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Round|Natural|GIA

1.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2547875031

Certificate GIA 2547875031

Diamond specifications and retailer prices

From $6,236 SGD
As of November 4, 2026
Save $4,689 SGD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,926 SGD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547875031. Listed at 12 retailers as of November 4, 2026, with prices from $6,236 to $10,926, a $4,689 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,926. 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

1.55
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2547875031
Dimensions7.32 × 7.36 × 4.60 mm
L/W Ratio1.01
Top View
7.32 mm7.36 mm1.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547875031
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°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 4
Current: $9,539 SGD|Low: $6,236 SGD|High: $11,035 SGD|Avg: $8,002 SGD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 5, 2026
Retailer 2$6,236 SGD
Retailer 6$6,241 SGD
Retailer 7$7,377 SGD
Retailer 4$7,415 SGD
Retailer 10$7,497 SGD
Retailer 3$7,620 SGD
Retailer 8$7,907 SGD
Retailer 9$7,907 SGD
Retailer 5$7,987 SGD
Retailer 11$8,177 SGD
Retailer 1$9,539 SGD
Wholesale Diamonds Direct$10,926 SGD

42 data points across 12 retailers

12 retailers$6,236 SGD to $10,926 SGD

B+
Cheapest Retailer
-
$6,236 SGD
B+
Retailer 2
-
$6,241 SGD
View
B+
Retailer 3
-
$7,377 SGD
View
B+
Retailer 4
-
$7,415 SGD
View
B+
Retailer 5
-
$7,497 SGD
View
B
Retailer 6
-
$7,620 SGD
View
B
Retailer 7
-
$7,907 SGD
View
B
Retailer 8
-
$7,907 SGD
View
B+
Retailer 9
-
$7,987 SGD
View
B
Retailer 10
-
$8,177 SGD
View
B
Retailer 11
-
$9,539 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
235736463 · Nov 6
$10,926 SGD
$8,525 USD
View
11 more retailers have this diamond
Prices start from $6,236 SGDSave up to $4,689 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+
1.55ct Round
$6,236 SGD