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Round|Lab Grown|IGI

2.50ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG476162673

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476162673

Diamond specifications and retailer prices

From $1,543 AUD
$1,084 USD
As of October 31, 2026
Save $13,647 AUD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,190 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476162673 or 476162673. Listed at 15 retailers as of October 31, 2026, with prices from $1,543 to $15,190, a $13,647 spread on the same certified stone. Do Amore Diamonds lists it at $15,190. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476162673
Dimensions8.77 × 8.72 × 5.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.77 mm8.72 mm2.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476162673
Side View
Table 56.5%Crown 33.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $15,190 AUD|Low: $1,368 AUD|High: $15,190 AUD|Avg: $3,864 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 4$1,543 AUD
Retailer 7$1,687 AUD
Retailer 9$1,710 AUD
Retailer 14$1,861 AUD
Retailer 12$1,915 AUD
Retailer 10$1,983 AUD
Retailer 8$2,228 AUD
Retailer 13$2,306 AUD
Retailer 11$3,148 AUD
Retailer 6$3,801 AUD
Retailer 3$4,104 AUD
Retailer 5$5,553 AUD
Retailer 2$7,073 AUD
Do Amore Diamonds$15,190 AUD

18 data points across 14 retailers

15 retailers$1,543 AUD to $15,190 AUD

A
Cheapest Retailer
-
$1,543 AUD
$1,084 USD
Retailer 2
-
$1,687 AUD
$1,185 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$1,710 AUD
$1,201 USD
View
A
Retailer 4
-
$1,861 AUD
$1,307 USD
View
A
Retailer 5
-
$1,915 AUD
$1,345 USD
View
Final sale: no returns
A
Retailer 6
-
$1,983 AUD
$1,393 USD
View
Retailer 7
-
$1,983 AUD
$1,393 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$2,228 AUD
$1,565 USD
View
A
Retailer 9
-
$2,306 AUD
$1,620 USD
View
B+
Retailer 10
-
$3,148 AUD
$2,211 USD
View
B+
Retailer 11
-
$3,801 AUD
$2,670 USD
View
B+
Retailer 12
-
$4,104 AUD
$2,883 USD
View
B
Retailer 13
-
$5,553 AUD
CA$5,418 CAD
View
B
Retailer 14
-
$7,073 AUD
£3,912 GBP
View
Most Expensive
B
Do Amore Diamonds
27-079079A23 · Oct 31
$15,190 AUD
$10,670 USD
View
14 more retailers have this diamond
Prices start from $1,543 AUDSave up to $13,647 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
$1,543 AUD