Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 2434559881

Certificate GIA 2434559881

Diamond specifications and retailer prices

From $3,546 USD
HK$27,700 HKD
As of October 31, 2026
Save $3,984 USD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,530 USD 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 $3,546 to $7,530, a $3,984 spread on the same certified stone. NZ Jewellers lists it at $7,530. 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 31
Current: $7,530 USD|Low: $3,520 USD|High: $7,530 USD|Avg: $4,643 USD
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 2$3,546 USD
Retailer 7$3,804 USD
Retailer 10$3,832 USD
Retailer 4$3,989 USD
Retailer 5$4,100 USD
Retailer 16$4,322 USD
Retailer 17$4,322 USD
Retailer 18$4,322 USD
Retailer 8$4,369 USD
Retailer 11$4,394 USD
Retailer 9$4,460 USD
Retailer 6$4,471 USD
Retailer 13$4,906 USD
Retailer 3$4,987 USD
Retailer 12$5,178 USD
Retailer 15$5,263 USD
Retailer 14$6,922 USD
NZ Jewellers$7,530 USD

31 data points across 18 retailers

16 retailers$3,546 USD to $7,530 USD

A
Cheapest Retailer
-
$3,546 USD
HK$27,700 HKD
B+
Retailer 2
-
$3,804 USD
View
B+
Retailer 3
-
$3,989 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,100 USD
View
B+
Retailer 5
-
$4,322 USD
View
B+
Retailer 6
-
$4,322 USD
View
B+
Retailer 7
-
$4,322 USD
View
B+
Retailer 8
-
$4,394 USD
£3,460 GBP
View
B+
Retailer 9
-
$4,460 USD
View
B+
Retailer 10
-
$4,471 USD
View
B+
Retailer 11
-
$4,906 USD
€4,672 EUR
View
B
Retailer 12
-
$4,987 USD
View
B
Retailer 13
-
$5,178 USD
£4,077 GBP
View
B
Retailer 14
-
$5,263 USD
ZAR 85,029 ZAR
View
B
Retailer 15
-
$6,922 USD
£5,450 GBP
View
Most Expensive
B
NZ Jewellers
0fc4e9aa-7d9d-4d58-800a-c3cdbba0feb4 · Oct 30
$7,530 USD
View
15 more retailers have this diamond
Prices start from $3,546 USDSave up to $3,984 USD

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
$3,546 USD