CaratHunter
Plans
Oval|Lab Grown|IGI

1.09ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445035846

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445035846

Diamond specifications and retailer prices

From €573 EUR
$640 USD
As of October 31, 2026
Save €3,253 EUR (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,826 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct lab-grown oval diamond

This 1.09ct 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 LG445035846 or 445035846. Listed at 11 retailers as of October 29, 2026, with prices from €573 to €3,826, a €3,253 spread on the same certified stone. MOH London lists it at €3,826. 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

1.09
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445035846
Dimensions8.11 × 5.76 × 3.61 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
8.11 mm5.76 mm1.09 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445035846
Side View
Table 59.5%Crown 34.5°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 62.7%

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: €3,826 EUR|Low: €573 EUR|High: €3,857 EUR|Avg: €1,731 EUR|+0.5%
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€573 EUR
Retailer 4€968 EUR
Retailer 7€1,083 EUR
Retailer 5€1,122 EUR
Retailer 8€1,122 EUR
Retailer 9€1,280 EUR
Retailer 11€1,599 EUR
Retailer 6€1,787 EUR
Retailer 10€2,276 EUR
Retailer 3€3,214 EUR
MOH London€3,826 EUR

13 data points across 11 retailers

11 retailers€573 EUR to €3,826 EUR

A
Cheapest Retailer
-
€573 EUR
$640 USD
B+
Retailer 2
-
€968 EUR
$1,081 USD
View
B+
Retailer 3
-
€1,053 EUR
$1,176 USD
View
B+
Retailer 4
-
€1,083 EUR
$1,210 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,122 EUR
$1,254 USD
View
Retailer 6
-
€1,122 EUR
$1,254 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€1,280 EUR
$1,430 USD
View
B
Retailer 8
-
€1,787 EUR
$1,997 USD
View
B
Retailer 9
-
€2,103 EUR
$2,350 USD
View
B
Retailer 10
-
€2,276 EUR
$2,543 USD
View
Most Expensive
B
MOH London
LG445035846 · Oct 29
€3,826 EUR
£3,366 GBP
View
10 more retailers have this diamond
Prices start from €573 EURSave up to €3,253 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
1.09ct Oval
€573 EUR