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Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7541674614

Certificate GIA 7541674614

Diamond specifications and retailer prices

From $9,372 AUD
$6,568 USD
As of November 2, 2026
Save $11,749 AUD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,121 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7541674614. Listed at 16 retailers as of October 30, 2026, with prices from $9,372 to $21,121, a $11,749 spread on the same certified stone. NZ Jewellers lists it at $21,121. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7541674614
Dimensions7.35 × 7.38 × 4.50 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.35 mm7.38 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541674614
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.1%

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 2
Current: $21,121 AUD|Low: $9,251 AUD|High: $21,121 AUD|Avg: $13,545 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 7$9,372 AUD
Retailer 9$10,560 AUD
Retailer 10$11,441 AUD
Retailer 6$11,616 AUD
Retailer 2$11,691 AUD
Retailer 4$13,036 AUD
Retailer 8$13,200 AUD
Retailer 11$13,905 AUD
Retailer 3$15,054 AUD
Retailer 5$17,600 AUD
NZ Jewellers$21,121 AUD

40 data points across 11 retailers

16 retailers$9,372 AUD to $21,121 AUD

A
Cheapest Retailer
-
$9,372 AUD
$6,568 USD
A
Retailer 2
-
$9,556 AUD
$6,697 USD
View
B+
Retailer 3
-
$10,438 AUD
CA$10,160 CAD
View
B+
Retailer 4
-
$10,560 AUD
$7,401 USD
View
B+
Retailer 5
-
$11,441 AUD
$8,018 USD
View
B+
Retailer 6
-
$11,616 AUD
$8,141 USD
View
B+
Retailer 7
-
$11,691 AUD
£6,451 GBP
View
B+
Retailer 8
-
$12,110 AUD
$8,487 USD
View
B
Retailer 9
-
$12,585 AUD
$8,820 USD
View
B
Retailer 10
-
$12,585 AUD
$8,820 USD
View
B
Retailer 11
-
$12,999 AUD
$9,110 USD
View
B
Retailer 12
-
$13,036 AUD
€8,701 EUR
View
B+
Retailer 13
-
$13,200 AUD
$9,251 USD
View
Retailer 14
-
$13,905 AUD
$9,745 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$17,600 AUD
£9,712 GBP
View
Most Expensive
B
NZ Jewellers
6723e484-884d-484b-8239-76afcbf8aeea · Oct 30
$21,121 AUD
$14,802 USD
View
15 more retailers have this diamond
Prices start from $9,372 AUDSave up to $11,749 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
$9,372 AUD