Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 7513033079

Certificate GIA 7513033079

Diamond specifications and retailer prices

From $2,534 USD
HK$19,800 HKD
As of October 30, 2026
Save $3,197 USD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,731 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 top-tier cut grade and certified by GIA 7513033079. Listed at 14 retailers as of October 30, 2026, with prices from $2,534 to $5,731, a $3,197 spread on the same certified stone. NZ Jewellers lists it at $5,731. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7513033079
Dimensions7.38 × 7.35 × 4.55 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Cert comments
Clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Needle
Top View
7.38 mm7.35 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7513033079
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,731 USD|Low: $2,534 USD|High: $5,779 USD|Avg: $3,733 USD|-0.8%
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
October 31, 2026
Retailer 13$2,534 USD
Retailer 6$2,617 USD
Retailer 3$3,037 USD
Retailer 5$3,187 USD
Retailer 11$3,290 USD
Retailer 9$3,416 USD
Retailer 12$3,522 USD
Retailer 4$3,555 USD
Retailer 7$3,786 USD
Retailer 2$3,796 USD
Retailer 8$4,270 USD
Retailer 10$5,531 USD
NZ Jewellers$5,731 USD

26 data points across 13 retailers

14 retailers$2,534 USD to $5,731 USD

A
Cheapest Retailer
-
$2,534 USD
HK$19,800 HKD
A
Retailer 2
-
$2,617 USD
₹249,243 INR
View
B+
Retailer 3
-
$3,037 USD
View
Final sale: no returns
A
Retailer 4
-
$3,187 USD
View
A
Retailer 5
-
$3,290 USD
View
Retailer 6
-
$3,336 USD
View
Price last confirmed 103 days ago
A
Retailer 7
-
$3,416 USD
View
A
Retailer 8
-
$3,522 USD
View
A
Retailer 9
-
$3,555 USD
SGD 4,804 SGD
View
A
Retailer 10
-
$3,786 USD
€3,606 EUR
View
A
Retailer 11
-
$3,796 USD
View
B+
Retailer 12
-
$4,270 USD
£3,362 GBP
View
B+
Retailer 13
-
$5,531 USD
£4,355 GBP
View
Most Expensive
B
NZ Jewellers
49506521-27cc-430f-8745-cf51fd62e9ed · Oct 30
$5,731 USD
View
13 more retailers have this diamond
Prices start from $2,534 USDSave up to $3,197 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
$2,534 USD