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5.03ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG838610557

Shape and cutting style on the report: Oval polygon step cut

Certificate IGI LG838610557

Diamond specifications and retailer prices

From $2,217 NZD
$1,245 USD
As of October 28, 2026
Save $3,746 NZD (63%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,963 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 5.03ct lab-grown round diamond

This 5.03ct lab-grown round 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 LG838610557 or 838610557. Listed at 3 retailers as of October 28, 2026, with prices from $2,217 to $5,963, a $3,746 spread on the same certified stone. MOH London lists it at $5,963. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.6°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838610557
Dimensions12.99 × 8.76 × 5.24 mm
L/W Ratio1.48
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.99 mm8.76 mm5.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG838610557
Side View
Table 59.0%Crown 45.6°Girdle: Slightly ThickPavilion 37.5°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $5,963 NZD|Low: $2,217 NZD|High: $6,666 NZD|Avg: $4,432 NZD|-9.9%
MOH London
Retailer 2
Retailer 3
October 29, 2026
Retailer 2$2,217 NZD
Retailer 3$4,904 NZD
MOH London$5,963 NZD

12 data points across 3 retailers

3 retailers$2,217 NZD to $5,963 NZD

B+
Cheapest Retailer
-
$2,217 NZD
$1,245 USD
B
Retailer 2
-
$4,904 NZD
$2,754 USD
View
Most Expensive
B
MOH London
LG838610557 · Oct 29
$5,963 NZD
£2,637 GBP
View
2 more retailers have this diamond
Prices start from $2,217 NZDSave up to $3,746 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.

B+
5.03ct Round
$2,217 NZD