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Oval|Lab Grown|IGI

3.06ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG757529305

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG757529305

Diamond specifications and retailer prices

From $660 NZD
As of November 6, 2026
Save $3,759 NZD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,420 NZD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.06ct lab-grown oval diamond

This 3.06ct 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 LG757529305 or 757529305. Listed at 17 retailers as of November 6, 2026, with prices from $660 to $4,420, a $3,759 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

3.06
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757529305
Dimensions11.74 × 8.14 × 5.07 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm8.14 mm3.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757529305
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.3%

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: $640 NZD|High: $4,420 NZD|Avg: $1,831 NZD
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
Retailer 16
November 6, 2026
Retailer 6$660 NZD
Retailer 14$765 NZD
Retailer 4$817 NZD
Retailer 7$817 NZD
Retailer 12$1,091 NZD
Retailer 8$1,097 NZD
Retailer 2$1,304 NZD
Retailer 9$1,456 NZD
Retailer 3$1,522 NZD
Retailer 16$1,813 NZD
Retailer 13$2,037 NZD
Retailer 11$2,399 NZD
Retailer 5$2,630 NZD
Retailer 10$3,186 NZD
Retailer 15$3,427 NZD
Brilliant Earth$4,420 NZD

46 data points across 16 retailers

17 retailers$660 NZD to $4,420 NZD

A
Cheapest Retailer
-
$660 NZD
A
Retailer 2
-
$765 NZD
View
A
Retailer 3
-
$817 NZD
View
Retailer 4
-
$817 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$1,091 NZD
View
B+
Retailer 6
-
$1,097 NZD
View
A
Retailer 7
-
$1,304 NZD
View
A
Retailer 8
-
$1,456 NZD
View
A
Retailer 9
-
$1,522 NZD
View
A
Retailer 10
-
$1,813 NZD
View
B+
Retailer 11
-
$2,037 NZD
View
B+
Retailer 12
-
$2,051 NZD
View
B+
Retailer 13
-
$2,399 NZD
View
B+
Retailer 14
-
$2,630 NZD
View
B+
Retailer 15
-
$3,186 NZD
View
B
Retailer 16
-
$3,427 NZD
View
Most Expensive
B
Brilliant Earth
17384865A · Nov 6
$4,420 NZD
$2,450 USD
View
16 more retailers have this diamond
Prices start from $660 NZDSave up to $3,759 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
3.06ct Oval
$660 NZD