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Round|Lab Grown|IGI

2.66ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG485136710

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136710

Diamond specifications and retailer prices

From $3,371 AUD
As of November 5, 2026
Save $7,211 AUD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,582 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 2.66ct lab-grown round diamond

This 2.66ct 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 LG485136710 or 485136710. Listed at 9 retailers as of November 5, 2026, with prices from $3,371 to $10,582, a $7,211 spread on the same certified stone. MOH London lists it at $10,582. 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

2.66
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136710
Dimensions9.01 × 9.04 × 5.37 mm
L/W Ratio1.00
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
9.01 mm9.04 mm2.66 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485136710
Side View
Table 58.0%Crown 31.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.5%

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: $10,582 AUD|Low: $3,371 AUD|High: $10,752 AUD|Avg: $5,986 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$3,371 AUD
Retailer 5$3,911 AUD
Retailer 2$4,148 AUD
Retailer 7$4,977 AUD
Retailer 3$5,993 AUD
Retailer 6$6,102 AUD
MOH London$10,582 AUD

19 data points across 7 retailers

9 retailers$3,371 AUD to $10,582 AUD

A
Cheapest Retailer
-
$3,371 AUD
A
Retailer 2
-
$3,668 AUD
View
A
Retailer 3
-
$3,911 AUD
View
Retailer 4
-
$3,911 AUD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$4,148 AUD
View
B
Retailer 6
-
$5,375 AUD
View
B
Retailer 7
-
$5,993 AUD
View
B
Retailer 8
-
$6,102 AUD
View
Most Expensive
B
MOH London
LG485136710 · Nov 5
$10,582 AUD
£5,725 GBP
View
8 more retailers have this diamond
Prices start from $3,371 AUDSave up to $7,211 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
2.66ct Round
$3,371 AUD