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Round|Lab Grown|IGI

2.17ct K SI1 Round Lab Grown Diamond

GD • K/SI1 • IGI LG451055452

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055452

Diamond specifications and retailer prices

From £1,408 GBP
As of November 5, 2026
Save £3,244 GBP (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,652 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 2.17ct lab-grown round diamond

This 2.17ct 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 LG451055452 or 451055452. Listed at 9 retailers as of November 5, 2026, with prices from £1,408 to £4,652, a £3,244 spread on the same certified stone. MOH London lists it at £4,652. 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

2.17
Carat
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
Crown angle35.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055452
Dimensions8.25 × 8.28 × 5.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.25 mm8.28 mm2.17 ctK / SI1
OriginLab Grown
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG451055452
Side View
Table 61.5%Crown 35.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.8%

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: £4,652 GBP|Low: £1,408 GBP|High: £4,720 GBP|Avg: £2,488 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4£1,408 GBP
Retailer 5£1,633 GBP
Retailer 2£1,757 GBP
Retailer 7£2,109 GBP
Retailer 6£2,559 GBP
Retailer 3£2,681 GBP
MOH London£4,652 GBP

17 data points across 7 retailers

9 retailers£1,408 GBP to £4,652 GBP

B+
Cheapest Retailer
-
£1,408 GBP
B+
Retailer 2
-
£1,532 GBP
View
B+
Retailer 3
-
£1,633 GBP
View
Retailer 4
-
£1,633 GBP
View
Price last confirmed 26 days ago
B+
Retailer 5
-
£1,757 GBP
View
B
Retailer 6
-
£2,559 GBP
View
B
Retailer 7
-
£2,681 GBP
View
C
Retailer 8
-
£3,061 GBP
View
Most Expensive
C
MOH London
LG451055452 · Nov 5
£4,652 GBP
View
8 more retailers have this diamond
Prices start from £1,408 GBPSave up to £3,244 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+
2.17ct Round
£1,408 GBP