Round|Lab Grown|IGI

2.12ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG512222782

Shape and cutting style on the report: Round brilliant

Certificate IGI LG512222782

Diamond specifications and retailer prices

From $809 AUD
As of November 5, 2026
Save $3,546 AUD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,354 AUD at MOH London · As of November 3, 2026
View at MOH London

About this 2.12ct lab-grown round diamond

This 2.12ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512222782 or 512222782. Listed at 14 retailers as of November 3, 2026, with prices from $809 to $4,354, a $3,546 spread on the same certified stone. MOH London lists it at $4,354. 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

2.12
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512222782
Dimensions8.21 × 8.12 × 5.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.21 mm8.12 mm2.12 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512222782
Side View
Table 59.5%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: Nov 5
Current: $4,354 AUD|Low: $291 AUD|High: $4,407 AUD|Avg: $1,611 AUD|-1.2%
MOH London
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
November 6, 2026
Retailer 10$809 AUD
Retailer 6$904 AUD
Retailer 12$906 AUD
Retailer 2$1,003 AUD
Retailer 3$1,003 AUD
Retailer 14$1,451 AUD
Retailer 8$1,497 AUD
Retailer 7$1,536 AUD
Retailer 5$1,546 AUD
Retailer 11$1,643 AUD
Retailer 4$2,413 AUD
Retailer 13$2,488 AUD
Retailer 9$2,638 AUD
MOH London$4,354 AUD

32 data points across 14 retailers

14 retailers$809 AUD to $4,354 AUD

A
Cheapest Retailer
-
$809 AUD
A
Retailer 2
-
$904 AUD
View
Final sale: no returns
A
Retailer 3
-
$906 AUD
View
A
Retailer 4
-
$1,003 AUD
View
B+
Retailer 5
-
$1,097 AUD
View
B+
Retailer 6
-
$1,451 AUD
View
B+
Retailer 7
-
$1,497 AUD
View
B+
Retailer 8
-
$1,536 AUD
View
B+
Retailer 9
-
$1,546 AUD
View
B+
Retailer 10
-
$1,643 AUD
View
B
Retailer 11
-
$2,413 AUD
View
B
Retailer 12
-
$2,488 AUD
View
B
Retailer 13
-
$2,638 AUD
View
Most Expensive
B
MOH London
LG512222782 · Nov 3
$4,354 AUD
£2,400 GBP
View
13 more retailers have this diamond
Prices start from $809 AUDSave up to $3,546 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
2.12ct Round
$809 AUD