470 SGD
Retailer 13$66,009 SGD
The Diamond Guys$70,277 SGD

15 data points across 22 retailers

22 retailers$31,436 SGD to $70,277 SGD

B+
Cheapest Retailer
-
$31,436 SGD
$24,590 USD
A
Retailer 2
-
$31,455 SGD
$24,605 USD
View
A
Retailer 3
-
$32,429 SGD
₹2,415,888 INR
View
B+
Retailer 4
-
$32,765 SGD
A$39,430 AUD
View
B+
Retailer 5
-
$33,089 SGD
$25,883 USD
View
Final sale: no returns
B+
Retailer 6
-
$33,371 SGD
$26,104 USD
View
B+
Retailer 7
-
$34,657 SGD
$27,110 USD
View
B+
Retailer 8
-
$35,568 SGD
$27,822 USD
View
B+
Retailer 9
-
$35,967 SGD
$28,134 USD
View
B+
Retailer 10
-
$37,425 SGD
$29,275 USD
View
B
Retailer 11
-
$38,844 SGD
$30,385 USD
View
B
Retailer 12
-
$41,894 SGD
€31,210 EUR
View
Retailer 13
-
$42,348 SGD
£26,083 GBP
View
Price last confirmed 12 days ago
B
Retailer 14
-
$46,717 SGD
£28,774 GBP
View
B
Retailer 15
-
$58,189 SGD
CA$63,218 CAD
View
B
Retailer 16
-
$59,554 SGD
$46,585 USD
View
B
Retailer 17
-
$60,854 SGD
$47,602 USD
View
B
Retailer 18
-
$60,931 SGD
$47,662 USD
View
B
Retailer 19
-
$60,961 SGD
£37,547 GBP
View
C
Retailer 20
-
$63,470 SGD
$49,648 USD
View
C
Retailer 21
-
$66,009 SGD
$51,634 USD
View
Most Expensive
C
The Diamond Guys
1997306237 · Oct 30
$70,277 SGD
$54,973 USD
View
21 more retailers have this diamond
Prices start from $31,436 SGDSave up to $38,842 SGD

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
$31,436 SGD