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5.05ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG843610419

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843610419

Diamond specifications and retailer prices

From $1,191 NZD
$671 USD
As of October 29, 2026
Save $5,640 NZD (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,831 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.05ct lab-grown round diamond

This 5.05ct 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 LG843610419 or 843610419. Listed at 3 retailers as of October 29, 2026, with prices from $1,191 to $6,831, a $5,640 spread on the same certified stone. Brilliant Earth lists it at $6,831. 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

5.05
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843610419
Dimensions10.99 × 10.89 × 6.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.99 mm10.89 mm5.05 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843610419
Side View
Table 55.0%Crown 36.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: $6,831 NZD|Low: $1,191 NZD|High: $6,831 NZD|Avg: $3,822 NZD
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$1,191 NZD
Retailer 2$2,135 NZD
Brilliant Earth$6,831 NZD

19 data points across 3 retailers

3 retailers$1,191 NZD to $6,831 NZD

A
Cheapest Retailer
-
$1,191 NZD
$671 USD
Final sale: no returns
B+
Retailer 2
-
$2,135 NZD
£947 GBP
View
Most Expensive
B
Brilliant Earth
21744231A · Oct 29
$6,831 NZD
$3,850 USD
View
2 more retailers have this diamond
Prices start from $1,191 NZDSave up to $5,640 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
5.05ct Round
$1,191 NZD