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Oval|Lab Grown|IGI

0.55ct H SI2 Oval Lab Grown Diamond

EX • H/SI2 • IGI LG407950360

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407950360

Diamond specifications and retailer prices

From $277 USD
As of October 29, 2026
Save $1,107 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,384 USD at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407950360 or 407950360. Listed at 10 retailers as of October 29, 2026, with prices from $277 to $1,384, a $1,107 spread on the same certified stone. MOH London lists it at $1,384. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.9°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407950360
Dimensions6.42 × 4.66 × 2.91 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.42 mm4.66 mm0.55 ctH / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407950360
Side View
Table 58.5%Crown 33.9°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,384 USD|Low: $220 USD|High: $1,393 USD|Avg: $616 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 19, 2026
Retailer 5$277 USD
Retailer 9$309 USD
Retailer 7$344 USD
Retailer 10$344 USD
Retailer 6$400 USD
Retailer 8$568 USD
Retailer 2$636 USD
Retailer 11$699 USD
Retailer 3$720 USD
Retailer 4$1,056 USD
MOH London$1,384 USD

19 data points across 11 retailers

10 retailers$277 USD to $1,384 USD

A
Cheapest Retailer
-
$277 USD
B+
Retailer 2
-
$309 USD
View
Final sale: no returns
B+
Retailer 3
-
$321 USD
View
B+
Retailer 4
-
$344 USD
View
B+
Retailer 5
-
$344 USD
View
B+
Retailer 6
-
$400 USD
View
B
Retailer 7
-
$568 USD
View
B
Retailer 8
-
$1,056 USD
View
B
Retailer 9
-
$1,105 USD
View
Most Expensive
B
MOH London
LG407950360 · Oct 29
$1,384 USD
£1,090 GBP
View
9 more retailers have this diamond
Prices start from $277 USDSave up to $1,107 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
$277 USD