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Oval|Lab Grown|IGI

0.51ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447001122

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001122

Diamond specifications and retailer prices

From €245 EUR
$274 USD
As of November 1, 2026
Save €976 EUR (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,221 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001122 or 447001122. Listed at 10 retailers as of November 1, 2026, with prices from €245 to €1,221, a €976 spread on the same certified stone. MOH London lists it at €1,221. 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

0.51
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.7°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001122
Dimensions6.23 × 4.66 × 2.86 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.23 mm4.66 mm0.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447001122
Side View
Table 60.5%Crown 31.7°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 61.4%

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: Nov 1
Current: €1,221 EUR|Low: €235 EUR|High: €1,236 EUR|Avg: €589 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6€245 EUR
Retailer 10€275 EUR
Retailer 8€304 EUR
Retailer 11€304 EUR
Retailer 7€322 EUR
Retailer 12€448 EUR
Retailer 9€505 EUR
Retailer 2€564 EUR
Retailer 3€620 EUR
Retailer 5€935 EUR
MOH London€1,221 EUR
Retailer 4€1,224 EUR

19 data points across 12 retailers

10 retailers€245 EUR to €1,221 EUR

A
Cheapest Retailer
-
€245 EUR
$274 USD
A
Retailer 2
-
€275 EUR
$307 USD
View
Final sale: no returns
A
Retailer 3
-
€285 EUR
$318 USD
View
B+
Retailer 4
-
€304 EUR
$340 USD
View
Retailer 5
-
€304 EUR
$340 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€322 EUR
$360 USD
View
B
Retailer 7
-
€505 EUR
$564 USD
View
B
Retailer 8
-
€935 EUR
$1,045 USD
View
B
Retailer 9
-
€979 EUR
$1,094 USD
View
Most Expensive
B
MOH London
LG447001122 · Nov 1
€1,221 EUR
£1,074 GBP
View
9 more retailers have this diamond
Prices start from €245 EURSave up to €976 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
0.51ct Oval
€245 EUR