Round|Natural|GIA

1.51ct G I1 Round Natural Diamond

EX • G/I1 • GIA 7526775915

Certificate GIA 7526775915

Diamond specifications and retailer prices

From $5,636 AUD
$3,950 USD
As of November 1, 2026
Save $6,792 AUD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,428 AUD 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 7526775915. Listed at 10 retailers as of October 30, 2026, with prices from $5,636 to $12,428, a $6,792 spread on the same certified stone. NZ Jewellers lists it at $12,428. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7526775915
Dimensions7.30 × 7.32 × 4.59 mm
L/W Ratio1.00
Cert comments
Additional twinning wisps, additional clouds, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle
Top View
7.30 mm7.32 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7526775915
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: Nov 1
Current: $12,428 AUD|Low: $5,636 AUD|High: $12,428 AUD|Avg: $7,621 AUD|+1.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11$5,636 AUD
Retailer 3$6,106 AUD
Retailer 8$6,462 AUD
Retailer 9$6,462 AUD
Retailer 12$6,462 AUD
Retailer 5$7,192 AUD
Retailer 6$7,192 AUD
Retailer 7$7,434 AUD
Retailer 10$7,457 AUD
Retailer 2$8,038 AUD
Retailer 4$9,000 AUD
NZ Jewellers$12,428 AUD

26 data points across 12 retailers

10 retailers$5,636 AUD to $12,428 AUD

A
Cheapest Retailer
-
$5,636 AUD
$3,950 USD
B+
Retailer 2
-
$6,462 AUD
$4,529 USD
View
B+
Retailer 3
-
$6,462 AUD
$4,529 USD
View
B+
Retailer 4
-
$6,462 AUD
$4,529 USD
View
B+
Retailer 5
-
$7,192 AUD
$5,040 USD
View
B+
Retailer 6
-
$7,192 AUD
$5,040 USD
View
B+
Retailer 7
-
$7,434 AUD
$5,210 USD
View
B+
Retailer 8
-
$7,457 AUD
$5,226 USD
View
B+
Retailer 9
-
$8,038 AUD
€5,365 EUR
View
Most Expensive
B
NZ Jewellers
67218135-ef9e-4ac6-8270-e774b6bae350 · Oct 30
$12,428 AUD
$8,710 USD
View
9 more retailers have this diamond
Prices start from $5,636 AUDSave up to $6,792 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
1.51ct Round
$5,636 AUD