Oval|Lab Grown|IGI

1.01ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG811659937

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811659937

Diamond specifications and retailer prices

From €273 EUR
$305 USD
As of October 30, 2026
Save €550 EUR (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €823 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown oval diamond

This 1.01ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811659937 or 811659937. Listed at 6 retailers as of October 29, 2026, with prices from €273 to €823, a €550 spread on the same certified stone. MOH London lists it at €823. 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

1.01
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811659937
Dimensions7.96 × 5.75 × 3.38 mm
L/W Ratio1.38
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
7.96 mm5.75 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811659937
Side View
Table 63.0%Crown 37.7°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 58.8%

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: €823 EUR|Low: €273 EUR|High: €868 EUR|Avg: €466 EUR|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4€273 EUR
Retailer 2€307 EUR
Retailer 6€318 EUR
Retailer 3€459 EUR
Retailer 5€612 EUR
MOH London€823 EUR

37 data points across 6 retailers

6 retailers€273 EUR to €823 EUR

A
Cheapest Retailer
-
€273 EUR
$305 USD
A
Retailer 2
-
€307 EUR
£270 GBP
View
A
Retailer 3
-
€318 EUR
$355 USD
View
B+
Retailer 4
-
€459 EUR
$513 USD
View
B
Retailer 5
-
€612 EUR
$683 USD
View
Most Expensive
B
MOH London
LG811659937 · Oct 29
€823 EUR
£724 GBP
View
5 more retailers have this diamond
Prices start from €273 EURSave up to €550 EUR

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
1.01ct Oval
€273 EUR