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Marquise|Lab Grown|IGI

1.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG786638302

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786638302

Diamond specifications and retailer prices

From $472 USD
As of October 30, 2026
Save $2,348 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,820 USD at Brilliant Earth · As of October 31, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786638302 or 786638302. Listed at 21 retailers as of October 30, 2026, with prices from $472 to $2,820, a $2,348 spread on the same certified stone. Brilliant Earth lists it at $2,820. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786638302
Dimensions10.45 × 5.37 × 3.35 mm
L/W Ratio1.95
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
10.45 mm5.37 mm1.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786638302
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.4%

Caratlytics Score

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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: $2,820 USD|Low: $453 USD|High: $2,820 USD|Avg: $1,061 USD
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
November 1, 2026
Retailer 3$472 USD
Retailer 7$528 USD
Retailer 4$585 USD
Retailer 5$585 USD
Retailer 9$602 USD
Retailer 12$725 USD
Retailer 8$785 USD
Retailer 6$877 USD
Retailer 10$971 USD
Retailer 14$980 USD
Retailer 11$1,005 USD
Retailer 15$1,573 USD
Retailer 13$1,707 USD
Retailer 2$2,149 USD
Brilliant Earth$2,820 USD

42 data points across 15 retailers

21 retailers$472 USD to $2,820 USD

A
Cheapest Retailer
-
$472 USD
A
Retailer 2
-
$528 USD
View
Final sale: no returns
A
Retailer 3
-
$528 USD
View
Retailer 4
-
$585 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$585 USD
View
A
Retailer 6
-
$602 USD
£474 GBP
View
B+
Retailer 7
-
$682 USD
View
B+
Retailer 8
-
$725 USD
View
B+
Retailer 9
-
$785 USD
View
B+
Retailer 10
-
$877 USD
View
B+
Retailer 11
-
$971 USD
£764 GBP
View
Retailer 12
-
$980 USD
€933 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$1,005 USD
ZAR 16,242 ZAR
View
B
Retailer 14
-
$1,573 USD
View
B
Retailer 15
-
$1,707 USD
£1,344 GBP
View
B
Retailer 16
-
$1,881 USD
View
B
Retailer 17
-
$1,910 USD
View
Retailer 18
-
$1,998 USD
View
Price last confirmed 84 days ago
B
Retailer 19
-
$2,061 USD
View
B
Retailer 20
-
$2,149 USD
£1,692 GBP
View
Most Expensive
B
Brilliant Earth
22254624A · Oct 31
$2,820 USD
View
20 more retailers have this diamond
Prices start from $472 USDSave up to $2,348 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
$472 USD