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Oval|Lab Grown|IGI

0.77ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG782652406

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG782652406

Diamond specifications and retailer prices

From £193 GBP
As of October 25, 2026
Save £804 GBP (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £997 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.77ct lab-grown oval diamond

This 0.77ct lab-grown oval sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG782652406 or 782652406. Listed at 4 retailers as of October 25, 2026, with prices from £193 to £997, a £804 spread on the same certified stone. MOH London lists it at £997. 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

0.77
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782652406
Dimensions6.97 × 5.53 × 3.18 mm
L/W Ratio1.26
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.97 mm5.53 mm0.77 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG782652406
Side View
Table 65.0%Crown 32°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 57.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: £997 GBP|Low: £175 GBP|High: £997 GBP|Avg: £332 GBP|+58.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 26, 2026
Retailer 5£175 GBP
Retailer 3£193 GBP
Retailer 2£227 GBP
Retailer 4£425 GBP
MOH London£997 GBP

11 data points across 5 retailers

4 retailers£193 GBP to £997 GBP

A
Cheapest Retailer
-
£193 GBP
A
Retailer 2
-
£227 GBP
$304 USD
View
B
Retailer 3
-
£425 GBP
$570 USD
View
Most Expensive
B
MOH London
LG782652406 · Oct 26
£997 GBP
View
3 more retailers have this diamond
Prices start from £193 GBPSave up to £804 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
0.77ct Oval
£193 GBP