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Round|Lab Grown|IGI

2.12ct K SI1 Round Lab Grown Diamond

GD • K/SI1 • IGI LG451057949

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057949

Diamond specifications and retailer prices

From $2,646 AUD
As of November 5, 2026
Save $6,095 AUD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,741 AUD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG451057949 or 451057949. Listed at 10 retailers as of November 5, 2026, with prices from $2,646 to $8,741, a $6,095 spread on the same certified stone. MOH London lists it at $8,741. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.12
Carat
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057949
Dimensions8.24 × 8.29 × 4.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.24 mm8.29 mm2.12 ctK / SI1
OriginLab Grown
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG451057949
Side View
Table 59.5%Crown 34.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,741 AUD|Low: $2,540 AUD|High: $8,880 AUD|Avg: $4,317 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$2,646 AUD
Retailer 2$2,977 AUD
Retailer 6$3,068 AUD
Retailer 8$3,068 AUD
Retailer 3$3,307 AUD
Retailer 9$4,091 AUD
Retailer 7$4,808 AUD
Retailer 4$5,161 AUD
MOH London$8,741 AUD

41 data points across 9 retailers

10 retailers$2,646 AUD to $8,741 AUD

B+
Cheapest Retailer
-
$2,646 AUD
B+
Retailer 2
-
$2,878 AUD
View
B+
Retailer 3
-
$2,977 AUD
View
B+
Retailer 4
-
$3,068 AUD
View
Retailer 5
-
$3,068 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$3,307 AUD
View
B
Retailer 7
-
$4,808 AUD
View
C
Retailer 8
-
$5,161 AUD
View
C
Retailer 9
-
$5,751 AUD
View
Most Expensive
C
MOH London
LG451057949 · Nov 5
$8,741 AUD
£4,818 GBP
View
9 more retailers have this diamond
Prices start from $2,646 AUDSave up to $6,095 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+
2.12ct Round
$2,646 AUD