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Oval|Lab Grown|IGI

0.55ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445039187

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445039187

Diamond specifications and retailer prices

From $294 USD
As of October 29, 2026
Save $1,168 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,462 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.55ct lab-grown oval diamond

This 0.55ct 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 LG445039187 or 445039187. Listed at 10 retailers as of October 26, 2026, with prices from $294 to $1,462, a $1,168 spread on the same certified stone. MOH London lists it at $1,462. 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

0.55
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039187
Dimensions6.58 × 4.60 × 2.83 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.58 mm4.60 mm0.55 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445039187
Side View
Table 59.0%Crown 34°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 61.5%

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: $1,462 USD|Low: $282 USD|High: $1,477 USD|Avg: $660 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4$294 USD
Retailer 6$364 USD
Retailer 8$364 USD
Retailer 5$400 USD
Retailer 9$520 USD
Retailer 7$597 USD
Retailer 2$670 USD
Retailer 10$727 USD
Retailer 3$1,119 USD
MOH London$1,462 USD

20 data points across 10 retailers

10 retailers$294 USD to $1,462 USD

A
Cheapest Retailer
-
$294 USD
A
Retailer 2
-
$341 USD
View
B+
Retailer 3
-
$364 USD
View
B+
Retailer 4
-
$364 USD
View
B+
Retailer 5
-
$400 USD
View
B
Retailer 6
-
$597 USD
View
B
Retailer 7
-
$670 USD
€638 EUR
View
B
Retailer 8
-
$1,119 USD
View
B
Retailer 9
-
$1,171 USD
View
Most Expensive
B
MOH London
LG445039187 · Oct 26
$1,462 USD
£1,151 GBP
View
9 more retailers have this diamond
Prices start from $294 USDSave up to $1,168 USD

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
0.55ct Oval
$294 USD