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Oval|Lab Grown|IGI

1.00ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG450028009

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG450028009

Diamond specifications and retailer prices

From €519 EUR
$580 USD
As of October 31, 2026
Save €2,985 EUR (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,505 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 1ct lab-grown oval diamond

This 1ct lab-grown oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG450028009 or 450028009. Listed at 11 retailers as of October 25, 2026, with prices from €519 to €3,505, a €2,985 spread on the same certified stone. MOH London lists it at €3,505. 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

1.00
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG450028009
Dimensions7.54 × 5.70 × 3.65 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD). Type IIa
Top View
7.54 mm5.70 mm1.00 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG450028009
Side View
Table 55.0%Crown 35.7°Girdle: MED-THKPavilion 41.5°Culet: NoneDepth 64.0%

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 31
Current: €3,505 EUR|Low: €519 EUR|High: €3,542 EUR|Avg: €1,742 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2€519 EUR
Retailer 4€890 EUR
Retailer 6€996 EUR
Retailer 7€1,190 EUR
Retailer 8€1,486 EUR
Retailer 5€1,649 EUR
Retailer 3€2,224 EUR
Retailer 9€2,956 EUR
MOH London€3,505 EUR

11 data points across 9 retailers

11 retailers€519 EUR to €3,505 EUR

A
Cheapest Retailer
-
€519 EUR
$580 USD
B+
Retailer 2
-
€890 EUR
$994 USD
View
B+
Retailer 3
-
€968 EUR
$1,081 USD
View
B+
Retailer 4
-
€996 EUR
$1,113 USD
View
Final sale: no returns
Retailer 5
-
€1,032 EUR
$1,153 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€1,032 EUR
$1,153 USD
View
B
Retailer 7
-
€1,190 EUR
$1,330 USD
View
B
Retailer 8
-
€1,649 EUR
$1,842 USD
View
B
Retailer 9
-
€1,934 EUR
$2,161 USD
View
B
Retailer 10
-
€2,224 EUR
$2,485 USD
View
Most Expensive
B
MOH London
LG450028009 · Oct 25
€3,505 EUR
£3,083 GBP
View
10 more retailers have this diamond
Prices start from €519 EURSave up to €2,985 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
1.00ct Oval
€519 EUR