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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 $1,973 NZD
$1,112 USD
As of October 31, 2026
Save $2,447 NZD (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,955 NZD 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
Colour
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

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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 31
Current: $4,352 NZD|Low: $1,973 NZD|High: $11,764 NZD|Avg: $5,907 NZD
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$1,973 NZD
Retailer 9$2,021 NZD
Retailer 6$2,662 NZD
Retailer 4$3,367 NZD
Retailer 8$3,783 NZD
Retailer 1$4,352 NZD
Retailer 5$4,420 NZD
Taylor and Hart$5,955 NZD
Retailer 2$8,702 NZD
Retailer 10$10,737 NZD
Retailer 7$11,764 NZD

3 data points across 11 retailers

5 retailers$1,973 NZD to $4,420 NZD

A
Cheapest Retailer
-
$1,973 NZD
$1,112 USD
B
Retailer 2
-
$3,367 NZD
£1,494 GBP
View
B
Retailer 3
-
$4,352 NZD
$2,453 USD
View
B
Retailer 4
-
$4,420 NZD
$2,491 USD
View
Most Expensive
Taylor and Hart
0Q87JRO · Oct 21
$5,955 NZD
$3,357 USD
View
Price last confirmed 10 days ago
4 more retailers have this diamond
Prices start from $1,973 NZDSave up to $2,447 NZD

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
$1,973 NZD