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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 £1,376 GBP
As of November 5, 2026
Save £3,170 GBP (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,546 GBP 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 £1,376 to £4,546, a £3,170 spread on the same certified stone. MOH London lists it at £4,546. 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: £4,546 GBP|Low: £1,321 GBP|High: £4,619 GBP|Avg: £2,247 GBP|-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£1,376 GBP
Retailer 2£1,547 GBP
Retailer 6£1,596 GBP
Retailer 8£1,596 GBP
Retailer 3£1,720 GBP
Retailer 9£2,128 GBP
Retailer 7£2,501 GBP
Retailer 4£2,684 GBP
MOH London£4,546 GBP

40 data points across 9 retailers

10 retailers£1,376 GBP to £4,546 GBP

B+
Cheapest Retailer
-
£1,376 GBP
B+
Retailer 2
-
£1,497 GBP
View
B+
Retailer 3
-
£1,547 GBP
View
B+
Retailer 4
-
£1,596 GBP
View
Retailer 5
-
£1,596 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£1,720 GBP
View
B
Retailer 7
-
£2,501 GBP
View
C
Retailer 8
-
£2,684 GBP
View
C
Retailer 9
-
£2,991 GBP
View
Most Expensive
C
MOH London
LG451057949 · Nov 5
£4,546 GBP
View
9 more retailers have this diamond
Prices start from £1,376 GBPSave up to £3,170 GBP

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
£1,376 GBP