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1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1367318871

Certificate GIA 1367318871

Diamond specifications and retailer prices

From $6,769 SGD
$5,295 USD
As of October 30, 2026
Save $7,562 SGD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $14,331 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 1367318871. Listed at 20 retailers as of October 30, 2026, with prices from $6,769 to $14,331, a $7,562 spread on the same certified stone. NZ Jewellers lists it at $14,331. 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

1.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1367318871
Dimensions7.30 × 7.26 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.30 mm7.26 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1367318871
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: Oct 30
Current: $10,528 SGD|Low: $6,769 SGD|High: $12,776 SGD|Avg: $8,781 SGD|+1.9%
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
October 31, 2026
Retailer 4$6,769 SGD
Retailer 12$6,782 SGD
Retailer 14$7,236 SGD
Retailer 9$7,574 SGD
Retailer 2$7,762 SGD
Retailer 3$7,762 SGD
Retailer 13$7,762 SGD
Retailer 5$8,216 SGD
Retailer 6$8,258 SGD
Retailer 15$8,363 SGD
Retailer 7$8,956 SGD
Retailer 10$9,388 SGD
Retailer 8$10,265 SGD
Retailer 1$10,528 SGD
Retailer 11$12,691 SGD

34 data points across 15 retailers

20 retailers$6,769 SGD to $14,331 SGD

B+
Cheapest Retailer
-
$6,769 SGD
$5,295 USD
B+
Retailer 2
-
$6,782 SGD
$5,305 USD
View
B
Retailer 3
-
$6,995 SGD
$5,472 USD
View
B
Retailer 4
-
$7,236 SGD
$5,660 USD
View
B+
Retailer 5
-
$7,574 SGD
£4,665 GBP
View
B
Retailer 6
-
$7,762 SGD
$6,072 USD
View
B
Retailer 7
-
$7,762 SGD
$6,072 USD
View
B+
Retailer 8
-
$7,762 SGD
$6,072 USD
View
B
Retailer 9
-
$8,216 SGD
$6,427 USD
View
B
Retailer 10
-
$8,258 SGD
$6,460 USD
View
B
Retailer 11
-
$8,258 SGD
$6,460 USD
View
Retailer 12
-
$8,363 SGD
A$10,064 AUD
View
Price last confirmed 19 days ago
B
Retailer 13
-
$8,527 SGD
$6,670 USD
View
B
Retailer 14
-
$8,956 SGD
$7,006 USD
View
B
Retailer 15
-
$9,388 SGD
€6,994 EUR
View
Retailer 16
-
$9,446 SGD
$7,389 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$10,265 SGD
£6,323 GBP
View
B
Retailer 18
-
$10,528 SGD
ZAR 133,038 ZAR
View
B
Retailer 19
-
$12,691 SGD
£7,817 GBP
View
Most Expensive
B
NZ Jewellers
9327b21a-3ec2-40d7-966f-d43c17bac7f0 · Oct 30
$14,331 SGD
$11,210 USD
View
19 more retailers have this diamond
Prices start from $6,769 SGDSave up to $7,562 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+
1.50ct Round
$6,769 SGD