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Marquise|Lab Grown|IGI

1.69ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG793601791

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG793601791

Diamond specifications and retailer prices

From $609 AUD
$428 USD
As of October 30, 2026
Save $4,159 AUD (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,768 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.69ct lab-grown marquise diamond

This 1.69ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG793601791 or 793601791. Listed at 27 retailers as of October 28, 2026, with prices from $609 to $4,768, a $4,159 spread on the same certified stone. Brilliant Earth lists it at $4,768. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.69
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793601791
Dimensions12.98 × 6.08 × 3.66 mm
L/W Ratio2.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.98 mm6.08 mm1.69 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793601791
Side View
Table 60.0%Crown 36.6°Girdle: MED-STKPavilion 38°Culet: NoneDepth 60.2%

Caratlytics Score

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A+
Exceptional
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: $780 AUD|Low: $609 AUD|High: $3,093 AUD|Avg: $1,571 AUD|-4.3%
Retailer 1
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Retailer 5
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Retailer 22
Retailer 23
October 30, 2026
Retailer 10$609 AUD
Retailer 3$682 AUD
Retailer 20$706 AUD
Retailer 7$756 AUD
Retailer 23$756 AUD
Retailer 1$780 AUD
Retailer 21$961 AUD
Retailer 14$1,013 AUD
Retailer 11$1,107 AUD
Retailer 18$1,205 AUD
Retailer 12$1,246 AUD
Retailer 19$1,298 AUD
Retailer 16$1,386 AUD
Retailer 17$1,760 AUD
Retailer 5$1,832 AUD
Retailer 8$1,838 AUD
Retailer 15$2,278 AUD
Retailer 6$2,428 AUD
Retailer 9$2,451 AUD
Retailer 13$2,475 AUD
Retailer 22$2,639 AUD
Retailer 4$2,735 AUD
Retailer 2$2,778 AUD

22 data points across 23 retailers

27 retailers$609 AUD to $4,768 AUD

A+
Cheapest Retailer
-
$609 AUD
$428 USD
A
Retailer 2
-
$682 AUD
$479 USD
View
A
Retailer 3
-
$706 AUD
$496 USD
View
Final sale: no returns
A
Retailer 4
-
$756 AUD
$531 USD
View
A
Retailer 5
-
$756 AUD
$531 USD
View
A
Retailer 6
-
$780 AUD
£432 GBP
View
A
Retailer 7
-
$961 AUD
$675 USD
View
A
Retailer 8
-
$1,013 AUD
$712 USD
View
A
Retailer 9
-
$1,107 AUD
$778 USD
View
A
Retailer 10
-
$1,205 AUD
€806 EUR
View
A
Retailer 11
-
$1,246 AUD
£689 GBP
View
A
Retailer 12
-
$1,298 AUD
ZAR 14,735 ZAR
View
A
Retailer 13
-
$1,386 AUD
View
A
Retailer 14
-
$1,760 AUD
View
A
Retailer 15
-
$1,832 AUD
$1,287 USD
View
A
Retailer 16
-
$1,838 AUD
$1,291 USD
View
Retailer 17
-
$2,278 AUD
£1,260 GBP
View
Price last confirmed 10 days ago
A
Retailer 18
-
$2,428 AUD
$1,706 USD
View
A
Retailer 19
-
$2,451 AUD
$1,722 USD
View
A
Retailer 20
-
$2,475 AUD
$1,739 USD
View
A
Retailer 21
-
$2,639 AUD
$1,854 USD
View
B+
Retailer 22
-
$2,735 AUD
$1,921 USD
View
B+
Retailer 23
-
$2,778 AUD
£1,537 GBP
View
B+
Retailer 24
-
$2,827 AUD
$1,986 USD
View
Retailer 25
-
$3,711 AUD
$2,607 USD
View
Price last confirmed 95 days ago
Retailer 26
-
$3,766 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
18981477A · Oct 28
$4,768 AUD
$3,350 USD
View
26 more retailers have this diamond
Prices start from $609 AUDSave up to $4,159 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+
1.69ct Marquise
$609 AUD