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Oval|Lab Grown|IGI

0.51ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445037644

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037644

Diamond specifications and retailer prices

From €218 EUR
$244 USD
As of October 29, 2026
Save €871 EUR (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,089 EUR at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037644 or 445037644. Listed at 10 retailers as of October 29, 2026, with prices from €218 to €1,089, a €871 spread on the same certified stone. MOH London lists it at €1,089. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037644
Dimensions6.45 × 4.45 × 2.75 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.45 mm4.45 mm0.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037644
Side View
Table 56.0%Crown 31.9°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 61.8%

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 29
Current: €1,089 EUR|Low: €209 EUR|High: €1,097 EUR|Avg: €487 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 6€218 EUR
Retailer 9€243 EUR
Retailer 7€270 EUR
Retailer 10€270 EUR
Retailer 2€286 EUR
Retailer 8€455 EUR
Retailer 4€511 EUR
Retailer 11€537 EUR
Retailer 3€567 EUR
Retailer 5€872 EUR
MOH London€1,089 EUR

18 data points across 11 retailers

10 retailers€218 EUR to €1,089 EUR

A
Cheapest Retailer
-
€218 EUR
$244 USD
A
Retailer 2
-
€243 EUR
$272 USD
View
Final sale: no returns
A
Retailer 3
-
€253 EUR
$283 USD
View
B+
Retailer 4
-
€270 EUR
$302 USD
View
B+
Retailer 5
-
€270 EUR
$302 USD
View
A
Retailer 6
-
€286 EUR
$320 USD
View
B+
Retailer 7
-
€455 EUR
$508 USD
View
B
Retailer 8
-
€869 EUR
$971 USD
View
B
Retailer 9
-
€872 EUR
$974 USD
View
Most Expensive
B
MOH London
LG445037644 · Oct 29
€1,089 EUR
£958 GBP
View
9 more retailers have this diamond
Prices start from €218 EURSave up to €871 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
€218 EUR