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Round|Lab Grown|IGI

2.51ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG750504543

Certificate IGI LG750504543

Diamond specifications and retailer prices

From $3,345 AUD
$2,350 USD
As of October 30, 2026
Save $1,637 AUD (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,982 AUD at Jared · As of October 30, 2026
View at Jared

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG750504543 or 750504543. Listed at 3 retailers as of October 30, 2026, with prices from $3,345 to $4,982, a $1,637 spread on the same certified stone. Jared lists it at $4,982. 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

2.51
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG750504543
Dimensions8.65 × 8.71 mm
L/W Ratio1.01
Top View
8.65 mm8.71 mm2.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750504543
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,982 AUD|Low: $3,203 AUD|High: $4,982 AUD|Avg: $3,755 AUD
Jared
Retailer 2
Retailer 3
July 10, 2026
Retailer 2$3,345 AUD
Retailer 3$3,345 AUD
Jared$4,982 AUD

7 data points across 3 retailers

3 retailers$3,345 AUD to $4,982 AUD

B
Cheapest Retailer
-
$3,345 AUD
$2,350 USD
B
Retailer 2
-
$3,345 AUD
$2,350 USD
View
Most Expensive
B
Jared
157454088 · Oct 30
$4,982 AUD
$3,500 USD
View
2 more retailers have this diamond
Prices start from $3,345 AUDSave up to $1,637 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
$3,345 AUD