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Oval|Lab Grown|IGI

3.03ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG678584155

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584155

Diamond specifications and retailer prices

From $777 NZD
As of November 6, 2026
Save $4,670 NZD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,448 NZD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.03ct lab-grown oval diamond

This 3.03ct 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 LG678584155 or 678584155. Listed at 16 retailers as of November 6, 2026, with prices from $777 to $5,448, a $4,670 spread on the same certified stone. Brilliant Earth lists it at $5,448. 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

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584155
Dimensions11.42 × 8.31 × 5.04 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm8.31 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584155
Side View
Table 61.0%Crown 34.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 60.6%

Caratlytics Score

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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: Nov 6
Current: $5,448 NZD|Low: $777 NZD|High: $5,917 NZD|Avg: $2,091 NZD|-7.9%
Brilliant Earth
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
November 6, 2026
Retailer 6$777 NZD
Retailer 5$871 NZD
Retailer 11$900 NZD
Retailer 12$965 NZD
Retailer 3$1,227 NZD
Retailer 14$1,295 NZD
Retailer 13$1,506 NZD
Retailer 2$1,522 NZD
Retailer 8$1,575 NZD
Retailer 4$1,824 NZD
Retailer 9$2,360 NZD
Retailer 15$3,101 NZD
Retailer 7$3,400 NZD
Retailer 10$3,543 NZD
Brilliant Earth$5,448 NZD

45 data points across 15 retailers

16 retailers$777 NZD to $5,448 NZD

A
Cheapest Retailer
-
$777 NZD
A
Retailer 2
-
$871 NZD
View
A
Retailer 3
-
$900 NZD
View
Final sale: no returns
A
Retailer 4
-
$965 NZD
View
Retailer 5
-
$1,008 NZD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,227 NZD
View
B+
Retailer 7
-
$1,295 NZD
View
A
Retailer 8
-
$1,506 NZD
View
A
Retailer 9
-
$1,522 NZD
View
A
Retailer 10
-
$1,575 NZD
View
A
Retailer 11
-
$1,824 NZD
View
B+
Retailer 12
-
$2,360 NZD
View
B+
Retailer 13
-
$3,101 NZD
View
B
Retailer 14
-
$3,400 NZD
View
B
Retailer 15
-
$3,543 NZD
View
Most Expensive
B
Brilliant Earth
17470556A · Nov 6
$5,448 NZD
$3,020 USD
View
15 more retailers have this diamond
Prices start from $777 NZDSave up to $4,670 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
3.03ct Oval
$777 NZD