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Oval|Lab Grown|IGI

3.03ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG678584112

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584112

Diamond specifications and retailer prices

From $759 NZD
As of November 6, 2026
Save $7,178 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,937 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584112 or 678584112. Listed at 16 retailers as of November 6, 2026, with prices from $759 to $7,937, a $7,178 spread on the same certified stone. Brilliant Earth lists it at $7,937. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584112
Dimensions11.60 × 8.26 × 5.19 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm8.26 mm3.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584112
Side View
Table 60.0%Crown 31°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 62.8%

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: $7,937 NZD|Low: $759 NZD|High: $7,937 NZD|Avg: $2,128 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
November 6, 2026
Retailer 7$759 NZD
Retailer 6$851 NZD
Retailer 12$878 NZD
Retailer 13$942 NZD
Retailer 4$1,209 NZD
Retailer 15$1,266 NZD
Retailer 14$1,486 NZD
Retailer 8$1,537 NZD
Retailer 2$1,575 NZD
Retailer 5$1,860 NZD
Retailer 11$2,286 NZD
Retailer 3$3,031 NZD
Retailer 10$3,355 NZD
Retailer 9$3,451 NZD
Brilliant Earth$7,937 NZD

46 data points across 15 retailers

16 retailers$759 NZD to $7,937 NZD

A
Cheapest Retailer
-
$759 NZD
A
Retailer 2
-
$851 NZD
View
A
Retailer 3
-
$878 NZD
View
Final sale: no returns
A
Retailer 4
-
$942 NZD
View
Retailer 5
-
$983 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,209 NZD
View
B+
Retailer 7
-
$1,266 NZD
View
A
Retailer 8
-
$1,486 NZD
View
A
Retailer 9
-
$1,537 NZD
View
A
Retailer 10
-
$1,575 NZD
View
A
Retailer 11
-
$1,860 NZD
View
B+
Retailer 12
-
$2,286 NZD
View
B+
Retailer 13
-
$3,031 NZD
View
B+
Retailer 14
-
$3,355 NZD
View
B+
Retailer 15
-
$3,451 NZD
View
Most Expensive
B
Brilliant Earth
17470454A · Nov 6
$7,937 NZD
$4,400 USD
View
15 more retailers have this diamond
Prices start from $759 NZDSave up to $7,178 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
$759 NZD