Marquise|Lab Grown|IGI

1.05ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG797604663

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797604663

Diamond specifications and retailer prices

From $501 USD
As of October 29, 2026
Save $1,699 USD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,280 USD at Brilliant Earth · As of October 3, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG797604663 or 797604663. Listed at 13 retailers as of October 28, 2026, with a 339% 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

1.05
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797604663
Dimensions10.55 × 5.25 × 3.24 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.55 mm5.25 mm1.05 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797604663
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.7%

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 29
Current: $2,200 USD|Low: $249 USD|High: $2,290 USD|Avg: $1,067 USD|-3.9%
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
Retailer 17
Retailer 18
Retailer 19
October 8, 2026
Retailer 7$382 USD
Retailer 15$501 USD
Retailer 4$580 USD
Retailer 17$599 USD
Retailer 16$612 USD
Retailer 9$638 USD
Retailer 19$657 USD
Retailer 6$676 USD
Retailer 18$688 USD
Retailer 5$719 USD
Retailer 13$822 USD
Retailer 10$1,283 USD
Retailer 8$1,351 USD
Retailer 2$1,359 USD
Retailer 11$1,545 USD
Retailer 3$1,560 USD
Retailer 12$1,604 USD
Retailer 14$1,948 USD
Brilliant Earth$2,200 USD

18 data points across 19 retailers

13 retailers$501 USD to $2,200 USD

A
Cheapest Retailer
-
$501 USD
A
Retailer 2
-
$612 USD
View
Retailer 3
-
$657 USD
ZAR 10,608 ZAR
View
Price last confirmed 28 days ago
B+
Retailer 4
-
$688 USD
A$1,058 AUD
View
Retailer 5
-
$719 USD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
$822 USD
View
Retailer 7
-
$1,283 USD
View
Price last confirmed 27 days ago
B
Retailer 8
-
$1,359 USD
CA$1,887 CAD
View
Retailer 9
-
$1,560 USD
£1,228 GBP
View
Price last confirmed 29 days ago
B
Retailer 10
-
$1,604 USD
View
B
Retailer 11
-
$1,948 USD
View
B
Retailer 12
-
$2,200 USD
View
Most Expensive
Brilliant Earth
20481630A · Oct 3
$2,280 USD
View
Price last confirmed 26 days ago
12 more retailers have this diamond
Prices start from $501 USDSave up to $1,699 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
1.05ct Marquise
$501 USD