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Marquise|Lab Grown|IGI

1.75ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG839697708

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839697708

Diamond specifications and retailer prices

From $380 AUD
$267 USD
As of October 30, 2026
Save $1,406 AUD (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,249 AUD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.75ct lab-grown marquise diamond

This 1.75ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839697708 or 839697708. Listed at 4 retailers as of October 28, 2026, with a 370% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.75
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839697708
Dimensions12.38 × 6.44 × 3.91 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.38 mm6.44 mm1.75 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839697708
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.7%

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: $825 AUD|Low: $380 AUD|High: $1,786 AUD|Avg: $1,150 AUD|-5.0%
Retailer 1
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$380 AUD
Retailer 1$825 AUD
Retailer 2$1,786 AUD

15 data points across 3 retailers

4 retailers$380 AUD to $1,786 AUD

A
Cheapest Retailer
-
$380 AUD
$267 USD
Final sale: no returns
A
Retailer 2
-
$825 AUD
£456 GBP
View
B
Retailer 3
-
$1,786 AUD
$1,255 USD
View
Most Expensive
Brilliant Earth
21725009A · Oct 21
$2,249 AUD
$1,580 USD
View
Price last confirmed 8 days ago
3 more retailers have this diamond
Prices start from $380 AUDSave up to $1,406 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
1.75ct Marquise
$380 AUD