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Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 2434559881

Certificate GIA 2434559881

Diamond specifications and retailer prices

From $4,533 SGD
HK$27,700 HKD
As of November 1, 2026
Save $5,094 SGD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,626 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2434559881. Listed at 16 retailers as of October 30, 2026, with prices from $4,533 to $9,626, a $5,094 spread on the same certified stone. NZ Jewellers lists it at $9,626. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2434559881
Dimensions7.19 × 7.16 × 4.58 mm
L/W Ratio1.00
Top View
7.19 mm7.16 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2434559881
Side View
Table 58.0%CrownGirdle: ThickPavilionCulet: NoneDepth 63.8%

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: Nov 1
Current: $9,626 SGD|Low: $4,500 SGD|High: $9,626 SGD|Avg: $6,026 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
November 2, 2026
Retailer 14$4,533 SGD
Retailer 7$4,863 SGD
Retailer 4$5,100 SGD
Retailer 5$5,241 SGD
Retailer 15$5,525 SGD
Retailer 16$5,525 SGD
Retailer 17$5,525 SGD
Retailer 8$5,585 SGD
Retailer 10$5,618 SGD
Retailer 9$5,702 SGD
Retailer 6$5,716 SGD
Retailer 12$6,227 SGD
Retailer 3$6,375 SGD
Retailer 2$6,600 SGD
Retailer 13$6,792 SGD
Retailer 11$8,801 SGD
NZ Jewellers$9,626 SGD

32 data points across 17 retailers

16 retailers$4,533 SGD to $9,626 SGD

A
Cheapest Retailer
-
$4,533 SGD
HK$27,700 HKD
B+
Retailer 2
-
$4,863 SGD
$3,804 USD
View
B+
Retailer 3
-
$5,100 SGD
$3,989 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,241 SGD
$4,100 USD
View
B+
Retailer 5
-
$5,525 SGD
$4,322 USD
View
B+
Retailer 6
-
$5,525 SGD
$4,322 USD
View
B+
Retailer 7
-
$5,525 SGD
$4,322 USD
View
B+
Retailer 8
-
$5,618 SGD
£3,460 GBP
View
B+
Retailer 9
-
$5,702 SGD
$4,460 USD
View
B+
Retailer 10
-
$5,716 SGD
$4,471 USD
View
B+
Retailer 11
-
$6,227 SGD
€4,639 EUR
View
B
Retailer 12
-
$6,375 SGD
$4,987 USD
View
B
Retailer 13
-
$6,600 SGD
£4,065 GBP
View
B
Retailer 14
-
$6,792 SGD
ZAR 85,832 ZAR
View
B
Retailer 15
-
$8,801 SGD
£5,421 GBP
View
Most Expensive
B
NZ Jewellers
0fc4e9aa-7d9d-4d58-800a-c3cdbba0feb4 · Oct 30
$9,626 SGD
$7,530 USD
View
15 more retailers have this diamond
Prices start from $4,533 SGDSave up to $5,094 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
$4,533 SGD