Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2213939170

Certificate GIA 2213939170

Diamond specifications and retailer prices

From $5,124 USD
As of October 30, 2026
Save $5,722 USD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,846 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 2213939170. Listed at 15 retailers as of October 30, 2026, with prices from $5,124 to $10,846, a $5,722 spread on the same certified stone. NZ Jewellers lists it at $10,846. 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
FluorescenceFaint
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2213939170
Dimensions7.31 × 7.26 × 4.57 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Cert comments
Clouds pinpoints internal graining and surface graining are not shown
Key to symbols
Needle, Feather, Cavity, Indented Natural, Crystal
Top View
7.31 mm7.26 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2213939170
Side View
Table 56.0%Crown 35°Girdle: ThickPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,179 USD|Low: $4,519 USD|High: $9,669 USD|Avg: $6,913 USD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6$4,965 USD
Retailer 3$5,124 USD
Retailer 2$5,251 USD
Retailer 8$5,423 USD
Retailer 1$6,179 USD
Retailer 9$6,779 USD
Retailer 5$7,035 USD
Retailer 4$8,416 USD
Retailer 7$9,605 USD

36 data points across 9 retailers

15 retailers$5,124 USD to $10,846 USD

Retailer 1
-
$4,965 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$5,124 USD
View
B
Retailer 3
-
$5,251 USD
View
Retailer 4
-
$5,468 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$5,875 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$5,875 USD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$6,179 USD
£4,865 GBP
View
B
Retailer 8
-
$6,550 USD
View
B
Retailer 9
-
$6,550 USD
View
B
Retailer 10
-
$6,770 USD
View
B
Retailer 11
-
$6,779 USD
View
Retailer 12
-
$7,150 USD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$8,416 USD
£6,627 GBP
View
Retailer 14
-
$9,605 USD
£7,563 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
NZ Jewellers
665cc556-b33e-48cd-aa12-172101f432c0 · Oct 30
$10,846 USD
View
14 more retailers have this diamond
Prices start from $5,124 USDSave up to $5,722 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.

B+
1.51ct Round
$5,124 USD