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Oval|Lab Grown|IGI

0.99ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG782650819

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG782650819

Diamond specifications and retailer prices

From £210 GBP
$282 USD
As of October 29, 2026
Save £399 GBP (65%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £609 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.99ct lab-grown oval diamond

This 0.99ct 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 LG782650819 or 782650819. Listed at 11 retailers as of October 29, 2026, with prices from £210 to £609, a £399 spread on the same certified stone. MOH London lists it at £609. 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

0.99
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782650819
Dimensions7.80 × 5.58 × 3.56 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm5.58 mm0.99 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782650819
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.8%

Caratlytics Score

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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: Oct 29
Current: £609 GBP|Low: £63 GBP|High: £633 GBP|Avg: £281 GBP|+1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9£63 GBP
Retailer 4£210 GBP
Retailer 3£222 GBP
Retailer 8£234 GBP
Retailer 5£238 GBP
Retailer 2£242 GBP
Retailer 7£308 GBP
Retailer 6£426 GBP
MOH London£609 GBP

42 data points across 9 retailers

11 retailers£210 GBP to £609 GBP

Retailer 1
-
£108 GBP
$145 USD
Price last confirmed 31 days ago
Retailer 2
-
£120 GBP
$161 USD
View
Price last confirmed 35 days ago
Retailer 3
-
£132 GBP
$177 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
£210 GBP
$282 USD
View
A
Retailer 5
-
£222 GBP
View
A
Retailer 6
-
£238 GBP
View
A
Retailer 7
-
£242 GBP
$324 USD
View
A
Retailer 8
-
£308 GBP
$413 USD
View
B+
Retailer 9
-
£426 GBP
$571 USD
View
Retailer 10
-
£430 GBP
$576 USD
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
LG782650819 · Oct 29
£609 GBP
View
10 more retailers have this diamond
Prices start from £210 GBPSave up to £399 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
0.99ct Oval
£210 GBP