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Marquise|Lab Grown|IGI

1.79ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG823635229

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823635229

Diamond specifications and retailer prices

From $888 AUD
$624 USD
As of October 30, 2026
Save $4,920 AUD (85%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,808 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.79ct lab-grown marquise diamond

This 1.79ct 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 LG823635229 or 823635229. Listed at 26 retailers as of October 30, 2026, with prices from $888 to $5,808, a $4,920 spread on the same certified stone. Brilliant Earth lists it at $5,808. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.79
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823635229
Dimensions13.08 × 6.26 × 3.92 mm
L/W Ratio2.09
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
13.08 mm6.26 mm1.79 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823635229
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

Caratlytics Score

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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: $5,808 AUD|Low: $853 AUD|High: $6,719 AUD|Avg: $2,575 AUD|-13.6%
Brilliant Earth
Retailer 2
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Retailer 24
October 31, 2026
Retailer 6$888 AUD
Retailer 15$992 AUD
Retailer 17$994 AUD
Retailer 9$1,100 AUD
Retailer 13$1,137 AUD
Retailer 21$1,203 AUD
Retailer 20$1,281 AUD
Retailer 4$1,502 AUD
Retailer 22$1,673 AUD
Retailer 18$1,725 AUD
Retailer 19$1,892 AUD
Retailer 10$2,123 AUD
Retailer 2$2,564 AUD
Retailer 24$2,732 AUD
Retailer 11$2,896 AUD
Retailer 16$3,211 AUD
Retailer 3$3,318 AUD
Retailer 8$3,477 AUD
Retailer 12$3,624 AUD
Retailer 7$3,650 AUD
Retailer 5$4,326 AUD
Retailer 23$4,345 AUD
Retailer 14$4,448 AUD
Brilliant Earth$5,808 AUD

33 data points across 24 retailers

26 retailers$888 AUD to $5,808 AUD

A
Cheapest Retailer
-
$888 AUD
$624 USD
A
Retailer 2
-
$992 AUD
$697 USD
View
Final sale: no returns
A
Retailer 3
-
$994 AUD
$698 USD
View
A
Retailer 4
-
$1,100 AUD
$773 USD
View
Retailer 5
-
$1,100 AUD
$773 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,137 AUD
£629 GBP
View
A
Retailer 7
-
$1,203 AUD
HK$6,600 HKD
View
A
Retailer 8
-
$1,281 AUD
$900 USD
View
A
Retailer 9
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$1,502 AUD
$1,055 USD
View
A
Retailer 10
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$1,673 AUD
€1,119 EUR
View
A
Retailer 11
-
$1,725 AUD
£954 GBP
View
A
Retailer 12
-
$1,892 AUD
ZAR 21,470 ZAR
View
A
Retailer 13
-
$2,123 AUD
$1,491 USD
View
A
Retailer 14
-
$2,564 AUD
View
B+
Retailer 15
-
$2,732 AUD
$1,919 USD
View
B+
Retailer 16
-
$2,896 AUD
$2,034 USD
View
B+
Retailer 17
-
$3,211 AUD
£1,776 GBP
View
B+
Retailer 18
-
$3,318 AUD
$2,331 USD
View
B+
Retailer 19
-
$3,477 AUD
SGD 3,301 SGD
View
B+
Retailer 20
-
$3,556 AUD
$2,498 USD
View
B+
Retailer 21
-
$3,624 AUD
$2,545 USD
View
B+
Retailer 22
-
$3,650 AUD
$2,564 USD
View
Retailer 23
-
$4,326 AUD
View
Price last confirmed 22 days ago
B+
Retailer 24
-
$4,345 AUD
£2,403 GBP
View
B
Retailer 25
-
$4,448 AUD
£2,460 GBP
View
Most Expensive
B
Brilliant Earth
21694417A · Oct 30
$5,808 AUD
$4,080 USD
View
25 more retailers have this diamond
Prices start from $888 AUDSave up to $4,920 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
1.79ct Marquise
$888 AUD