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Marquise|Lab Grown|IGI

1.05ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG786643182

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786643182

Diamond specifications and retailer prices

From $838 USD
As of October 30, 2026
Save $2,529 USD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,663 USD at MOH London · As of October 29, 2026
View at MOH London

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 LG786643182 or 786643182. Listed at 20 retailers as of October 30, 2026, with a 302% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786643182
Dimensions10.33 × 5.20 × 3.31 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
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
10.33 mm5.20 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786643182
Side View
Table 59.0%Crown 36.1°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 63.7%

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 30
Current: $3,663 USD|Low: $808 USD|High: $3,703 USD|Avg: $1,871 USD|-1.0%
MOH London
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
Retailer 20
October 30, 2026
Retailer 2$838 USD
Retailer 5$912 USD
Retailer 18$938 USD
Retailer 15$972 USD
Retailer 10$974 USD
Retailer 9$1,126 USD
Retailer 6$1,150 USD
Retailer 11$1,187 USD
Retailer 7$1,395 USD
Retailer 14$1,493 USD
Retailer 16$1,713 USD
Retailer 19$1,787 USD
Retailer 8$2,044 USD
Retailer 12$2,260 USD
Retailer 17$2,682 USD
Retailer 20$2,724 USD
Retailer 3$2,733 USD
Retailer 13$3,229 USD
Retailer 4$3,367 USD
MOH London$3,663 USD

37 data points across 20 retailers

20 retailers$838 USD to $3,367 USD

A
Cheapest Retailer
-
$838 USD
B+
Retailer 2
-
$912 USD
View
B+
Retailer 3
-
$938 USD
View
Final sale: no returns
B+
Retailer 4
-
$972 USD
View
Retailer 5
-
$974 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$1,126 USD
HK$8,800 HKD
View
B+
Retailer 7
-
$1,150 USD
View
B+
Retailer 8
-
$1,187 USD
View
B+
Retailer 9
-
$1,395 USD
View
B+
Retailer 10
-
$1,493 USD
£1,176 GBP
View
B
Retailer 11
-
$1,713 USD
€1,631 EUR
View
B
Retailer 12
-
$1,787 USD
ZAR 28,861 ZAR
View
B
Retailer 13
-
$2,044 USD
View
B
Retailer 14
-
$2,260 USD
View
B
Retailer 15
-
$2,682 USD
£2,112 GBP
View
B
Retailer 16
-
$2,724 USD
SGD 3,681 SGD
View
B
Retailer 17
-
$2,733 USD
View
B
Retailer 18
-
$3,229 USD
View
B
Retailer 19
-
$3,367 USD
View
Most Expensive
MOH London
LG786643182 · Oct 29
$3,663 USD
£2,884 GBP
View
Price under review
19 more retailers have this diamond
Prices start from $838 USDSave up to $2,529 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
$838 USD