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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 $1,852 USD
As of November 5, 2026
Save $4,267 USD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,119 USD 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 $1,852 to $6,119, a $4,267 spread on the same certified stone. MOH London lists it at $6,119. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $6,119 USD|Low: $1,778 USD|High: $6,217 USD|Avg: $3,024 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$1,852 USD
Retailer 2$2,082 USD
Retailer 6$2,148 USD
Retailer 8$2,148 USD
Retailer 3$2,315 USD
Retailer 9$2,864 USD
Retailer 7$3,366 USD
Retailer 4$3,613 USD
MOH London$6,119 USD

40 data points across 9 retailers

10 retailers$1,852 USD to $6,119 USD

B+
Cheapest Retailer
-
$1,852 USD
B+
Retailer 2
-
$2,015 USD
View
B+
Retailer 3
-
$2,082 USD
View
B+
Retailer 4
-
$2,148 USD
View
Retailer 5
-
$2,148 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,315 USD
View
B
Retailer 7
-
$3,366 USD
View
C
Retailer 8
-
$3,613 USD
View
C
Retailer 9
-
$4,026 USD
View
Most Expensive
C
MOH London
LG451057949 · Nov 5
$6,119 USD
£4,818 GBP
View
9 more retailers have this diamond
Prices start from $1,852 USDSave up to $4,267 USD

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
$1,852 USD