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Marquise|Lab Grown|IGI

1.74ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG823695115

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823695115

Diamond specifications and retailer prices

From $1,308 AUD
$919 USD
As of October 30, 2026
Save $4,386 AUD (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,694 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.74ct lab-grown marquise diamond

This 1.74ct 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 LG823695115 or 823695115. Listed at 23 retailers as of October 30, 2026, with prices from $1,308 to $5,694, a $4,386 spread on the same certified stone. Brilliant Earth lists it at $5,694. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.74
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823695115
Dimensions12.09 × 6.34 × 3.99 mm
L/W Ratio1.91
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
12.09 mm6.34 mm1.74 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823695115
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.9%

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: $5,694 AUD|Low: $1,308 AUD|High: $7,218 AUD|Avg: $3,434 AUD|-21.1%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 6$1,308 AUD
Retailer 22$1,424 AUD
Retailer 8$1,465 AUD
Retailer 20$1,518 AUD
Retailer 2$1,675 AUD
Retailer 18$1,765 AUD
Retailer 7$1,768 AUD
Retailer 5$1,829 AUD
Retailer 3$2,167 AUD
Retailer 13$2,332 AUD
Retailer 19$2,413 AUD
Retailer 10$2,432 AUD
Retailer 17$2,789 AUD
Retailer 12$3,375 AUD
Retailer 4$4,187 AUD
Retailer 21$4,267 AUD
Retailer 9$4,506 AUD
Retailer 11$4,965 AUD
Retailer 14$5,091 AUD
Retailer 16$5,174 AUD
Retailer 15$5,276 AUD
Brilliant Earth$5,694 AUD

27 data points across 22 retailers

23 retailers$1,308 AUD to $5,694 AUD

A
Cheapest Retailer
-
$1,308 AUD
$919 USD
A
Retailer 2
-
$1,424 AUD
$1,000 USD
View
A
Retailer 3
-
$1,465 AUD
$1,029 USD
View
Final sale: no returns
A
Retailer 4
-
$1,518 AUD
$1,066 USD
View
A
Retailer 5
-
$1,675 AUD
£927 GBP
View
A
Retailer 6
-
$1,765 AUD
$1,240 USD
View
A
Retailer 7
-
$1,768 AUD
HK$9,700 HKD
View
A
Retailer 8
-
$1,829 AUD
$1,285 USD
View
Retailer 9
-
$1,878 AUD
$1,319 USD
View
Price last confirmed 13 days ago
A
Retailer 10
-
$2,167 AUD
$1,522 USD
View
A
Retailer 11
-
$2,332 AUD
£1,290 GBP
View
A
Retailer 12
-
$2,413 AUD
€1,614 EUR
View
A
Retailer 13
-
$2,432 AUD
$1,708 USD
View
B+
Retailer 14
-
$2,789 AUD
ZAR 31,655 ZAR
View
B+
Retailer 15
-
$3,375 AUD
$2,371 USD
View
B+
Retailer 16
-
$4,187 AUD
£2,316 GBP
View
B
Retailer 17
-
$4,267 AUD
$2,997 USD
View
B+
Retailer 18
-
$4,506 AUD
$3,165 USD
View
B
Retailer 19
-
$4,965 AUD
$3,488 USD
View
B
Retailer 20
-
$5,091 AUD
SGD 4,833 SGD
View
B
Retailer 21
-
$5,174 AUD
£2,862 GBP
View
B
Retailer 22
-
$5,276 AUD
$3,706 USD
View
Most Expensive
B
Brilliant Earth
21546787A · Oct 30
$5,694 AUD
$4,000 USD
View
22 more retailers have this diamond
Prices start from $1,308 AUDSave up to $4,386 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
1.74ct Marquise
$1,308 AUD