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Oval|Lab Grown|IGI

5.03ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG742507900

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG742507900

Diamond specifications and retailer prices

From $1,059 NZD
$597 USD
As of October 29, 2026
Save $4,678 NZD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,726 NZD at Rare Carat
View at Rare Carat

About this 5.03ct lab-grown oval diamond

This 5.03ct 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 LG742507900 or 742507900. Listed at 18 retailers as of October 29, 2026, with a 442% 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

5.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742507900
Dimensions13.99 × 9.50 × 5.96 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.99 mm9.50 mm5.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742507900
Side View
Table 60.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

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: $2,056 NZD|Low: $1,059 NZD|High: $5,850 NZD|Avg: $2,565 NZD|-5.9%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 16$1,059 NZD
Retailer 4$1,185 NZD
Retailer 14$1,187 NZD
Retailer 12$1,315 NZD
Retailer 9$1,377 NZD
Retailer 10$1,379 NZD
Retailer 15$1,544 NZD
Retailer 17$1,845 NZD
Retailer 3$1,938 NZD
Retailer 1$2,056 NZD
Retailer 8$2,916 NZD
Retailer 6$3,261 NZD
Retailer 13$3,456 NZD
Retailer 2$3,566 NZD
Retailer 5$4,165 NZD
Retailer 7$4,252 NZD
Retailer 11$5,737 NZD

33 data points across 17 retailers

18 retailers$1,059 NZD to $5,737 NZD

A
Cheapest Retailer
-
$1,059 NZD
$597 USD
A
Retailer 2
-
$1,185 NZD
$668 USD
View
Final sale: no returns
A
Retailer 3
-
$1,187 NZD
$669 USD
View
A
Retailer 4
-
$1,315 NZD
$741 USD
View
Retailer 5
-
$1,377 NZD
$776 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,379 NZD
£612 GBP
View
A
Retailer 7
-
$1,544 NZD
$870 USD
View
B+
Retailer 8
-
$1,845 NZD
$1,040 USD
View
A
Retailer 9
-
$1,938 NZD
$1,092 USD
View
A
Retailer 10
-
$2,056 NZD
£913 GBP
View
B+
Retailer 11
-
$2,916 NZD
A$2,528 AUD
View
B+
Retailer 12
-
$3,261 NZD
$1,838 USD
View
B+
Retailer 13
-
$3,456 NZD
$1,948 USD
View
B+
Retailer 14
-
$3,566 NZD
$2,010 USD
View
B+
Retailer 15
-
$4,165 NZD
$2,347 USD
View
B+
Retailer 16
-
$4,252 NZD
$2,396 USD
View
B
Retailer 17
-
$5,737 NZD
£2,546 GBP
View
Most Expensive
Rare Carat
FD7708
$8,726 NZD
$4,918 USD
View
17 more retailers have this diamond
Prices start from $1,059 NZDSave up to $4,678 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
5.03ct Oval
$1,059 NZD