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Oval|Lab Grown|IGI

3.03ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG678584091

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584091

Diamond specifications and retailer prices

From $770 NZD
As of November 6, 2026
Save $7,167 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 LG678584091 or 678584091. Listed at 16 retailers as of November 6, 2026, with prices from $770 to $7,937, a $7,167 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 angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584091
Dimensions11.72 × 8.04 × 4.97 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm8.04 mm3.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584091
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

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: $770 NZD|High: $8,190 NZD|Avg: $2,600 NZD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$770 NZD
Retailer 4$1,162 NZD
Retailer 2$1,396 NZD
Retailer 11$1,503 NZD
Retailer 8$1,506 NZD
Retailer 5$1,557 NZD
Retailer 3$1,863 NZD
Retailer 9$2,677 NZD
Retailer 7$3,319 NZD
Retailer 6$3,496 NZD
Brilliant Earth$7,937 NZD

40 data points across 11 retailers

16 retailers$770 NZD to $7,937 NZD

Retailer 1
-
$770 NZD
Price last confirmed 39 days ago
A
Retailer 2
-
$770 NZD
View
Retailer 3
-
$770 NZD
View
Price last confirmed 17 days ago
Retailer 4
-
$862 NZD
View
Price last confirmed 42 days ago
Retailer 5
-
$942 NZD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$1,162 NZD
View
A
Retailer 7
-
$1,396 NZD
View
B+
Retailer 8
-
$1,503 NZD
View
A
Retailer 9
-
$1,506 NZD
View
A
Retailer 10
-
$1,557 NZD
View
A
Retailer 11
-
$1,863 NZD
View
B+
Retailer 12
-
$2,677 NZD
View
Retailer 13
-
$3,067 NZD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$3,319 NZD
View
B+
Retailer 15
-
$3,496 NZD
View
Most Expensive
B
Brilliant Earth
21567551A · Nov 6
$7,937 NZD
$4,400 USD
View
15 more retailers have this diamond
Prices start from $770 NZDSave up to $7,167 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
$770 NZD