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Round|Lab Grown|IGI

5.03ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG816643416

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816643416

Diamond specifications and retailer prices

From $654 USD
As of October 29, 2026
Save $2,557 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,211 USD 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 LG816643416 or 816643416. Listed at 17 retailers as of October 29, 2026, with prices from $654 to $3,211, a $2,557 spread on the same certified stone. MOH London lists it at $3,211. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816643416
Dimensions11.15 × 11.11 × 6.64 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.15 mm11.11 mm5.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816643416
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.7%

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 29
Current: $3,211 USD|Low: $627 USD|High: $3,232 USD|Avg: $1,292 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
Retailer 12
November 1, 2026
Retailer 10$654 USD
Retailer 4$711 USD
Retailer 11$758 USD
Retailer 8$935 USD
Retailer 2$1,006 USD
Retailer 3$1,142 USD
Retailer 6$1,171 USD
Retailer 5$1,208 USD
Retailer 12$1,237 USD
Retailer 7$1,624 USD
Retailer 9$1,937 USD
MOH London$3,211 USD

39 data points across 12 retailers

17 retailers$654 USD to $3,211 USD

A
Cheapest Retailer
-
$654 USD
A
Retailer 2
-
$711 USD
View
A
Retailer 3
-
$731 USD
View
Final sale: no returns
A
Retailer 4
-
$758 USD
View
Retailer 5
-
$758 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$935 USD
View
A
Retailer 7
-
$1,006 USD
£792 GBP
View
A
Retailer 8
-
$1,142 USD
View
B+
Retailer 9
-
$1,171 USD
€1,115 EUR
View
B+
Retailer 10
-
$1,208 USD
£951 GBP
View
B+
Retailer 11
-
$1,237 USD
View
B+
Retailer 12
-
$1,624 USD
A$2,498 AUD
View
B+
Retailer 13
-
$1,627 USD
View
B+
Retailer 14
-
$1,937 USD
View
B
Retailer 15
-
$2,132 USD
View
B
Retailer 16
-
$2,616 USD
View
Most Expensive
B
MOH London
LG816643416 · Oct 29
$3,211 USD
£2,528 GBP
View
16 more retailers have this diamond
Prices start from $654 USDSave up to $2,557 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
5.03ct Round
$654 USD