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Round|Natural|GIA

1.30ct E VS1 Round Natural Diamond

EX • E/VS1 • GIA 5176378176

Certificate GIA 5176378176

Diamond specifications and retailer prices

From $19,173 AUD
As of November 1, 2026
Save $15,052 AUD (44%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $39,785 AUD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 5176378176. Listed at 23 retailers as of November 1, 2026, with a 79% 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

1.30
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5176378176
Dimensions6.97 × 6.93 × 4.32 mm
L/W Ratio1.01
Top View
6.97 mm6.93 mm1.30 ctE / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5176378176
Side View
Table 59.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $22,691 AUD|Low: $19,173 AUD|High: $34,638 AUD|Avg: $24,593 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 8$19,173 AUD
Retailer 10$19,199 AUD
Retailer 2$20,147 AUD
Retailer 9$21,000 AUD
Retailer 1$22,691 AUD
Retailer 7$23,012 AUD
Retailer 11$23,376 AUD
Retailer 4$25,478 AUD
Retailer 3$26,336 AUD
Retailer 6$32,196 AUD
Retailer 5$34,225 AUD

44 data points across 11 retailers

23 retailers$19,173 AUD to $34,225 AUD

B+
Cheapest Retailer
-
$19,173 AUD
B+
Retailer 2
-
$19,199 AUD
View
B+
Retailer 3
-
$20,051 AUD
View
B+
Retailer 4
-
$20,147 AUD
View
B+
Retailer 5
-
$20,528 AUD
View
B
Retailer 6
-
$21,000 AUD
View
Final sale: no returns
B
Retailer 7
-
$21,486 AUD
View
B
Retailer 8
-
$21,915 AUD
View
B+
Retailer 9
-
$22,691 AUD
View
Retailer 10
-
$23,012 AUD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$23,376 AUD
View
B
Retailer 12
-
$23,741 AUD
View
B
Retailer 13
-
$24,654 AUD
View
B
Retailer 14
-
$24,657 AUD
View
B
Retailer 15
-
$24,657 AUD
View
B
Retailer 16
-
$25,474 AUD
View
B
Retailer 17
-
$25,478 AUD
View
B
Retailer 18
-
$25,621 AUD
View
B
Retailer 19
-
$26,336 AUD
View
B
Retailer 20
-
$31,046 AUD
View
B
Retailer 21
-
$32,196 AUD
View
B
Retailer 22
-
$34,225 AUD
View
Most Expensive
Diamond Quarter
1.3VS1E51763D9DN · Nov 2
$39,785 AUD
£21,878 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $19,173 AUDSave up to $15,052 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.

B+
1.30ct Round
$19,173 AUD