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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 $2,726 USD
HK$21,300 HKD
As of October 30, 2026
Save $3,682 USD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,408 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 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 $2,726 to $6,408, a $3,682 spread on the same certified stone. NZ Jewellers lists it at $6,408. 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
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 30
Current: $6,408 USD|Low: $2,726 USD|High: $6,408 USD|Avg: $3,917 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
October 30, 2026
Retailer 6$2,726 USD
Retailer 17$2,969 USD
Retailer 7$3,150 USD
Retailer 3$3,265 USD
Retailer 4$3,339 USD
Retailer 13$3,678 USD
Retailer 15$3,678 USD
Retailer 8$3,690 USD
Retailer 14$3,819 USD
Retailer 9$3,820 USD
Retailer 11$3,820 USD
Retailer 5$3,824 USD
Retailer 16$4,244 USD
Retailer 2$4,307 USD
Retailer 10$4,773 USD
Retailer 12$6,184 USD
NZ Jewellers$6,408 USD

28 data points across 17 retailers

16 retailers$2,726 USD to $6,408 USD

A
Cheapest Retailer
-
$2,726 USD
HK$21,300 HKD
B+
Retailer 2
-
$2,969 USD
₹282,785 INR
View
B+
Retailer 3
-
$3,265 USD
View
B+
Retailer 4
-
$3,339 USD
View
B+
Retailer 5
-
$3,678 USD
View
B+
Retailer 6
-
$3,678 USD
View
B+
Retailer 7
-
$3,690 USD
View
B+
Retailer 8
-
$3,819 USD
View
B+
Retailer 9
-
$3,820 USD
SGD 5,162 SGD
View
B+
Retailer 10
-
$3,820 USD
£3,008 GBP
View
B+
Retailer 11
-
$3,824 USD
View
B+
Retailer 12
-
$4,244 USD
View
B+
Retailer 13
-
$4,307 USD
€4,102 EUR
View
B+
Retailer 14
-
$4,773 USD
£3,759 GBP
View
B
Retailer 15
-
$6,184 USD
£4,869 GBP
View
Most Expensive
B
NZ Jewellers
da012cf4-68a9-4999-8152-cf296314ae29 · Oct 30
$6,408 USD
View
15 more retailers have this diamond
Prices start from $2,726 USDSave up to $3,682 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
$2,726 USD