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Marquise|Lab Grown|IGI

1.70ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG784645899

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645899

Diamond specifications and retailer prices

From $1,019 AUD
$716 USD
As of October 27, 2026
Save $8,035 AUD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,054 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown marquise diamond

This 1.7ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645899 or 784645899. Listed at 15 retailers as of October 27, 2026, with prices from $1,019 to $9,054, a $8,035 spread on the same certified stone. Do Amore Diamonds lists it at $9,054. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645899
Dimensions11.74 × 6.15 × 3.95 mm
L/W Ratio1.91
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
11.74 mm6.15 mm1.70 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645899
Side View
Table 61.0%Crown 37.6°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 64.2%

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 27
Current: $9,054 AUD|Low: $1,019 AUD|High: $11,916 AUD|Avg: $3,252 AUD|-24.0%
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
October 29, 2026
Retailer 10$1,019 AUD
Retailer 15$1,109 AUD
Retailer 12$1,405 AUD
Retailer 9$1,444 AUD
Retailer 4$1,473 AUD
Retailer 7$1,518 AUD
Retailer 5$1,577 AUD
Retailer 11$1,919 AUD
Retailer 2$2,199 AUD
Retailer 13$2,911 AUD
Retailer 14$3,669 AUD
Retailer 3$3,758 AUD
Retailer 8$4,918 AUD
Retailer 6$6,933 AUD
Do Amore Diamonds$9,054 AUD

35 data points across 15 retailers

15 retailers$1,019 AUD to $9,054 AUD

A
Cheapest Retailer
-
$1,019 AUD
$716 USD
A
Retailer 2
-
$1,109 AUD
$779 USD
View
A
Retailer 3
-
$1,405 AUD
$987 USD
View
A
Retailer 4
-
$1,444 AUD
£799 GBP
View
A
Retailer 5
-
$1,473 AUD
$1,035 USD
View
A
Retailer 6
-
$1,518 AUD
$1,066 USD
View
Final sale: no returns
A
Retailer 7
-
$1,577 AUD
$1,108 USD
View
A
Retailer 8
-
$1,919 AUD
$1,348 USD
View
A
Retailer 9
-
$2,199 AUD
€1,471 EUR
View
B+
Retailer 10
-
$2,911 AUD
$2,045 USD
View
B+
Retailer 11
-
$3,669 AUD
$2,577 USD
View
B+
Retailer 12
-
$3,758 AUD
$2,640 USD
View
B
Retailer 13
-
$4,918 AUD
£2,720 GBP
View
B
Retailer 14
-
$6,933 AUD
$4,870 USD
View
Most Expensive
B
Do Amore Diamonds
27-3887A5746 · Oct 30
$9,054 AUD
$6,360 USD
View
14 more retailers have this diamond
Prices start from $1,019 AUDSave up to $8,035 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
1.70ct Marquise
$1,019 AUD