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Oval|Lab Grown|IGI

5.08ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG557233959

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG557233959

Diamond specifications and retailer prices

From $1,112 USD
As of October 31, 2026
Save $1,379 USD (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,357 USD at Taylor and Hart · As of October 21, 2026
View at Taylor and Hart

About this 5.08ct lab-grown oval diamond

This 5.08ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG557233959 or 557233959. Listed at 5 retailers as of October 31, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.08
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557233959
Dimensions14.23 × 9.82 × 6.04 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.23 mm9.82 mm5.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557233959
Side View
Table 61.0%Crown 36.9°Girdle: MediumPavilion 40.9°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 31
Current: $2,453 USD|Low: $1,112 USD|High: $6,630 USD|Avg: $3,329 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 31, 2026
Retailer 3$1,112 USD
Retailer 9$1,139 USD
Retailer 6$1,500 USD
Retailer 4$1,897 USD
Retailer 8$2,132 USD
Retailer 1$2,453 USD
Retailer 5$2,491 USD
Taylor and Hart$3,357 USD
Retailer 2$4,905 USD
Retailer 10$6,051 USD
Retailer 7$6,630 USD

3 data points across 11 retailers

5 retailers$1,112 USD to $2,491 USD

A
Cheapest Retailer
-
$1,112 USD
B
Retailer 2
-
$1,897 USD
£1,494 GBP
View
B
Retailer 3
-
$2,453 USD
View
B
Retailer 4
-
$2,491 USD
View
Most Expensive
Taylor and Hart
0Q87JRO · Oct 21
$3,357 USD
View
Price last confirmed 9 days ago
4 more retailers have this diamond
Prices start from $1,112 USDSave up to $1,379 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
5.08ct Oval
$1,112 USD