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Marquise|Lab Grown|IGI

1.05ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG800682019

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800682019

Diamond specifications and retailer prices

From $410 USD
HK$3,200 HKD
As of October 28, 2026
Save $1,630 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,040 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG800682019 or 800682019. Listed at 12 retailers as of October 28, 2026, with prices from $410 to $2,040, a $1,630 spread on the same certified stone. Rare Carat lists it at $2,040. 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 angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800682019
Dimensions10.34 × 5.31 × 3.37 mm
L/W Ratio1.95
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
10.34 mm5.31 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800682019
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.5%

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 28
Current: $2,040 USD|Low: $410 USD|High: $2,260 USD|Avg: $1,099 USD|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3$410 USD
Retailer 12$418 USD
Retailer 10$473 USD
Retailer 5$495 USD
Retailer 8$504 USD
Retailer 2$558 USD
Retailer 9$647 USD
Retailer 11$1,122 USD
Retailer 6$1,193 USD
Retailer 4$1,492 USD
Retailer 7$1,800 USD
Rare Carat$2,040 USD

41 data points across 12 retailers

12 retailers$410 USD to $2,040 USD

A
Cheapest Retailer
-
$410 USD
HK$3,200 HKD
A
Retailer 2
-
$418 USD
View
A
Retailer 3
-
$473 USD
View
A
Retailer 4
-
$495 USD
€471 EUR
View
A
Retailer 5
-
$504 USD
View
A
Retailer 6
-
$558 USD
£440 GBP
View
A
Retailer 7
-
$647 USD
View
B+
Retailer 8
-
$1,122 USD
View
B+
Retailer 9
-
$1,193 USD
£939 GBP
View
B+
Retailer 10
-
$1,492 USD
View
B
Retailer 11
-
$1,800 USD
View
Most Expensive
B
Rare Carat
3895-U · Oct 28
$2,040 USD
View
11 more retailers have this diamond
Prices start from $410 USDSave up to $1,630 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
$410 USD