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Round|Natural|GIA

1.51ct G VS1 Round Natural Diamond

EX • G/VS1 • GIA 2566513771

Certificate GIA 2566513771

Diamond specifications and retailer prices

From $10,951 AUD
HK$60,100 HKD
As of November 1, 2026
Save $10,773 AUD (50%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $23,089 AUD at NZ Jewellers · As of October 20, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2566513771. Listed at 24 retailers as of October 30, 2026, with a 98% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566513771
Dimensions7.32 × 7.29 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
7.32 mm7.29 mm1.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566513771
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.8%

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: $21,724 AUD|Low: $10,951 AUD|High: $23,089 AUD|Avg: $15,545 AUD|-5.9%
NZ Jewellers
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 2$10,951 AUD
Retailer 13$12,093 AUD
Retailer 8$12,260 AUD
Retailer 21$12,283 AUD
Retailer 22$12,836 AUD
Retailer 12$13,265 AUD
Retailer 11$13,806 AUD
Retailer 5$14,041 AUD
Retailer 16$14,172 AUD
Retailer 6$14,229 AUD
Retailer 14$14,464 AUD
Retailer 15$14,673 AUD
Retailer 17$15,186 AUD
Retailer 3$15,252 AUD
Retailer 9$15,812 AUD
Retailer 10$16,298 AUD
Retailer 19$16,655 AUD
Retailer 20$17,060 AUD
Retailer 4$18,687 AUD
Retailer 7$19,389 AUD
Retailer 18$19,866 AUD
NZ Jewellers$21,724 AUD

16 data points across 22 retailers

24 retailers$10,951 AUD to $21,724 AUD

A
Cheapest Retailer
-
$10,951 AUD
HK$60,100 HKD
A
Retailer 2
-
$12,093 AUD
€8,090 EUR
View
Retailer 3
-
$12,115 AUD
$8,510 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$12,260 AUD
$8,612 USD
View
A
Retailer 5
-
$12,283 AUD
€8,217 EUR
View
A
Retailer 6
-
$12,836 AUD
£7,099 GBP
View
A
Retailer 7
-
$13,265 AUD
$9,318 USD
View
A
Retailer 8
-
$13,806 AUD
$9,698 USD
View
A
Retailer 9
-
$14,041 AUD
$9,863 USD
View
Final sale: no returns
A
Retailer 10
-
$14,172 AUD
$9,955 USD
View
A
Retailer 11
-
$14,229 AUD
$9,995 USD
View
A
Retailer 12
-
$14,464 AUD
$10,160 USD
View
Retailer 13
-
$14,673 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
-
$15,186 AUD
$10,667 USD
View
A
Retailer 15
-
$15,252 AUD
£8,436 GBP
View
A
Retailer 16
-
$15,812 AUD
$11,107 USD
View
B+
Retailer 17
-
$16,298 AUD
$11,448 USD
View
B+
Retailer 18
-
$16,655 AUD
£9,212 GBP
View
B+
Retailer 19
-
$17,060 AUD
View
B+
Retailer 20
-
$18,687 AUD
ZAR 212,063 ZAR
View
B+
Retailer 21
-
$19,389 AUD
$13,620 USD
View
B+
Retailer 22
-
$19,866 AUD
£10,988 GBP
View
B+
Retailer 23
-
$21,724 AUD
$15,260 USD
View
Most Expensive
NZ Jewellers
8c14a86f-5f46-45ab-95bf-9f78b213ac7a · Oct 20
$23,089 AUD
$16,219 USD
View
Price last confirmed 12 days ago
23 more retailers have this diamond
Prices start from $10,951 AUDSave up to $10,773 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
$10,951 AUD