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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG799631335

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799631335

Diamond specifications and retailer prices

From $318 USD
As of November 5, 2026
Save $1,672 USD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $1,990 USD at Brilliant Earth · As of November 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799631335 or 799631335. Listed at 26 retailers as of November 3, 2026, with prices from $318 to $1,990, a $1,672 spread on the same certified stone. Brilliant Earth lists it at $1,990. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799631335
Dimensions10.60 × 5.37 × 3.28 mm
L/W Ratio1.97
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
10.60 mm5.37 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799631335
Side View
Table 59.0%Crown 32.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
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: Nov 5
Current: $1,990 USD|Low: $285 USD|High: $2,550 USD|Avg: $871 USD|-22.0%
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 5, 2026
Retailer 5$285 USD
Retailer 4$353 USD
Retailer 9$362 USD
Retailer 7$475 USD
Retailer 13$510 USD
Retailer 14$579 USD
Retailer 12$608 USD
Retailer 2$616 USD
Retailer 15$648 USD
Retailer 10$865 USD
Retailer 11$914 USD
Retailer 3$1,280 USD
Retailer 8$1,409 USD
Retailer 6$1,480 USD
Brilliant Earth$1,990 USD

34 data points across 15 retailers

26 retailers$318 USD to $1,990 USD

Retailer 1
-
$285 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$318 USD
View
Final sale: no returns
Retailer 3
-
$330 USD
View
Price last confirmed 21 days ago
Retailer 4
-
$353 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$353 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$362 USD
View
A
Retailer 7
-
$475 USD
View
A
Retailer 8
-
$510 USD
View
A
Retailer 9
-
$579 USD
View
A
Retailer 10
-
$595 USD
View
A
Retailer 11
-
$608 USD
View
A
Retailer 12
-
$616 USD
View
A
Retailer 13
-
$616 USD
View
B+
Retailer 14
-
$648 USD
View
B+
Retailer 15
-
$865 USD
View
B+
Retailer 16
-
$914 USD
View
B+
Retailer 17
-
$944 USD
View
B+
Retailer 18
-
$1,084 USD
View
Retailer 19
-
$1,134 USD
View
Price last confirmed 36 days ago
B
Retailer 20
-
$1,184 USD
View
Retailer 21
-
$1,280 USD
View
Price last confirmed 8 days ago
B
Retailer 22
-
$1,371 USD
View
B+
Retailer 23
-
$1,409 USD
View
B
Retailer 24
-
$1,463 USD
View
Retailer 25
-
$1,480 USD
View
Price last confirmed 28 days ago
Most Expensive
B
Brilliant Earth
20485595A · Nov 3
$1,990 USD
View
25 more retailers have this diamond
Prices start from $318 USDSave up to $1,672 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