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Oval|Lab Grown|IGI

1.55ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG542230837

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG542230837

Diamond specifications and retailer prices

From €217 EUR
$242 USD
As of November 2, 2026
3 retailers carry this diamond
Most expensive: €835 EUR at Rare Carat · As of September 9, 2026
View at Rare Carat

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542230837 or 542230837. Listed at 3 retailers as of November 2, 2026. 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

1.55
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542230837
Dimensions9.21 × 6.57 × 4.14 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.21 mm6.57 mm1.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542230837
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €835 EUR|Low: €122 EUR|High: €1,880 EUR|Avg: €629 EUR|-13.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
September 27, 2026
Retailer 14€122 EUR
Retailer 2€217 EUR
Retailer 9€229 EUR
Retailer 8€373 EUR
Retailer 13€376 EUR
Retailer 7€403 EUR
Retailer 6€462 EUR
Retailer 10€479 EUR
Retailer 12€515 EUR
Retailer 5€671 EUR
Retailer 4€783 EUR
Rare Carat€835 EUR
Retailer 3€1,086 EUR
Retailer 11€1,101 EUR

70 data points across 14 retailers

3 retailers

A
Cheapest Retailer
-
€217 EUR
$242 USD
Final sale: no returns
Retailer 2
-
€671 EUR
$750 USD
View
Price last confirmed 47 days ago
Most Expensive
Rare Carat
D14-29A · Sep 9
€835 EUR
$933 USD
View
Price last confirmed 53 days ago
2 more retailers have this diamond
Prices start from €217 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
1.55ct Oval
€217 EUR