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Oval|Lab Grown|IGI

0.73ct I SI1 Oval Lab Grown Diamond

EX • I/SI1 • IGI LG407950367

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407950367

Diamond specifications and retailer prices

From £344 GBP
As of November 6, 2026
Save £1,248 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,591 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.73ct lab-grown oval diamond

This 0.73ct lab-grown oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407950367 or 407950367. Listed at 11 retailers as of November 5, 2026, with prices from £344 to £1,591, a £1,248 spread on the same certified stone. MOH London lists it at £1,591. 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

0.73
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407950367
Dimensions6.98 × 5.13 × 3.24 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.98 mm5.13 mm0.73 ctI / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407950367
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.2%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £1,591 GBP|Low: £336 GBP|High: £1,745 GBP|Avg: £776 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4£344 GBP
Retailer 6£350 GBP
Retailer 9£392 GBP
Retailer 7£434 GBP
Retailer 10£434 GBP
Retailer 11£542 GBP
Retailer 8£678 GBP
Retailer 2£730 GBP
Retailer 5£1,168 GBP
MOH London£1,591 GBP
Retailer 3£1,745 GBP

25 data points across 11 retailers

11 retailers£344 GBP to £1,591 GBP

A
Cheapest Retailer
-
£344 GBP
B+
Retailer 2
-
£350 GBP
View
B+
Retailer 3
-
£392 GBP
View
Final sale: no returns
B+
Retailer 4
-
£392 GBP
View
B+
Retailer 5
-
£434 GBP
View
Retailer 6
-
£434 GBP
View
Price last confirmed 21 days ago
B
Retailer 7
-
£678 GBP
View
B
Retailer 8
-
£730 GBP
View
B
Retailer 9
-
£1,168 GBP
View
B
Retailer 10
-
£1,396 GBP
View
Most Expensive
B
MOH London
LG407950367 · Nov 5
£1,591 GBP
View
10 more retailers have this diamond
Prices start from £344 GBPSave up to £1,248 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
0.73ct Oval
£344 GBP