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Marquise|Lab Grown|IGI

1.03ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG788621212

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788621212

Diamond specifications and retailer prices

From $515 USD
As of November 1, 2026
Save $2,245 USD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,760 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.03ct lab-grown marquise diamond

This 1.03ct 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 LG788621212 or 788621212. Listed at 21 retailers as of November 1, 2026, with prices from $515 to $2,760, a $2,245 spread on the same certified stone. Brilliant Earth lists it at $2,760. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621212
Dimensions10.12 × 5.41 × 3.33 mm
L/W Ratio1.87
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
10.12 mm5.41 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621212
Side View
Table 63.0%Crown 37.2°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 61.6%

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: Nov 1
Current: $2,760 USD|Low: $442 USD|High: $2,760 USD|Avg: $1,124 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 2, 2026
Retailer 15$461 USD
Retailer 6$515 USD
Retailer 3$571 USD
Retailer 13$571 USD
Retailer 12$660 USD
Retailer 14$768 USD
Retailer 5$788 USD
Retailer 9$938 USD
Retailer 8$985 USD
Retailer 2$1,339 USD
Retailer 11$1,491 USD
Retailer 4$1,512 USD
Retailer 7$1,661 USD
Retailer 10$2,098 USD
Brilliant Earth$2,760 USD

44 data points across 15 retailers

21 retailers$515 USD to $2,760 USD

Retailer 1
-
$461 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$515 USD
View
Final sale: no returns
Retailer 3
-
$516 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$571 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$571 USD
View
Price last confirmed 30 days ago
B+
Retailer 6
-
$658 USD
View
B+
Retailer 7
-
$660 USD
View
B+
Retailer 8
-
$768 USD
View
B+
Retailer 9
-
$788 USD
View
B+
Retailer 10
-
$938 USD
£739 GBP
View
B+
Retailer 11
-
$985 USD
ZAR 15,914 ZAR
View
B
Retailer 12
-
$1,339 USD
View
B+
Retailer 13
-
$1,491 USD
€1,420 EUR
View
B
Retailer 14
-
$1,512 USD
SGD 2,043 SGD
View
B
Retailer 15
-
$1,661 USD
£1,308 GBP
View
Retailer 16
-
$1,836 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$1,867 USD
View
Retailer 18
-
$2,015 USD
View
Price last confirmed 26 days ago
B
Retailer 19
-
$2,025 USD
View
B
Retailer 20
-
$2,098 USD
£1,652 GBP
View
Most Expensive
B
Brilliant Earth
20045951A · Nov 2
$2,760 USD
View
20 more retailers have this diamond
Prices start from $515 USDSave up to $2,245 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
1.03ct Marquise
$515 USD