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Marquise|Lab Grown|IGI

3.03ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG837665017

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837665017

Diamond specifications and retailer prices

From $730 AUD
$513 USD
As of October 23, 2026
Save $4,636 AUD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,366 AUD at Brilliant Earth · As of October 27, 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG837665017 or 837665017. Listed at 25 retailers as of October 23, 2026, with prices from $730 to $5,366, a $4,636 spread on the same certified stone. Brilliant Earth lists it at $5,366. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837665017
Dimensions15.47 × 7.52 × 4.58 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.47 mm7.52 mm3.03 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837665017
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.9%

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: Oct 23
Current: $5,366 AUD|Low: $730 AUD|High: $5,921 AUD|Avg: $2,214 AUD|-9.4%
Brilliant Earth
Retailer 2
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October 27, 2026
Retailer 9$730 AUD
Retailer 14$817 AUD
Retailer 23$817 AUD
Retailer 6$905 AUD
Retailer 12$905 AUD
Retailer 22$984 AUD
Retailer 20$1,034 AUD
Retailer 24$1,103 AUD
Retailer 5$1,213 AUD
Retailer 11$1,307 AUD
Retailer 21$1,381 AUD
Retailer 2$1,513 AUD
Retailer 8$1,845 AUD
Retailer 25$1,926 AUD
Retailer 13$1,947 AUD
Retailer 26$2,119 AUD
Retailer 10$2,380 AUD
Retailer 15$2,646 AUD
Retailer 17$2,864 AUD
Retailer 18$2,945 AUD
Retailer 16$3,120 AUD
Retailer 3$3,164 AUD
Retailer 19$3,328 AUD
Retailer 7$3,798 AUD
Retailer 4$3,893 AUD
Brilliant Earth$5,366 AUD

28 data points across 26 retailers

25 retailers$730 AUD to $5,366 AUD

A
Cheapest Retailer
-
$730 AUD
$513 USD
A
Retailer 2
-
$817 AUD
$574 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$905 AUD
$636 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$905 AUD
$636 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$984 AUD
HK$5,400 HKD
View
A
Retailer 6
-
$1,034 AUD
£572 GBP
View
A
Retailer 7
-
$1,103 AUD
$775 USD
View
Price last confirmed 5 days ago
B+
Retailer 8
-
$1,213 AUD
$852 USD
View
A
Retailer 9
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$1,307 AUD
$918 USD
View
A
Retailer 10
-
$1,381 AUD
£764 GBP
View
A
Retailer 11
-
$1,513 AUD
€1,012 EUR
View
B+
Retailer 12
-
$1,845 AUD
$1,296 USD
View
B+
Retailer 13
-
$1,926 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$1,947 AUD
ZAR 22,103 ZAR
View
B+
Retailer 15
-
$2,119 AUD
$1,489 USD
View
B+
Retailer 16
-
$2,380 AUD
$1,672 USD
View
Price last confirmed 7 days ago
B+
Retailer 17
-
$2,646 AUD
£1,464 GBP
View
B+
Retailer 18
-
$2,864 AUD
SGD 2,719 SGD
View
B
Retailer 19
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$2,945 AUD
$2,069 USD
View
B
Retailer 20
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$3,120 AUD
$2,192 USD
View
B
Retailer 21
-
$3,164 AUD
$2,223 USD
View
B
Retailer 22
-
$3,328 AUD
View
Price last confirmed 27 days ago
B
Retailer 23
-
$3,798 AUD
£2,101 GBP
View
Price last confirmed 8 days ago
B
Retailer 24
-
$3,893 AUD
$2,735 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21658387A · Oct 27
$5,366 AUD
$3,770 USD
View
24 more retailers have this diamond
Prices start from $730 AUDSave up to $4,636 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
$730 AUD