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 $663 USD
As of October 30, 2026
Save $5,227 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,890 USD at Do Amore Diamonds · As of October 29, 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 29, 2026, with prices from $663 to $5,890, a $5,227 spread on the same certified stone. Do Amore Diamonds lists it at $5,890. 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
Color
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: $5,890 USD|Low: $663 USD|High: $7,830 USD|Avg: $2,273 USD|-24.8%
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 9$663 USD
Retailer 14$721 USD
Retailer 11$924 USD
Retailer 5$962 USD
Retailer 3$965 USD
Retailer 6$988 USD
Retailer 10$1,253 USD
Retailer 7$1,429 USD
Retailer 12$1,964 USD
Retailer 13$2,387 USD
Retailer 4$3,340 USD
Retailer 8$3,352 USD
Retailer 2$3,470 USD
Do Amore Diamonds$5,890 USD

31 data points across 14 retailers

14 retailers$663 USD to $5,890 USD

A
Cheapest Retailer
-
$663 USD
A
Retailer 2
-
$721 USD
View
A
Retailer 3
-
$924 USD
View
A
Retailer 4
-
$962 USD
View
A
Retailer 5
-
$965 USD
View
A
Retailer 6
-
$988 USD
View
Final sale: no returns
A
Retailer 7
-
$1,253 USD
View
A
Retailer 8
-
$1,429 USD
€1,361 EUR
View
B+
Retailer 9
-
$1,964 USD
View
B+
Retailer 10
-
$2,387 USD
View
B+
Retailer 11
-
$3,340 USD
View
B+
Retailer 12
-
$3,352 USD
£2,639 GBP
View
B+
Retailer 13
-
$3,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-6CF66AD91 · Oct 29
$5,890 USD
View
13 more retailers have this diamond
Prices start from $663 USDSave up to $5,227 USD

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
$663 USD