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Round|Natural|GIA

1.61ct J I1 Round Natural Diamond

EX • J/I1 • GIA 1553138030

Certificate GIA 1553138030

Diamond specifications and retailer prices

From $4,712 AUD
$3,310 USD
As of October 28, 2026
Save $657 AUD (12%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,381 AUD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1.61ct natural round diamond

This 1.61ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1553138030. Listed at 7 retailers as of October 28, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1553138030
Dimensions7.42 × 7.47 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.42 mm7.47 mm1.61 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553138030
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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 28
Current: $10,381 AUD|Low: $4,428 AUD|High: $11,538 AUD|Avg: $6,467 AUD|-10.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 24, 2026
Retailer 5$4,428 AUD
Retailer 4$4,712 AUD
Retailer 3$4,844 AUD
Retailer 8$4,951 AUD
Retailer 10$4,951 AUD
Retailer 6$4,983 AUD
Retailer 9$5,369 AUD
Retailer 2$6,706 AUD
Retailer 11$7,744 AUD
Retailer 7$9,027 AUD
NZ Jewellers$10,381 AUD

25 data points across 11 retailers

7 retailers$4,712 AUD to $5,369 AUD

Retailer 1
-
$4,428 AUD
HK$24,300 HKD
Price last confirmed 10 days ago
A
Retailer 2
-
$4,712 AUD
$3,310 USD
View
B+
Retailer 3
-
$4,951 AUD
$3,478 USD
View
B+
Retailer 4
-
$5,369 AUD
$3,772 USD
View
Retailer 5
-
$6,706 AUD
€4,486 EUR
View
Price last confirmed 8 days ago
Retailer 6
-
$9,027 AUD
$6,341 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
64eece88-aea4-485c-86e8-4f4325f3e458 · Oct 23
$10,381 AUD
$7,292 USD
View
Price last confirmed 9 days ago
6 more retailers have this diamond
Prices start from $4,712 AUDSave up to $657 AUD

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
1.61ct Round
$4,712 AUD