Marquise|Lab Grown|IGI

1.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800676937

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800676937

Diamond specifications and retailer prices

From $252 USD
As of October 30, 2026
Save $2,008 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,260 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 LG800676937 or 800676937. Listed at 15 retailers as of October 30, 2026, with prices from $252 to $2,260, a $2,008 spread on the same certified stone. Brilliant Earth lists it at $2,260. 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 angle34.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676937
Dimensions10.40 × 5.27 × 3.25 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
10.40 mm5.27 mm1.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676937
Side View
Table 61.0%Crown 34.8°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 61.7%

Caratlytics Score

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A+
Exceptional
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: $2,260 USD|Low: $252 USD|High: $2,870 USD|Avg: $986 USD|-21.3%
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
Retailer 16
November 1, 2026
Retailer 10$252 USD
Retailer 3$292 USD
Retailer 7$320 USD
Retailer 2$355 USD
Retailer 12$467 USD
Retailer 5$487 USD
Retailer 4$490 USD
Retailer 15$522 USD
Retailer 9$593 USD
Retailer 6$707 USD
Retailer 13$958 USD
Retailer 16$1,107 USD
Retailer 11$1,382 USD
Retailer 8$1,807 USD
Retailer 14$2,230 USD
Brilliant Earth$2,260 USD

36 data points across 16 retailers

15 retailers$252 USD to $2,260 USD

A+
Cheapest Retailer
-
$252 USD
A
Retailer 2
-
$292 USD
View
A
Retailer 3
-
$320 USD
View
Final sale: no returns
A
Retailer 4
-
$355 USD
£279 GBP
View
A
Retailer 5
-
$467 USD
View
A
Retailer 6
-
$487 USD
View
A
Retailer 7
-
$490 USD
View
A
Retailer 8
-
$522 USD
View
A
Retailer 9
-
$593 USD
€565 EUR
View
B+
Retailer 10
-
$707 USD
A$1,088 AUD
View
B+
Retailer 11
-
$958 USD
View
B+
Retailer 12
-
$1,107 USD
View
B+
Retailer 13
-
$1,382 USD
£1,088 GBP
View
B
Retailer 14
-
$2,230 USD
View
Most Expensive
B
Brilliant Earth
21014390Y · Oct 31
$2,260 USD
View
14 more retailers have this diamond
Prices start from $252 USDSave up to $2,008 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
$252 USD