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Marquise|Lab Grown|IGI

1.81ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG641494144

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG641494144

Diamond specifications and retailer prices

From $813 AUD
$571 USD
As of October 30, 2026
Save $6,405 AUD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,218 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG641494144 or 641494144. Listed at 23 retailers as of October 29, 2026, with prices from $813 to $7,218, a $6,405 spread on the same certified stone. Do Amore Diamonds lists it at $7,218. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641494144
Dimensions12.58 × 6.34 × 3.97 mm
L/W Ratio1.98
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
12.58 mm6.34 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641494144
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 62.6%

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 30
Current: $7,218 AUD|Low: $813 AUD|High: $9,495 AUD|Avg: $3,169 AUD|-24.0%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 30, 2026
Retailer 6$813 AUD
Retailer 8$908 AUD
Retailer 21$911 AUD
Retailer 18$1,008 AUD
Retailer 16$1,196 AUD
Retailer 7$1,312 AUD
Retailer 5$1,330 AUD
Retailer 17$1,553 AUD
Retailer 22$1,660 AUD
Retailer 2$1,744 AUD
Retailer 13$1,912 AUD
Retailer 11$2,501 AUD
Retailer 19$2,927 AUD
Retailer 4$3,233 AUD
Retailer 9$3,244 AUD
Retailer 10$3,361 AUD
Retailer 14$3,404 AUD
Retailer 3$3,759 AUD
Retailer 12$3,800 AUD
Retailer 15$4,043 AUD
Retailer 20$4,390 AUD
Do Amore Diamonds$7,218 AUD

38 data points across 22 retailers

23 retailers$813 AUD to $7,218 AUD

A
Cheapest Retailer
-
$813 AUD
$571 USD
A
Retailer 2
-
$908 AUD
$638 USD
View
Final sale: no returns
A
Retailer 3
-
$911 AUD
$640 USD
View
A
Retailer 4
-
$1,008 AUD
$708 USD
View
A
Retailer 5
-
$1,196 AUD
$840 USD
View
Retailer 6
-
$1,240 AUD
$871 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$1,312 AUD
HK$7,200 HKD
View
A
Retailer 8
-
$1,330 AUD
$934 USD
View
A
Retailer 9
-
$1,553 AUD
$1,091 USD
View
A
Retailer 10
-
$1,660 AUD
$1,166 USD
View
A
Retailer 11
-
$1,744 AUD
£965 GBP
View
A
Retailer 12
-
$1,912 AUD
ZAR 21,699 ZAR
View
A
Retailer 13
-
$2,501 AUD
$1,757 USD
View
B+
Retailer 14
-
$2,927 AUD
$2,056 USD
View
B+
Retailer 15
-
$3,233 AUD
£1,788 GBP
View
B+
Retailer 16
-
$3,244 AUD
$2,279 USD
View
B+
Retailer 17
-
$3,361 AUD
$2,361 USD
View
Retailer 18
-
$3,404 AUD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
$3,759 AUD
$2,640 USD
View
B+
Retailer 20
-
$3,800 AUD
SGD 3,607 SGD
View
B+
Retailer 21
-
$4,043 AUD
$2,840 USD
View
B+
Retailer 22
-
$4,390 AUD
£2,428 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F4AD76964 · Oct 29
$7,218 AUD
$5,070 USD
View
22 more retailers have this diamond
Prices start from $813 AUDSave up to $6,405 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
$813 AUD