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Marquise|Lab Grown|IGI

1.15ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG800685263

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800685263

Diamond specifications and retailer prices

From $196 USD
As of October 30, 2026
Save $2,204 USD (92%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,400 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.15ct lab-grown marquise diamond

This 1.15ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800685263 or 800685263. Listed at 14 retailers as of October 28, 2026, with prices from $196 to $2,400, a $2,204 spread on the same certified stone. Brilliant Earth lists it at $2,400. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800685263
Dimensions11.07 × 5.45 × 3.33 mm
L/W Ratio2.03
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
11.07 mm5.45 mm1.15 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800685263
Side View
Table 57.0%Crown 34.4°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 61.1%

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: $2,400 USD|Low: $196 USD|High: $2,480 USD|Avg: $1,042 USD|-3.2%
Brilliant Earth
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 9$196 USD
Retailer 16$227 USD
Retailer 6$314 USD
Retailer 10$395 USD
Retailer 13$422 USD
Retailer 2$471 USD
Retailer 7$535 USD
Retailer 4$563 USD
Retailer 5$701 USD
Retailer 11$783 USD
Retailer 14$861 USD
Retailer 15$1,074 USD
Retailer 8$1,872 USD
Retailer 12$1,880 USD
Retailer 3$2,175 USD
Brilliant Earth$2,400 USD

25 data points across 16 retailers

14 retailers$196 USD to $2,400 USD

A
Cheapest Retailer
-
$196 USD
A
Retailer 2
-
$227 USD
View
A
Retailer 3
-
$314 USD
View
Final sale: no returns
A
Retailer 4
-
$395 USD
View
A
Retailer 5
-
$422 USD
View
A
Retailer 6
-
$471 USD
€449 EUR
View
A
Retailer 7
-
$563 USD
View
B+
Retailer 8
-
$701 USD
A$1,078 AUD
View
B+
Retailer 9
-
$783 USD
View
B+
Retailer 10
-
$861 USD
View
B+
Retailer 11
-
$1,074 USD
£846 GBP
View
B
Retailer 12
-
$1,880 USD
View
B
Retailer 13
-
$2,175 USD
View
Most Expensive
B
Brilliant Earth
21014107Y · Oct 28
$2,400 USD
View
13 more retailers have this diamond
Prices start from $196 USDSave up to $2,204 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
1.15ct Marquise
$196 USD