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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG625439413

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG625439413

Diamond specifications and retailer prices

From $318 USD
As of November 5, 2026
Save $2,212 USD (87%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $2,530 USD at Brilliant Earth · As of November 4, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625439413 or 625439413. Listed at 28 retailers as of November 4, 2026, with prices from $318 to $2,530, a $2,212 spread on the same certified stone. Brilliant Earth lists it at $2,530. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625439413
Dimensions10.69 × 5.40 × 3.27 mm
L/W Ratio1.98
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
10.69 mm5.40 mm1.05 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625439413
Side View
Table 60.0%Crown 34.2°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $2,530 USD|Low: $284 USD|High: $2,530 USD|Avg: $977 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
November 5, 2026
Retailer 5$284 USD
Retailer 6$399 USD
Retailer 3$470 USD
Retailer 8$510 USD
Retailer 10$669 USD
Retailer 2$685 USD
Retailer 7$955 USD
Retailer 4$1,081 USD
Retailer 9$1,249 USD
Retailer 13$1,265 USD
Retailer 12$1,508 USD
Retailer 11$1,557 USD
Brilliant Earth$2,530 USD

33 data points across 13 retailers

28 retailers$318 USD to $2,530 USD

Retailer 1
-
$284 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$318 USD
View
Final sale: no returns
Retailer 3
-
$329 USD
View
Price last confirmed 21 days ago
Retailer 4
-
$352 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$352 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$399 USD
View
A
Retailer 7
-
$470 USD
View
A
Retailer 8
-
$477 USD
View
A
Retailer 9
-
$510 USD
View
B+
Retailer 10
-
$669 USD
View
B+
Retailer 11
-
$669 USD
View
B+
Retailer 12
-
$685 USD
View
B+
Retailer 13
-
$831 USD
View
B+
Retailer 14
-
$955 USD
View
B+
Retailer 15
-
$1,081 USD
View
B
Retailer 16
-
$1,249 USD
View
Retailer 17
-
$1,249 USD
View
Price last confirmed 20 days ago
Retailer 18
-
$1,265 USD
View
Price last confirmed 8 days ago
Retailer 19
-
$1,290 USD
View
Price last confirmed 8 days ago
Retailer 20
-
$1,290 USD
View
Price last confirmed 8 days ago
Retailer 21
-
$1,290 USD
View
Price last confirmed 8 days ago
B
Retailer 22
-
$1,410 USD
View
B
Retailer 23
-
$1,411 USD
View
B
Retailer 24
-
$1,457 USD
View
B
Retailer 25
-
$1,508 USD
View
B
Retailer 26
-
$1,557 USD
View
B
Retailer 27
-
$2,520 USD
View
Most Expensive
B
Brilliant Earth
18396597Y · Nov 4
$2,530 USD
View
27 more retailers have this diamond
Prices start from $318 USDSave up to $2,212 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
$318 USD