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Oval|Lab Grown|IGI

1.04ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG451058645

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451058645

Diamond specifications and retailer prices

From €544 EUR
$610 USD
As of October 31, 2026
Save €1,688 EUR (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,627 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 1.04ct lab-grown oval diamond

This 1.04ct 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 LG451058645 or 451058645. Listed at 11 retailers as of October 31, 2026, with a 310% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.04
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451058645
Dimensions8.42 × 5.56 × 3.51 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Top View
8.42 mm5.56 mm1.04 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451058645
Side View
Table 58.0%Crown 34°Girdle: MED-THKPavilion 42°Culet: NoneDepth 63.1%

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: €3,627 EUR|Low: €544 EUR|High: €3,665 EUR|Avg: €1,675 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2€544 EUR
Retailer 4€921 EUR
Retailer 7€1,031 EUR
Retailer 5€1,068 EUR
Retailer 8€1,068 EUR
Retailer 9€1,221 EUR
Retailer 11€1,530 EUR
Retailer 6€1,704 EUR
Retailer 10€2,232 EUR
Retailer 3€3,058 EUR
MOH London€3,627 EUR

13 data points across 11 retailers

11 retailers€544 EUR to €2,232 EUR

A
Cheapest Retailer
-
€544 EUR
$610 USD
B+
Retailer 2
-
€921 EUR
$1,033 USD
View
B+
Retailer 3
-
€1,001 EUR
$1,123 USD
View
B+
Retailer 4
-
€1,031 EUR
$1,156 USD
View
Final sale: no returns
Retailer 5
-
€1,068 EUR
$1,198 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
€1,068 EUR
$1,198 USD
View
B
Retailer 7
-
€1,221 EUR
$1,370 USD
View
B
Retailer 8
-
€1,704 EUR
$1,911 USD
View
B
Retailer 9
-
€2,002 EUR
$2,245 USD
View
B
Retailer 10
-
€2,232 EUR
$2,503 USD
View
Most Expensive
MOH London
LG451058645 · Oct 25
€3,627 EUR
£3,203 GBP
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from €544 EURSave up to €1,688 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
1.04ct Oval
€544 EUR