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Marquise|Lab Grown|IGI

3.03ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG830606028

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830606028

Diamond specifications and retailer prices

From $1,146 AUD
$805 USD
As of October 30, 2026
Save $5,602 AUD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,748 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830606028 or 830606028. Listed at 23 retailers as of October 30, 2026, with prices from $1,146 to $6,748, a $5,602 spread on the same certified stone. Brilliant Earth lists it at $6,748. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830606028
Dimensions15.03 × 7.67 × 4.59 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.03 mm7.67 mm3.03 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830606028
Side View
Table 64.0%Crown 35°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
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: Oct 30
Current: $6,748 AUD|Low: $1,146 AUD|High: $6,748 AUD|Avg: $3,381 AUD
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
Retailer 17
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Retailer 19
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Retailer 21
Retailer 22
October 30, 2026
Retailer 16$1,146 AUD
Retailer 21$1,284 AUD
Retailer 12$1,318 AUD
Retailer 22$1,330 AUD
Retailer 4$1,580 AUD
Retailer 13$1,905 AUD
Retailer 18$2,041 AUD
Retailer 3$2,241 AUD
Retailer 20$2,628 AUD
Retailer 6$3,088 AUD
Retailer 11$3,172 AUD
Retailer 10$3,232 AUD
Retailer 8$3,740 AUD
Retailer 5$4,122 AUD
Retailer 2$4,163 AUD
Retailer 17$4,450 AUD
Retailer 19$4,602 AUD
Retailer 7$4,765 AUD
Retailer 15$5,120 AUD
Retailer 9$5,276 AUD
Retailer 14$5,367 AUD
Brilliant Earth$6,748 AUD

24 data points across 22 retailers

23 retailers$1,146 AUD to $6,748 AUD

A
Cheapest Retailer
-
$1,146 AUD
$805 USD
A
Retailer 2
-
$1,284 AUD
$902 USD
View
Final sale: no returns
A
Retailer 3
-
$1,318 AUD
$926 USD
View
A
Retailer 4
-
$1,330 AUD
$934 USD
View
Retailer 5
-
$1,466 AUD
$1,030 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,580 AUD
$1,110 USD
View
A
Retailer 7
-
$1,905 AUD
$1,338 USD
View
A
Retailer 8
-
$2,041 AUD
£1,129 GBP
View
A
Retailer 9
-
$2,241 AUD
€1,499 EUR
View
B+
Retailer 10
-
$2,628 AUD
$1,846 USD
View
B+
Retailer 11
-
$3,088 AUD
ZAR 35,047 ZAR
View
Retailer 12
-
$3,172 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$3,232 AUD
$2,270 USD
View
B+
Retailer 14
-
$3,740 AUD
$2,627 USD
View
B
Retailer 15
-
$4,122 AUD
£2,280 GBP
View
B+
Retailer 16
-
$4,163 AUD
$2,924 USD
View
B+
Retailer 17
-
$4,450 AUD
$3,126 USD
View
B
Retailer 18
-
$4,602 AUD
$3,233 USD
View
B
Retailer 19
-
$4,765 AUD
$3,347 USD
View
Retailer 20
-
$5,120 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
-
$5,276 AUD
£2,918 GBP
View
B
Retailer 22
-
$5,367 AUD
$3,770 USD
View
Most Expensive
B
Brilliant Earth
21054562A · Oct 30
$6,748 AUD
$4,740 USD
View
22 more retailers have this diamond
Prices start from $1,146 AUDSave up to $5,602 AUD

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 Marquise
$1,146 AUD