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Marquise|Lab Grown|IGI

1.81ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG799671726

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799671726

Diamond specifications and retailer prices

From $2,054 AUD
$1,443 USD
As of October 30, 2026
Save $4,644 AUD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,698 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.81ct lab-grown marquise diamond

This 1.81ct 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 LG799671726 or 799671726. Listed at 12 retailers as of October 30, 2026, with prices from $2,054 to $6,698, a $4,644 spread on the same certified stone. With Clarity lists it at $6,698. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799671726
Dimensions12.61 × 6.41 × 3.97 mm
L/W Ratio1.97
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
12.61 mm6.41 mm1.81 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799671726
Side View
Table 61.0%Crown 33.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

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: $5,239 AUD|Low: $2,054 AUD|High: $7,730 AUD|Avg: $4,104 AUD|-32.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 30, 2026
Retailer 8$2,054 AUD
Retailer 2$2,150 AUD
Retailer 10$2,375 AUD
Retailer 4$2,542 AUD
Retailer 11$2,648 AUD
Retailer 5$2,824 AUD
Retailer 6$3,006 AUD
Retailer 9$4,535 AUD
Retailer 1$5,239 AUD
Retailer 7$5,984 AUD
Retailer 3$6,130 AUD
With Clarity$6,698 AUD

42 data points across 12 retailers

12 retailers$2,054 AUD to $6,698 AUD

A
Cheapest Retailer
-
$2,054 AUD
$1,443 USD
A
Retailer 2
-
$2,150 AUD
HK$11,800 HKD
View
A
Retailer 3
-
$2,375 AUD
$1,668 USD
View
A
Retailer 4
-
$2,542 AUD
£1,406 GBP
View
A
Retailer 5
-
$2,648 AUD
$1,860 USD
View
A
Retailer 6
-
$2,824 AUD
€1,889 EUR
View
B+
Retailer 7
-
$3,006 AUD
View
B
Retailer 8
-
$4,535 AUD
$3,186 USD
View
B
Retailer 9
-
$5,239 AUD
$3,680 USD
View
B
Retailer 10
-
$5,984 AUD
£3,310 GBP
View
B
Retailer 11
-
$6,130 AUD
$4,306 USD
View
Most Expensive
B
With Clarity
799671726 · Oct 31
$6,698 AUD
$4,705 USD
View
11 more retailers have this diamond
Prices start from $2,054 AUDSave up to $4,644 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
1.81ct Marquise
$2,054 AUD