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Marquise|Lab Grown|IGI

1.17ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780665641

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780665641

Diamond specifications and retailer prices

From $394 AUD
$277 USD
As of October 30, 2026
Save $3,108 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,502 AUD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.17ct lab-grown marquise diamond

This 1.17ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665641 or 780665641. Listed at 17 retailers as of October 30, 2026, with prices from $394 to $3,502, a $3,108 spread on the same certified stone. Do Amore Diamonds lists it at $3,502. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665641
Dimensions10.74 × 5.57 × 3.49 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
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
10.74 mm5.57 mm1.17 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665641
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: $3,502 AUD|Low: $394 AUD|High: $3,829 AUD|Avg: $1,526 AUD|-7.5%
Do Amore Diamonds
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
November 1, 2026
Retailer 13$394 AUD
Retailer 5$458 AUD
Retailer 9$557 AUD
Retailer 14$715 AUD
Retailer 6$804 AUD
Retailer 16$809 AUD
Retailer 8$836 AUD
Retailer 12$925 AUD
Retailer 10$1,081 AUD
Retailer 15$1,505 AUD
Retailer 4$1,550 AUD
Retailer 3$1,738 AUD
Retailer 2$2,166 AUD
Retailer 11$2,691 AUD
Retailer 7$3,281 AUD
Do Amore Diamonds$3,502 AUD

39 data points across 16 retailers

17 retailers$394 AUD to $3,502 AUD

A
Cheapest Retailer
-
$394 AUD
$277 USD
A
Retailer 2
-
$458 AUD
$322 USD
View
A
Retailer 3
-
$501 AUD
$352 USD
View
Final sale: no returns
A
Retailer 4
-
$557 AUD
£308 GBP
View
A
Retailer 5
-
$715 AUD
$502 USD
View
A
Retailer 6
-
$804 AUD
$565 USD
View
A
Retailer 7
-
$809 AUD
$568 USD
View
A
Retailer 8
-
$836 AUD
$587 USD
View
A
Retailer 9
-
$925 AUD
€619 EUR
View
B+
Retailer 10
-
$1,081 AUD
View
B+
Retailer 11
-
$1,505 AUD
$1,057 USD
View
B+
Retailer 12
-
$1,550 AUD
$1,089 USD
View
B+
Retailer 13
-
$1,738 AUD
$1,221 USD
View
B+
Retailer 14
-
$2,166 AUD
£1,198 GBP
View
B
Retailer 15
-
$2,691 AUD
$1,890 USD
View
B
Retailer 16
-
$3,281 AUD
$2,305 USD
View
Most Expensive
B
Do Amore Diamonds
27-7E40AE39D · Nov 1
$3,502 AUD
$2,460 USD
View
16 more retailers have this diamond
Prices start from $394 AUDSave up to $3,108 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
1.17ct Marquise
$394 AUD