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Round|Natural|GIA

2.51ct L SI1 Round Natural Diamond

VG • L/SI1 • GIA 6522909785

Certificate GIA 6522909785

Diamond specifications and retailer prices

From $14,996 AUD
As of November 5, 2026
7 retailers carry this diamond
Most expensive: $22,075 AUD at NZ Jewellers · As of October 27, 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6522909785. Listed at 7 retailers as of November 5, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6522909785
Dimensions8.42 × 8.49 × 5.47 mm
L/W Ratio1.01
Girdle conditionThick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.42 mm8.49 mm2.51 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6522909785
Side View
Table 56.0%Crown 38°GirdlePavilion 40.4°Culet: NoneDepth 64.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $22,075 AUD|Low: $11,512 AUD|High: $22,939 AUD|Avg: $15,207 AUD|-3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 7$11,512 AUD
Retailer 8$12,107 AUD
Retailer 4$12,768 AUD
Retailer 6$13,198 AUD
Retailer 3$13,279 AUD
Retailer 5$13,401 AUD
Retailer 10$13,564 AUD
Retailer 2$14,996 AUD
Retailer 11$15,192 AUD
NZ Jewellers$22,075 AUD
Retailer 9$22,727 AUD

29 data points across 11 retailers

7 retailers

Retailer 1
-
$11,512 AUD
Price last confirmed 8 days ago
Retailer 2
-
$12,107 AUD
View
Price last confirmed 9 days ago
Retailer 3
-
$12,768 AUD
View
Price last confirmed 9 days ago
Retailer 4
-
$13,198 AUD
View
Price last confirmed 11 days ago
Retailer 5
-
$13,401 AUD
View
Price last confirmed 12 days ago
B
Retailer 6
-
$14,996 AUD
View
Most Expensive
NZ Jewellers
a457f048-9257-45e8-ab33-175e80ff3047 · Oct 27
$22,075 AUD
$15,453 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from $14,996 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
2.51ct Round
$14,996 AUD