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Round|Natural|GIA

2.51ct N VS1 Round Natural Diamond

EX • N/VS1 • GIA 6545973586

Certificate GIA 6545973586

Diamond specifications and retailer prices

From $10,885 AUD
As of November 5, 2026
Save $8,892 AUD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $19,778 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded N colour (tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6545973586. Listed at 6 retailers as of November 5, 2026, with prices from $10,885 to $19,778, a $8,892 spread on the same certified stone. NZ Jewellers lists it at $19,778. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
N
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545973586
Dimensions8.74 × 8.68 × 5.41 mm
L/W Ratio1.01
Top View
8.74 mm8.68 mm2.51 ctN / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545973586
Side View
Table 57.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.2%

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 5
Current: $19,778 AUD|Low: $10,885 AUD|High: $19,778 AUD|Avg: $12,947 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 19, 2026
Retailer 4$10,885 AUD
Retailer 2$10,915 AUD
Retailer 7$11,168 AUD
Retailer 9$11,484 AUD
Retailer 3$11,825 AUD
Retailer 6$12,007 AUD
Retailer 10$12,882 AUD
Retailer 8$12,965 AUD
Retailer 5$13,645 AUD
NZ Jewellers$19,778 AUD

7 data points across 10 retailers

6 retailers$10,885 AUD to $19,778 AUD

A
Cheapest Retailer
-
$10,885 AUD
A
Retailer 2
-
$10,915 AUD
View
Final sale: no returns
A
Retailer 3
-
$11,825 AUD
View
A
Retailer 4
-
$12,007 AUD
View
B+
Retailer 5
-
$13,645 AUD
View
Most Expensive
B
NZ Jewellers
dd6274ba-ef2e-4f7e-a347-90c83dd74e99 · Nov 5
$19,778 AUD
$13,845 USD
View
5 more retailers have this diamond
Prices start from $10,885 AUDSave up to $8,892 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
2.51ct Round
$10,885 AUD