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Radiant|Natural|GIA

1.51ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2564016972

Certificate GIA 2564016972

Diamond specifications and retailer prices

From $8,456 AUD
HK$46,300 HKD
As of November 1, 2026
Save $10,581 AUD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,038 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564016972. Listed at 22 retailers as of October 30, 2026, with prices from $8,456 to $19,038, a $10,581 spread on the same certified stone. NZ Jewellers lists it at $19,038. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564016972
Dimensions7.77 × 5.73 × 3.73 mm
L/W Ratio1.36
Culet sizeNone
Key to symbols
Feather, Pinpoint
Top View
7.77 mm5.73 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564016972
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.2%

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: $8,605 AUD|Low: $8,383 AUD|High: $16,054 AUD|Avg: $11,009 AUD|-1.8%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 14$8,456 AUD
Retailer 1$8,605 AUD
Retailer 16$9,389 AUD
Retailer 8$9,649 AUD
Retailer 4$10,488 AUD
Retailer 3$10,506 AUD
Retailer 5$10,506 AUD
Retailer 9$10,725 AUD
Retailer 11$10,734 AUD
Retailer 15$10,977 AUD
Retailer 6$11,382 AUD
Retailer 2$11,558 AUD
Retailer 7$11,721 AUD
Retailer 10$11,755 AUD
Retailer 13$13,983 AUD
Retailer 12$15,864 AUD

24 data points across 16 retailers

22 retailers$8,456 AUD to $19,038 AUD

A
Cheapest Retailer
-
$8,456 AUD
HK$46,300 HKD
A
Retailer 2
-
$8,605 AUD
₹574,331 INR
View
A
Retailer 3
-
$9,389 AUD
$6,580 USD
View
B+
Retailer 4
-
$9,632 AUD
$6,750 USD
View
Retailer 5
-
$9,649 AUD
SGD 9,138 SGD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$9,837 AUD
$6,894 USD
View
B+
Retailer 7
-
$9,837 AUD
$6,894 USD
View
B+
Retailer 8
-
$10,488 AUD
$7,350 USD
View
B+
Retailer 9
-
$10,506 AUD
$7,363 USD
View
B+
Retailer 10
-
$10,506 AUD
$7,363 USD
View
Final sale: no returns
B+
Retailer 11
-
$10,725 AUD
£5,918 GBP
View
B+
Retailer 12
-
$10,734 AUD
£5,923 GBP
View
Retailer 13
-
$10,977 AUD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$11,382 AUD
$7,977 USD
View
B+
Retailer 15
-
$11,558 AUD
$8,100 USD
View
B+
Retailer 16
-
$11,621 AUD
$8,144 USD
View
B+
Retailer 17
-
$11,721 AUD
$8,214 USD
View
B+
Retailer 18
-
$11,755 AUD
€7,846 EUR
View
B+
Retailer 19
-
$13,133 AUD
$9,204 USD
View
B
Retailer 20
-
$13,983 AUD
ZAR 158,317 ZAR
View
B
Retailer 21
-
$15,864 AUD
£8,754 GBP
View
Most Expensive
B
NZ Jewellers
8e7edc29-9dec-438f-8730-c6dccc384921 · Oct 30
$19,038 AUD
$13,342 USD
View
21 more retailers have this diamond
Prices start from $8,456 AUDSave up to $10,581 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 Radiant
$8,456 AUD