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Round|Lab Grown|IGI

2.59ct H SI1 Round Lab Grown Diamond

EX • H/SI1

Diamond specifications and retailer prices

From $576 AUD
As of November 5, 2026
Save $2,317 AUD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,893 AUD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 2.59ct lab-grown round diamond

This 2.59ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 9 retailers as of November 5, 2026, with prices from $576 to $2,893, a $2,317 spread on the same certified stone. Diamond Exchange Canada lists it at $2,893. 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

2.59
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.79 × 8.75 × 5.50 mm
L/W Ratio1.00
Top View
8.79 mm8.75 mm2.59 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 55.5%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.7%

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 5
Current: $2,893 AUD|Low: $463 AUD|High: $2,893 AUD|Avg: $1,154 AUD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$463 AUD
Retailer 8$566 AUD
Retailer 7$573 AUD
Retailer 3$576 AUD
Retailer 4$826 AUD
Retailer 2$1,354 AUD
Retailer 5$2,034 AUD
Diamond Exchange Canada$2,893 AUD

40 data points across 8 retailers

9 retailers$576 AUD to $2,893 AUD

Retailer 1
-
$463 AUD
Price last confirmed 45 days ago
Retailer 2
-
$537 AUD
View
Price last confirmed 44 days ago
Retailer 3
-
$566 AUD
View
Price last confirmed 52 days ago
Retailer 4
-
$566 AUD
View
Price last confirmed 45 days ago
B+
Retailer 5
-
$576 AUD
View
B+
Retailer 6
-
$826 AUD
View
B+
Retailer 7
-
$1,354 AUD
View
Retailer 8
-
$2,034 AUD
View
Price last confirmed 46 days ago
Most Expensive
B+
Diamond Exchange Canada
1986528095 · Nov 5
$2,893 AUD
CA$2,813 CAD
View
8 more retailers have this diamond
Prices start from $576 AUDSave up to $2,317 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+
2.59ct Round
$576 AUD