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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 $683 USD
As of November 2, 2026
Save $2,036 USD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,886 USD 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 November 2, 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: Nov 2
Current: $4,421 USD|Low: $683 USD|High: $5,790 USD|Avg: $2,463 USD|-1.7%
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
November 1, 2026
Retailer 11$683 USD
Retailer 8$1,075 USD
Retailer 3$1,139 USD
Retailer 7$1,169 USD
Retailer 9$1,203 USD
Retailer 5$1,246 USD
Retailer 10$1,481 USD
Retailer 6$2,579 USD
Retailer 4$2,628 USD
Retailer 2$2,719 USD
Retailer 1$4,421 USD
Taylor and Hart$4,886 USD
Retailer 12$5,790 USD

24 data points across 13 retailers

13 retailers$683 USD to $2,719 USD

A
Cheapest Retailer
-
$683 USD
B+
Retailer 2
-
$1,075 USD
View
B+
Retailer 3
-
$1,139 USD
View
B+
Retailer 4
-
$1,169 USD
View
B+
Retailer 5
-
$1,203 USD
View
Final sale: no returns
B+
Retailer 6
-
$1,246 USD
View
B+
Retailer 7
-
$1,481 USD
A$2,278 AUD
View
B
Retailer 8
-
$2,579 USD
View
B
Retailer 9
-
$2,628 USD
View
B
Retailer 10
-
$2,719 USD
CA$3,776 CAD
View
Retailer 11
-
$4,421 USD
£3,481 GBP
View
Price under review
Most Expensive
Taylor and Hart
JM4EWIU · Oct 31
$4,886 USD
View
Price under review
11 more retailers have this diamond
Prices start from $683 USDSave up to $2,036 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
1.18ct Marquise
$683 USD