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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 $4,917 CAD
HK$27,500 HKD
As of October 30, 2026
Save $5,602 CAD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,519 CAD 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 $4,917 to $10,519, a $5,602 spread on the same certified stone. NZ Jewellers lists it at $10,519. 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
Color
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: Oct 30
Current: $10,519 CAD|Low: $4,917 CAD|High: $10,519 CAD|Avg: $6,485 CAD
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
Retailer 18
October 31, 2026
Retailer 7$4,917 CAD
Retailer 6$5,314 CAD
Retailer 10$5,353 CAD
Retailer 3$5,572 CAD
Retailer 4$5,727 CAD
Retailer 15$6,037 CAD
Retailer 16$6,037 CAD
Retailer 17$6,037 CAD
Retailer 8$6,103 CAD
Retailer 2$6,138 CAD
Retailer 9$6,230 CAD
Retailer 5$6,245 CAD
Retailer 12$6,853 CAD
Retailer 18$6,966 CAD
Retailer 11$7,234 CAD
Retailer 14$7,352 CAD
Retailer 13$9,669 CAD
NZ Jewellers$10,519 CAD

31 data points across 18 retailers

16 retailers$4,917 CAD to $10,519 CAD

A
Cheapest Retailer
-
$4,917 CAD
HK$27,500 HKD
B+
Retailer 2
-
$5,314 CAD
$3,804 USD
View
B+
Retailer 3
-
$5,572 CAD
$3,989 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,727 CAD
$4,100 USD
View
B+
Retailer 5
-
$6,037 CAD
$4,322 USD
View
B+
Retailer 6
-
$6,037 CAD
$4,322 USD
View
B+
Retailer 7
-
$6,037 CAD
$4,322 USD
View
B+
Retailer 8
-
$6,138 CAD
£3,460 GBP
View
B+
Retailer 9
-
$6,230 CAD
$4,460 USD
View
B+
Retailer 10
-
$6,245 CAD
$4,471 USD
View
B+
Retailer 11
-
$6,853 CAD
€4,672 EUR
View
B
Retailer 12
-
$6,966 CAD
$4,987 USD
View
B
Retailer 13
-
$7,234 CAD
£4,077 GBP
View
B
Retailer 14
-
$7,352 CAD
ZAR 85,029 ZAR
View
B
Retailer 15
-
$9,669 CAD
£5,450 GBP
View
Most Expensive
B
NZ Jewellers
0fc4e9aa-7d9d-4d58-800a-c3cdbba0feb4 · Oct 30
$10,519 CAD
$7,530 USD
View
15 more retailers have this diamond
Prices start from $4,917 CADSave up to $5,602 CAD

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
$4,917 CAD