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Marquise|Lab Grown|IGI

1.57ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG800676825

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800676825

Diamond specifications and retailer prices

From $944 AUD
$663 USD
As of October 30, 2026
Save $7,441 AUD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,385 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown marquise diamond

This 1.57ct 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 LG800676825 or 800676825. Listed at 14 retailers as of October 30, 2026, with prices from $944 to $8,385, a $7,441 spread on the same certified stone. Do Amore Diamonds lists it at $8,385. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676825
Dimensions12.19 × 5.91 × 3.81 mm
L/W Ratio2.06
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
12.19 mm5.91 mm1.57 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676825
Side View
Table 63.0%Crown 35.4°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 64.5%

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: $8,385 AUD|Low: $944 AUD|High: $11,147 AUD|Avg: $3,230 AUD|-24.8%
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$944 AUD
Retailer 14$1,026 AUD
Retailer 11$1,315 AUD
Retailer 5$1,370 AUD
Retailer 3$1,374 AUD
Retailer 6$1,407 AUD
Retailer 10$1,784 AUD
Retailer 7$2,034 AUD
Retailer 12$2,796 AUD
Retailer 13$3,398 AUD
Retailer 4$4,755 AUD
Retailer 8$4,771 AUD
Retailer 2$4,940 AUD
Do Amore Diamonds$8,385 AUD

30 data points across 14 retailers

14 retailers$944 AUD to $8,385 AUD

A
Cheapest Retailer
-
$944 AUD
$663 USD
A
Retailer 2
-
$1,026 AUD
$721 USD
View
A
Retailer 3
-
$1,315 AUD
$924 USD
View
A
Retailer 4
-
$1,370 AUD
$962 USD
View
A
Retailer 5
-
$1,374 AUD
$965 USD
View
A
Retailer 6
-
$1,407 AUD
$988 USD
View
Final sale: no returns
A
Retailer 7
-
$1,784 AUD
$1,253 USD
View
A
Retailer 8
-
$2,034 AUD
€1,361 EUR
View
B+
Retailer 9
-
$2,796 AUD
$1,964 USD
View
B+
Retailer 10
-
$3,398 AUD
$2,387 USD
View
B+
Retailer 11
-
$4,755 AUD
$3,340 USD
View
B+
Retailer 12
-
$4,771 AUD
£2,639 GBP
View
B+
Retailer 13
-
$4,940 AUD
$3,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-6CF66AD91 · Oct 31
$8,385 AUD
$5,890 USD
View
13 more retailers have this diamond
Prices start from $944 AUDSave up to $7,441 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
1.57ct Marquise
$944 AUD