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Oval|Lab Grown|IGI

3.05ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG836697181

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836697181

Diamond specifications and retailer prices

From $700 NZD
As of November 6, 2026
Save $3,720 NZD (84%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,420 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.05ct lab-grown oval diamond

This 3.05ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG836697181 or 836697181. Listed at 4 retailers as of November 3, 2026, with prices from $700 to $4,420, a $3,720 spread on the same certified stone. Brilliant Earth lists it at $4,420. 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

3.05
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836697181
Dimensions11.97 × 8.19 × 4.94 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.97 mm8.19 mm3.05 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836697181
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $4,420 NZD|Low: $700 NZD|High: $4,546 NZD|Avg: $2,868 NZD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$700 NZD
Retailer 2$1,440 NZD
Retailer 4$3,409 NZD
Brilliant Earth$4,420 NZD

40 data points across 4 retailers

4 retailers$700 NZD to $4,420 NZD

A
Cheapest Retailer
-
$700 NZD
Final sale: no returns
A
Retailer 2
-
$1,440 NZD
View
Retailer 3
-
$3,409 NZD
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
21437995A · Nov 3
$4,420 NZD
$2,450 USD
View
3 more retailers have this diamond
Prices start from $700 NZDSave up to $3,720 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
3.05ct Oval
$700 NZD