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Round|Natural|GIA

2.50ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 2566165976

Certificate GIA 2566165976

Diamond specifications and retailer prices

From $8,172 AUD
As of November 4, 2026
Save $10,208 AUD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,381 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566165976. Listed at 14 retailers as of November 4, 2026, with prices from $8,172 to $18,381, a $10,208 spread on the same certified stone. NZ Jewellers lists it at $18,381. 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

2.50
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566165976
Dimensions8.60 × 8.65 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
8.60 mm8.65 mm2.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2566165976
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 4
Current: $18,381 AUD|Low: $8,172 AUD|High: $18,381 AUD|Avg: $11,333 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$8,172 AUD
Retailer 6$8,298 AUD
Retailer 7$9,407 AUD
Retailer 3$10,144 AUD
Retailer 4$10,189 AUD
Retailer 9$10,989 AUD
Retailer 8$11,158 AUD
Retailer 5$11,915 AUD
Retailer 11$12,681 AUD
Retailer 2$12,692 AUD
NZ Jewellers$18,381 AUD

29 data points across 11 retailers

14 retailers$8,172 AUD to $18,381 AUD

A
Cheapest Retailer
-
$8,172 AUD
A
Retailer 2
-
$8,298 AUD
View
A
Retailer 3
-
$9,407 AUD
View
B+
Retailer 4
-
$9,568 AUD
View
B+
Retailer 5
-
$9,847 AUD
View
Retailer 6
-
$10,144 AUD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$10,189 AUD
View
B+
Retailer 8
-
$10,989 AUD
View
B+
Retailer 9
-
$11,158 AUD
View
B+
Retailer 10
-
$11,384 AUD
View
B+
Retailer 11
-
$11,915 AUD
View
B+
Retailer 12
-
$12,681 AUD
View
B+
Retailer 13
-
$12,692 AUD
View
Most Expensive
B
NZ Jewellers
3ae86cff-efea-4376-b32f-49280e5ca9fd · Nov 5
$18,381 AUD
$12,867 USD
View
13 more retailers have this diamond
Prices start from $8,172 AUDSave up to $10,208 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
2.50ct Round
$8,172 AUD