Marquise|Lab Grown|GCAL

1.18ct E IF Marquise Lab Grown Diamond

ID • E/IF • GCAL 361737075

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 361737075

Diamond specifications and retailer prices

From €611 EUR
$683 USD
As of October 30, 2026
Save €1,822 EUR (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,374 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.18ct lab-grown marquise diamond

This 1.18ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL 361737075. Listed at 13 retailers as of October 30, 2026, with a 298% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 361737075
Dimensions10.39 × 5.67 × 3.53 mm
L/W Ratio1.83
Culet sizeNone
Top View
10.39 mm5.67 mm1.18 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 361737075
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,115 EUR|Low: €611 EUR|High: €5,183 EUR|Avg: €2,207 EUR|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 29, 2026
Retailer 11€611 EUR
Retailer 7€962 EUR
Retailer 3€1,020 EUR
Retailer 6€1,046 EUR
Retailer 8€1,077 EUR
Retailer 1€1,115 EUR
Retailer 10€1,325 EUR
Retailer 5€2,308 EUR
Retailer 4€2,352 EUR
Retailer 2€2,433 EUR
Retailer 9€3,962 EUR
Taylor and Hart€4,374 EUR
Retailer 12€5,183 EUR

23 data points across 13 retailers

13 retailers€611 EUR to €2,433 EUR

A
Cheapest Retailer
-
€611 EUR
$683 USD
B+
Retailer 2
-
€962 EUR
$1,075 USD
View
B+
Retailer 3
-
€1,020 EUR
$1,139 USD
View
B+
Retailer 4
-
€1,046 EUR
$1,169 USD
View
B+
Retailer 5
-
€1,077 EUR
$1,203 USD
View
Final sale: no returns
B+
Retailer 6
-
€1,115 EUR
$1,246 USD
View
B+
Retailer 7
-
€1,325 EUR
A$2,278 AUD
View
B
Retailer 8
-
€2,308 EUR
$2,579 USD
View
B
Retailer 9
-
€2,352 EUR
$2,628 USD
View
B
Retailer 10
-
€2,433 EUR
CA$3,776 CAD
View
Retailer 11
-
€3,962 EUR
£3,485 GBP
View
Price under review
Most Expensive
Taylor and Hart
JM4EWIU · Oct 31
€4,374 EUR
$4,886 USD
View
Price under review
11 more retailers have this diamond
Prices start from €611 EURSave up to €1,822 EUR

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
1.18ct Marquise
€611 EUR