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Marquise|Lab Grown|IGI

1.15ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • IGI LG811671909

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811671909

Diamond specifications and retailer prices

From $619 AUD
$435 USD
As of October 30, 2026
Save $997 AUD (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,808 AUD at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 1.15ct lab-grown marquise diamond

This 1.15ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811671909 or 811671909. Listed at 7 retailers as of October 29, 2026, with a 161% 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

1.15
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811671909
Dimensions10.64 × 5.60 × 3.36 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.64 mm5.60 mm1.15 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811671909
Side View
Table 60.0%Crown 32.9°Girdle: THN-MEDPavilion 39.9°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,808 AUD|Low: $537 AUD|High: $1,893 AUD|Avg: $975 AUD|-4.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9$555 AUD
Retailer 2$619 AUD
Retailer 8$629 AUD
Retailer 7$720 AUD
Retailer 11$850 AUD
Retailer 3$878 AUD
Retailer 10$939 AUD
Retailer 6$1,069 AUD
Retailer 4$1,237 AUD
Retailer 5$1,616 AUD
Brilliant Earth$1,808 AUD

11 data points across 11 retailers

7 retailers$619 AUD to $1,616 AUD

A
Cheapest Retailer
-
$619 AUD
$435 USD
A
Retailer 2
-
$720 AUD
View
Retailer 3
-
$939 AUD
$660 USD
View
Price last confirmed 71 days ago
B+
Retailer 4
-
$1,069 AUD
View
B
Retailer 5
-
$1,237 AUD
$869 USD
View
B
Retailer 6
-
$1,616 AUD
£894 GBP
View
Most Expensive
Brilliant Earth
21737705A · Oct 17
$1,808 AUD
$1,270 USD
View
Price last confirmed 12 days ago
6 more retailers have this diamond
Prices start from $619 AUDSave up to $997 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
1.15ct Marquise
$619 AUD