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Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 2537839680

Certificate GIA 2537839680

Diamond specifications and retailer prices

From $4,107 SGD
HK$25,100 HKD
As of October 31, 2026
Save $5,550 SGD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,657 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 very-good cut grade and certified by GIA 2537839680. Listed at 20 retailers as of October 30, 2026, with prices from $4,107 to $9,657, a $5,550 spread on the same certified stone. NZ Jewellers lists it at $9,657. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2537839680
Dimensions7.13 × 7.03 × 4.58 mm
L/W Ratio1.01
Top View
7.13 mm7.03 mm1.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2537839680
Side View
Table 56.0%Crown 38°Girdle: ThickPavilion 40°Culet: NoneDepth 64.7%

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 31
Current: $9,657 SGD|Low: $4,058 SGD|High: $9,657 SGD|Avg: $6,070 SGD
NZ Jewellers
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
October 31, 2026
Retailer 9$4,107 SGD
Retailer 13$4,536 SGD
Retailer 15$4,807 SGD
Retailer 3$5,116 SGD
Retailer 16$5,117 SGD
Retailer 10$5,282 SGD
Retailer 5$5,543 SGD
Retailer 6$5,543 SGD
Retailer 8$5,555 SGD
Retailer 4$5,913 SGD
Retailer 11$6,273 SGD
Retailer 14$6,283 SGD
Retailer 7$6,396 SGD
Retailer 2$6,814 SGD
Retailer 12$8,876 SGD
NZ Jewellers$9,657 SGD

42 data points across 16 retailers

20 retailers$4,107 SGD to $9,657 SGD

A
Cheapest Retailer
-
$4,107 SGD
HK$25,100 HKD
B+
Retailer 2
-
$4,536 SGD
$3,548 USD
View
B+
Retailer 3
-
$4,807 SGD
$3,760 USD
View
B+
Retailer 4
-
$4,877 SGD
$3,815 USD
View
B+
Retailer 5
-
$5,116 SGD
$4,002 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,117 SGD
View
B+
Retailer 7
-
$5,168 SGD
View
B+
Retailer 8
-
$5,282 SGD
£3,253 GBP
View
B+
Retailer 9
-
$5,543 SGD
$4,336 USD
View
B+
Retailer 10
-
$5,543 SGD
$4,336 USD
View
B+
Retailer 11
-
$5,555 SGD
$4,346 USD
View
B+
Retailer 12
-
$5,561 SGD
$4,350 USD
View
Retailer 13
-
$5,913 SGD
A$7,115 AUD
View
Price last confirmed 22 days ago
B
Retailer 14
-
$6,273 SGD
€4,673 EUR
View
B
Retailer 15
-
$6,283 SGD
£3,870 GBP
View
B
Retailer 16
-
$6,396 SGD
$5,003 USD
View
B
Retailer 17
-
$6,814 SGD
ZAR 86,105 ZAR
View
B
Retailer 18
-
$7,879 SGD
$6,163 USD
View
B
Retailer 19
-
$8,876 SGD
£5,467 GBP
View
Most Expensive
C
NZ Jewellers
92a0c04c-1f2f-4945-a9e1-6f9b170ec050 · Oct 30
$9,657 SGD
$7,554 USD
View
19 more retailers have this diamond
Prices start from $4,107 SGDSave up to $5,550 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
1.50ct Round
$4,107 SGD