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Oval|Lab Grown|IGI

3.09ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG838622123

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG838622123

Diamond specifications and retailer prices

From £424 GBP
$564 USD
As of October 29, 2026
Save £1,861 GBP (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,285 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 3.09ct lab-grown oval diamond

This 3.09ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG838622123 or 838622123. Listed at 8 retailers as of October 25, 2026, with prices from £424 to £2,285, a £1,861 spread on the same certified stone. MOH London lists it at £2,285. 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

3.09
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838622123
Dimensions11.56 × 8.20 × 5.18 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.56 mm8.20 mm3.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838622123
Side View
Table 64.0%Crown 33.2°Girdle: MED-STKPavilion 42.3°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: Oct 29
Current: £2,285 GBP|Low: £627 GBP|High: £2,285 GBP|Avg: £1,060 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 5£627 GBP
Retailer 2£719 GBP
Retailer 7£810 GBP
Retailer 3£820 GBP
Retailer 6£1,223 GBP
Retailer 4£1,304 GBP
MOH London£2,285 GBP

10 data points across 7 retailers

8 retailers£424 GBP to £2,285 GBP

A
Cheapest Retailer
-
£424 GBP
$564 USD
A
Retailer 2
-
£627 GBP
$835 USD
View
A
Retailer 3
-
£719 GBP
View
A
Retailer 4
-
£810 GBP
$1,079 USD
View
A
Retailer 5
-
£820 GBP
View
B+
Retailer 6
-
£1,223 GBP
$1,628 USD
View
B+
Retailer 7
-
£1,304 GBP
$1,737 USD
View
Most Expensive
B
MOH London
LG838622123 · Oct 25
£2,285 GBP
View
7 more retailers have this diamond
Prices start from £424 GBPSave up to £1,861 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
3.09ct Oval
£424 GBP