Marquise|Lab Grown|GCAL

1.57ct E FL Marquise Lab Grown Diamond

EX • E/FL • GCAL 352816351

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 352816351

Diamond specifications and retailer prices

From $6,337 USD
£4,990 GBP
As of October 30, 2026
Save $1,563 USD (20%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $10,679 USD at MOH London · As of October 29, 2026
View at MOH London

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 GCAL 352816351. Listed at 5 retailers as of October 26, 2026, with a relatively tight 25% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 352816351
Dimensions11.72 × 6.11 × 3.78 mm
L/W Ratio1.92
Culet sizeNone
Top View
11.72 mm6.11 mm1.57 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 352816351
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $10,679 USD|Low: $6,299 USD|High: $18,305 USD|Avg: $10,567 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2$6,337 USD
Retailer 5$6,778 USD
Retailer 3$7,900 USD
MOH London$10,679 USD
Retailer 4$13,816 USD
Retailer 6$18,305 USD

37 data points across 6 retailers

5 retailers$6,337 USD to $7,900 USD

B+
Cheapest Retailer
-
$6,337 USD
£4,990 GBP
B
Retailer 2
-
$7,900 USD
View
Most Expensive
MOH London
352816351 · Oct 29
$10,679 USD
£8,409 GBP
View
Price under review
2 more retailers have this diamond
Prices start from $6,337 USDSave up to $1,563 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.

B+
1.57ct Marquise
$6,337 USD