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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG838619319

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838619319

Diamond specifications and retailer prices

From $242 USD
As of November 2, 2026
Save $1,418 USD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,660 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG838619319 or 838619319. Listed at 20 retailers as of November 2, 2026, with prices from $242 to $1,660, a $1,418 spread on the same certified stone. Brilliant Earth lists it at $1,660. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619319
Dimensions10.70 × 5.23 × 3.27 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizeNone
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
10.70 mm5.23 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619319
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.5%

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: Nov 2
Current: $1,660 USD|Low: $240 USD|High: $1,660 USD|Avg: $621 USD|+1.8%
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
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 13$242 USD
Retailer 7$270 USD
Retailer 15$280 USD
Retailer 11$297 USD
Retailer 19$300 USD
Retailer 12$309 USD
Retailer 8$410 USD
Retailer 10$501 USD
Retailer 16$517 USD
Retailer 3$531 USD
Retailer 14$563 USD
Retailer 5$582 USD
Retailer 9$725 USD
Retailer 2$760 USD
Retailer 4$963 USD
Retailer 6$1,015 USD
Retailer 17$1,201 USD
Retailer 18$1,326 USD
Brilliant Earth$1,660 USD

23 data points across 19 retailers

20 retailers$242 USD to $1,660 USD

A+
Cheapest Retailer
-
$242 USD
A
Retailer 2
-
$270 USD
View
Final sale: no returns
A
Retailer 3
-
$280 USD
View
Retailer 4
-
$297 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$300 USD
View
A
Retailer 6
-
$309 USD
£243 GBP
View
A
Retailer 7
-
$410 USD
View
A
Retailer 8
-
$501 USD
€477 EUR
View
A
Retailer 9
-
$517 USD
ZAR 8,358 ZAR
View
A
Retailer 10
-
$531 USD
View
A
Retailer 11
-
$563 USD
£443 GBP
View
A
Retailer 12
-
$582 USD
View
B+
Retailer 13
-
$725 USD
A$1,115 AUD
View
B+
Retailer 14
-
$760 USD
View
B+
Retailer 15
-
$963 USD
View
B+
Retailer 16
-
$1,015 USD
View
B+
Retailer 17
-
$1,201 USD
£946 GBP
View
B+
Retailer 18
-
$1,326 USD
View
Retailer 19
-
$1,451 USD
A$2,233 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
21690536A · Nov 2
$1,660 USD
View
19 more retailers have this diamond
Prices start from $242 USDSave up to $1,418 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
$242 USD