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Round|Natural|GIA

3.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1445704291

Certificate GIA 1445704291

Diamond specifications and retailer prices

From $39,266 SGD
$30,703 USD
As of November 2, 2026
Save $13,680 SGD (26%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $52,946 SGD at Yorxs · As of November 1, 2026
View at Yorxs

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 1445704291. Listed at 10 retailers as of November 1, 2026, with prices from $39,266 to $52,946, a $13,680 spread on the same certified stone. Yorxs lists it at $52,946. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1445704291
Dimensions9.60 × 9.67 × 6.07 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural, Natural
Top View
9.60 mm9.67 mm3.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1445704291
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 63.0%

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 2
Current: $48,982 SGD|Low: $38,857 SGD|High: $53,320 SGD|Avg: $47,032 SGD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
November 2, 2026
Retailer 6$39,266 SGD
Retailer 8$43,949 SGD
Retailer 5$44,196 SGD
Retailer 10$45,278 SGD
Retailer 9$47,165 SGD
Retailer 4$47,230 SGD
Retailer 12$47,230 SGD
Retailer 11$48,416 SGD
Retailer 3$48,803 SGD
Retailer 1$48,982 SGD
Retailer 7$49,051 SGD
Retailer 2$50,937 SGD
Yorxs$52,946 SGD

39 data points across 13 retailers

10 retailers$39,266 SGD to $52,946 SGD

B+
Cheapest Retailer
-
$39,266 SGD
$30,703 USD
B+
Retailer 2
-
$41,306 SGD
$32,298 USD
View
B
Retailer 3
-
$42,077 SGD
$32,901 USD
View
B
Retailer 4
-
$42,709 SGD
CA$46,382 CAD
View
B
Retailer 5
-
$44,196 SGD
$34,558 USD
View
Final sale: no returns
B
Retailer 6
-
$44,926 SGD
$35,129 USD
View
B
Retailer 7
-
$48,982 SGD
£30,157 GBP
View
B
Retailer 8
-
$50,770 SGD
$39,698 USD
View
B
Retailer 9
-
$51,136 SGD
$39,984 USD
View
Most Expensive
B
Yorxs
59007 · Nov 1
$52,946 SGD
€39,428 EUR
View
9 more retailers have this diamond
Prices start from $39,266 SGDSave up to $13,680 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.

B+
3.50ct Round
$39,266 SGD