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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 2487987638

Certificate GIA 2487987638

Diamond specifications and retailer prices

From $3,518 SGD
HK$21,500 HKD
As of October 31, 2026
Save $4,674 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,192 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2487987638. Listed at 16 retailers as of October 30, 2026, with prices from $3,518 to $8,192, a $4,674 spread on the same certified stone. NZ Jewellers lists it at $8,192. 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

1.51
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2487987638
Dimensions7.26 × 7.20 × 4.64 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.26 mm7.20 mm1.51 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2487987638
Side View
Table 56.0%Crown 36°Girdle: Sli. ThickPavilion 41.4°Culet: NoneDepth 64.2%

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: $8,192 SGD|Low: $3,485 SGD|High: $8,192 SGD|Avg: $5,021 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
Retailer 17
October 31, 2026
Retailer 2$3,518 SGD
Retailer 3$3,796 SGD
Retailer 7$4,027 SGD
Retailer 4$4,174 SGD
Retailer 5$4,269 SGD
Retailer 14$4,702 SGD
Retailer 16$4,702 SGD
Retailer 8$4,717 SGD
Retailer 10$4,844 SGD
Retailer 15$4,882 SGD
Retailer 9$4,883 SGD
Retailer 6$4,888 SGD
Retailer 17$5,426 SGD
Retailer 11$5,506 SGD
Retailer 12$6,102 SGD
Retailer 13$7,905 SGD
NZ Jewellers$8,192 SGD

28 data points across 17 retailers

16 retailers$3,518 SGD to $8,192 SGD

A
Cheapest Retailer
-
$3,518 SGD
HK$21,500 HKD
B+
Retailer 2
-
$3,796 SGD
₹282,785 INR
View
B+
Retailer 3
-
$4,174 SGD
$3,265 USD
View
B+
Retailer 4
-
$4,269 SGD
$3,339 USD
View
B+
Retailer 5
-
$4,702 SGD
$3,678 USD
View
B+
Retailer 6
-
$4,702 SGD
$3,678 USD
View
B+
Retailer 7
-
$4,717 SGD
$3,690 USD
View
B+
Retailer 8
-
$4,844 SGD
£2,983 GBP
View
B+
Retailer 9
-
$4,882 SGD
$3,819 USD
View
B+
Retailer 10
-
$4,883 SGD
View
B+
Retailer 11
-
$4,888 SGD
$3,824 USD
View
B+
Retailer 12
-
$5,426 SGD
$4,244 USD
View
B+
Retailer 13
-
$5,506 SGD
€4,102 EUR
View
B+
Retailer 14
-
$6,102 SGD
£3,759 GBP
View
B
Retailer 15
-
$7,905 SGD
£4,869 GBP
View
Most Expensive
B
NZ Jewellers
da012cf4-68a9-4999-8152-cf296314ae29 · Oct 30
$8,192 SGD
$6,408 USD
View
15 more retailers have this diamond
Prices start from $3,518 SGDSave up to $4,674 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
1.51ct Round
$3,518 SGD