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Round|Lab Grown|IGI

2.06ct K SI1 Round Lab Grown Diamond

GD • K/SI1 • IGI LG451055407

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055407

Diamond specifications and retailer prices

From £1,337 GBP
As of November 5, 2026
Save £3,094 GBP (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,431 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.06ct lab-grown round diamond

This 2.06ct 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 LG451055407 or 451055407. Listed at 9 retailers as of November 1, 2026, with prices from £1,337 to £4,431, a £3,094 spread on the same certified stone. MOH London lists it at £4,431. 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

2.06
Carat
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055407
Dimensions8.08 × 8.09 × 5.05 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.08 mm8.09 mm2.06 ctK / SI1
OriginLab Grown
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG451055407
Side View
Table 56.0%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

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: £4,431 GBP|Low: £1,337 GBP|High: £4,491 GBP|Avg: £2,412 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4£1,337 GBP
Retailer 5£1,551 GBP
Retailer 3£1,594 GBP
Retailer 7£2,073 GBP
Retailer 6£2,433 GBP
Retailer 2£2,610 GBP
MOH London£4,431 GBP

13 data points across 7 retailers

9 retailers£1,337 GBP to £4,431 GBP

B+
Cheapest Retailer
-
£1,337 GBP
B+
Retailer 2
-
£1,456 GBP
View
Retailer 3
-
£1,551 GBP
View
Price last confirmed 25 days ago
B+
Retailer 4
-
£1,551 GBP
View
B+
Retailer 5
-
£1,594 GBP
View
B
Retailer 6
-
£2,433 GBP
View
C
Retailer 7
-
£2,610 GBP
View
C
Retailer 8
-
£2,908 GBP
View
Most Expensive
C
MOH London
LG451055407 · Nov 1
£4,431 GBP
View
8 more retailers have this diamond
Prices start from £1,337 GBPSave up to £3,094 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+
2.06ct Round
£1,337 GBP