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Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2245037698

Certificate GIA 2245037698

Diamond specifications and retailer prices

From $4,916 AUD
$3,454 USD
As of October 21, 2026
8 retailers carry this diamond
Most expensive: $8,958 AUD at Wholesale Diamonds Direct · As of October 19, 2026
View at Wholesale Diamonds Direct

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 top-tier cut grade and certified by GIA 2245037698. Listed at 8 retailers as of October 19, 2026. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245037698
Dimensions7.29 × 7.33 × 4.54 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.29 mm7.33 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245037698
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 21
Current: $8,123 AUD|Low: $4,916 AUD|High: $9,539 AUD|Avg: $6,600 AUD|-7.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
October 22, 2026
Retailer 12$4,916 AUD
Retailer 9$4,956 AUD
Retailer 11$5,008 AUD
Retailer 2$5,255 AUD
Retailer 10$5,317 AUD
Retailer 5$5,366 AUD
Retailer 7$5,631 AUD
Retailer 13$6,247 AUD
Retailer 4$6,313 AUD
Retailer 6$6,317 AUD
Retailer 8$6,635 AUD
Retailer 1$8,123 AUD
Retailer 3$8,808 AUD
Wholesale Diamonds Direct$8,958 AUD

30 data points across 14 retailers

8 retailers$4,916 AUD to $8,958 AUD

Retailer 1
-
$4,916 AUD
$3,454 USD
Price last confirmed 11 days ago
Retailer 2
-
$5,255 AUD
$3,691 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$5,317 AUD
$3,735 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$5,366 AUD
SGD 5,094 SGD
View
Price last confirmed 11 days ago
Retailer 5
-
$5,631 AUD
£3,114 GBP
View
Price last confirmed 11 days ago
Retailer 6
-
$6,635 AUD
£3,670 GBP
View
Price last confirmed 10 days ago
Retailer 7
-
$8,808 AUD
$6,187 USD
View
Price last confirmed 11 days ago
Most Expensive
Wholesale Diamonds Direct
539238973 · Oct 19
$8,958 AUD
$6,293 USD
View
Price last confirmed 13 days ago
7 more retailers have this diamond

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.

1.51ct Round
$4,916 AUD