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Oval|Lab Grown|IGI

1.05ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447000608

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000608

Diamond specifications and retailer prices

From £463 GBP
$620 USD
As of October 30, 2026
Save £2,614 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,077 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown oval diamond

This 1.05ct lab-grown oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447000608 or 447000608. Listed at 11 retailers as of October 29, 2026, with prices from £463 to £3,077, a £2,614 spread on the same certified stone. MOH London lists it at £3,077. 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

1.05
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000608
Dimensions8.23 × 5.67 × 3.58 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.23 mm5.67 mm1.05 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447000608
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 42°Culet: NoneDepth 63.1%

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: Oct 30
Current: £3,077 GBP|Low: £463 GBP|High: £3,097 GBP|Avg: £1,408 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2£463 GBP
Retailer 4£778 GBP
Retailer 7£870 GBP
Retailer 5£902 GBP
Retailer 8£902 GBP
Retailer 9£1,034 GBP
Retailer 11£1,291 GBP
Retailer 6£1,439 GBP
Retailer 10£1,886 GBP
Retailer 3£2,584 GBP
MOH London£3,077 GBP

12 data points across 11 retailers

11 retailers£463 GBP to £3,077 GBP

A
Cheapest Retailer
-
£463 GBP
$620 USD
B+
Retailer 2
-
£778 GBP
$1,042 USD
View
B+
Retailer 3
-
£846 GBP
$1,134 USD
View
B+
Retailer 4
-
£870 GBP
$1,166 USD
View
Final sale: no returns
Retailer 5
-
£902 GBP
$1,209 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
£902 GBP
$1,209 USD
View
B
Retailer 7
-
£1,034 GBP
$1,385 USD
View
B
Retailer 8
-
£1,439 GBP
$1,928 USD
View
B
Retailer 9
-
£1,691 GBP
$2,266 USD
View
B
Retailer 10
-
£1,886 GBP
$2,527 USD
View
Most Expensive
B
MOH London
LG447000608 · Oct 29
£3,077 GBP
View
10 more retailers have this diamond
Prices start from £463 GBPSave up to £2,614 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
1.05ct Oval
£463 GBP