CaratHunter
Plans
Oval|Lab Grown|IGI

3.00ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG451092173

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451092173

Diamond specifications and retailer prices

From £2,954 GBP
As of November 5, 2026
Save £4,366 GBP (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £7,320 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3ct lab-grown oval diamond

This 3ct lab-grown oval sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451092173 or 451092173. Listed at 9 retailers as of November 5, 2026, with prices from £2,954 to £7,320, a £4,366 spread on the same certified stone. MOH London lists it at £7,320. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.00
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451092173
Dimensions10.85 × 8.09 × 5.21 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD).
Top View
10.85 mm8.09 mm3.00 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451092173
Side View
Table 59.0%Crown 35.9°Girdle: THK-VTKPavilion 41.1°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £7,320 GBP|Low: £2,954 GBP|High: £7,438 GBP|Avg: £4,587 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4£2,954 GBP
Retailer 5£3,427 GBP
Retailer 3£3,470 GBP
Retailer 7£3,839 GBP
Retailer 8£4,415 GBP
Retailer 2£4,545 GBP
Retailer 6£5,307 GBP
MOH London£7,320 GBP

16 data points across 8 retailers

9 retailers£2,954 GBP to £7,320 GBP

A
Cheapest Retailer
-
£2,954 GBP
A
Retailer 2
-
£3,096 GBP
View
Retailer 3
-
£3,427 GBP
View
Price last confirmed 25 days ago
B+
Retailer 4
-
£3,427 GBP
View
A
Retailer 5
-
£3,470 GBP
View
B+
Retailer 6
-
£4,282 GBP
View
B+
Retailer 7
-
£4,545 GBP
View
B
Retailer 8
-
£5,307 GBP
View
Most Expensive
B
MOH London
LG451092173 · Nov 5
£7,320 GBP
View
8 more retailers have this diamond
Prices start from £2,954 GBPSave up to £4,366 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.

A
3.00ct Oval
£2,954 GBP