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Round|Lab Grown|IGI

2.56ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG497172472

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497172472

Diamond specifications and retailer prices

From $3,186 AUD
As of November 5, 2026
Save $6,814 AUD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,000 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 2.56ct lab-grown round diamond

This 2.56ct lab-grown round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497172472 or 497172472. Listed at 10 retailers as of November 5, 2026, with prices from $3,186 to $10,000, a $6,814 spread on the same certified stone. MOH London lists it at $10,000. 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

2.56
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497172472
Dimensions8.78 × 8.85 × 5.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.78 mm8.85 mm2.56 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497172472
Side View
Table 59.0%Crown 33.9°GirdlePavilion 40.2°Culet: NoneDepth 60.1%

Caratlytics Score

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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: Nov 5
Current: $10,000 AUD|Low: $3,058 AUD|High: $10,161 AUD|Avg: $5,203 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$3,186 AUD
Retailer 2$3,586 AUD
Retailer 6$3,696 AUD
Retailer 8$3,696 AUD
Retailer 3$3,928 AUD
Retailer 9$4,715 AUD
Retailer 7$5,770 AUD
Retailer 4$5,793 AUD
MOH London$10,000 AUD

41 data points across 9 retailers

10 retailers$3,186 AUD to $10,000 AUD

A
Cheapest Retailer
-
$3,186 AUD
A
Retailer 2
-
$3,467 AUD
View
A
Retailer 3
-
$3,586 AUD
View
Retailer 4
-
$3,696 AUD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$3,696 AUD
View
B+
Retailer 6
-
$3,928 AUD
View
B
Retailer 7
-
$5,080 AUD
View
B
Retailer 8
-
$5,770 AUD
View
B
Retailer 9
-
$5,793 AUD
View
Most Expensive
B
MOH London
LG497172472 · Nov 5
$10,000 AUD
£5,512 GBP
View
9 more retailers have this diamond
Prices start from $3,186 AUDSave up to $6,814 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
2.56ct Round
$3,186 AUD