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Marquise|Lab Grown|IGI

1.83ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG818654469

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818654469

Diamond specifications and retailer prices

From $1,095 AUD
$769 USD
As of October 30, 2026
Save $8,614 AUD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,709 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.83ct lab-grown marquise diamond

This 1.83ct 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 LG818654469 or 818654469. Listed at 13 retailers as of October 30, 2026, with prices from $1,095 to $9,709, a $8,614 spread on the same certified stone. Do Amore Diamonds lists it at $9,709. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654469
Dimensions12.26 × 6.46 × 3.95 mm
L/W Ratio1.90
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
12.26 mm6.46 mm1.83 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654469
Side View
Table 60.0%Crown 36.9°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 61.1%

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: $9,709 AUD|Low: $1,095 AUD|High: $12,941 AUD|Avg: $4,520 AUD|-25.0%
Do Amore Diamonds
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
October 30, 2026
Retailer 9$1,095 AUD
Retailer 13$1,190 AUD
Retailer 3$1,580 AUD
Retailer 4$1,801 AUD
Retailer 10$2,053 AUD
Retailer 7$2,362 AUD
Retailer 5$2,672 AUD
Retailer 11$3,018 AUD
Retailer 12$3,939 AUD
Retailer 14$4,470 AUD
Retailer 2$5,239 AUD
Retailer 8$5,279 AUD
Retailer 6$5,790 AUD
Do Amore Diamonds$9,709 AUD

30 data points across 14 retailers

13 retailers$1,095 AUD to $9,709 AUD

A
Cheapest Retailer
-
$1,095 AUD
$769 USD
A
Retailer 2
-
$1,190 AUD
$836 USD
View
A
Retailer 3
-
$1,580 AUD
$1,110 USD
View
A
Retailer 4
-
$1,801 AUD
$1,265 USD
View
A
Retailer 5
-
$2,053 AUD
$1,442 USD
View
A
Retailer 6
-
$2,362 AUD
€1,580 EUR
View
A
Retailer 7
-
$2,672 AUD
View
B+
Retailer 8
-
$3,018 AUD
$2,120 USD
View
B+
Retailer 9
-
$3,939 AUD
$2,767 USD
View
B+
Retailer 10
-
$4,470 AUD
$3,140 USD
View
B+
Retailer 11
-
$5,239 AUD
$3,680 USD
View
B+
Retailer 12
-
$5,279 AUD
£2,920 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3679B3E51 · Oct 30
$9,709 AUD
$6,820 USD
View
12 more retailers have this diamond
Prices start from $1,095 AUDSave up to $8,614 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
1.83ct Marquise
$1,095 AUD