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Oval|Lab Grown|IGI

1.76ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG494184039

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG494184039

Diamond specifications and retailer prices

From £822 GBP
As of November 6, 2026
Save £3,312 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,134 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.76ct lab-grown oval diamond

This 1.76ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494184039 or 494184039. Listed at 10 retailers as of November 5, 2026, with prices from £822 to £4,134, a £3,312 spread on the same certified stone. MOH London lists it at £4,134. 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

1.76
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494184039
Dimensions9.50 × 6.88 × 4.25 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.50 mm6.88 mm1.76 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494184039
Side View
Table 58.5%Crown 32.3°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.8%

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: £4,134 GBP|Low: £822 GBP|High: £4,201 GBP|Avg: £1,992 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4£822 GBP
Retailer 3£1,251 GBP
Retailer 5£1,452 GBP
Retailer 9£1,479 GBP
Retailer 7£1,576 GBP
Retailer 8£1,947 GBP
Retailer 6£2,281 GBP
Retailer 2£2,503 GBP
MOH London£4,134 GBP

12 data points across 9 retailers

10 retailers£822 GBP to £4,134 GBP

A
Cheapest Retailer
-
£822 GBP
B+
Retailer 2
-
£1,251 GBP
View
B+
Retailer 3
-
£1,361 GBP
View
Retailer 4
-
£1,452 GBP
View
Price last confirmed 25 days ago
B+
Retailer 5
-
£1,452 GBP
View
B
Retailer 6
-
£1,576 GBP
View
B
Retailer 7
-
£2,281 GBP
View
B
Retailer 8
-
£2,503 GBP
View
B
Retailer 9
-
£2,721 GBP
View
Most Expensive
B
MOH London
LG494184039 · Nov 5
£4,134 GBP
View
9 more retailers have this diamond
Prices start from £822 GBPSave up to £3,312 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
1.76ct Oval
£822 GBP