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Round|Natural|GIA

1.51ct H I1 Round Natural Diamond

EX • H/I1 • GIA 2537660316

Certificate GIA 2537660316

Diamond specifications and retailer prices

From $4,973 AUD
$3,485 USD
As of November 1, 2026
Save $5,027 AUD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,000 AUD at NZ Jewellers · As of October 27, 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 H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2537660316. Listed at 9 retailers as of October 27, 2026, with prices from $4,973 to $10,000, a $5,027 spread on the same certified stone. NZ Jewellers lists it at $10,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2537660316
Dimensions7.29 × 7.33 × 4.58 mm
L/W Ratio1.01
Top View
7.29 mm7.33 mm1.51 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2537660316
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°CuletDepth 62.7%

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: $10,000 AUD|Low: $4,973 AUD|High: $10,000 AUD|Avg: $6,241 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$4,973 AUD
Retailer 11$5,050 AUD
Retailer 4$5,260 AUD
Retailer 9$5,565 AUD
Retailer 6$5,739 AUD
Retailer 7$5,739 AUD
Retailer 3$6,144 AUD
Retailer 2$6,472 AUD
Retailer 8$6,622 AUD
Retailer 10$6,830 AUD
NZ Jewellers$10,000 AUD

24 data points across 11 retailers

9 retailers$4,973 AUD to $10,000 AUD

A
Cheapest Retailer
-
$4,973 AUD
$3,485 USD
B+
Retailer 2
-
$5,050 AUD
$3,539 USD
View
B+
Retailer 3
-
$5,260 AUD
$3,686 USD
View
B+
Retailer 4
-
$5,565 AUD
$3,900 USD
View
Retailer 5
-
$5,739 AUD
$4,022 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$5,739 AUD
$4,022 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$6,472 AUD
€4,320 EUR
View
B+
Retailer 8
-
$6,622 AUD
$4,641 USD
View
Most Expensive
B
NZ Jewellers
792c9c3b-183e-4d9d-9ad3-35cb36fcb84b · Oct 27
$10,000 AUD
$7,008 USD
View
8 more retailers have this diamond
Prices start from $4,973 AUDSave up to $5,027 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
$4,973 AUD