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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG811619694

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619694

Diamond specifications and retailer prices

From $253 USD
As of November 4, 2026
Save $1,407 USD (85%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $1,660 USD at Brilliant Earth · As of November 5, 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 LG811619694 or 811619694. Listed at 26 retailers as of November 4, 2026, with prices from $253 to $1,660, a $1,407 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619694
Dimensions10.43 × 5.27 × 3.30 mm
L/W Ratio1.98
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
10.43 mm5.27 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619694
Side View
Table 58.0%Crown 34.3°Girdle: THN-STKPavilion 40.5°Culet: NoneDepth 62.6%

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 4
Current: $1,660 USD|Low: $243 USD|High: $2,500 USD|Avg: $792 USD|-33.6%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 6$253 USD
Retailer 3$293 USD
Retailer 4$313 USD
Retailer 5$313 USD
Retailer 2$320 USD
Retailer 8$422 USD
Retailer 13$475 USD
Retailer 15$541 USD
Retailer 18$570 USD
Retailer 11$591 USD
Retailer 17$603 USD
Retailer 14$767 USD
Retailer 12$963 USD
Retailer 7$1,007 USD
Retailer 10$1,219 USD
Retailer 16$1,256 USD
Retailer 9$1,451 USD
Brilliant Earth$1,660 USD

38 data points across 18 retailers

26 retailers$253 USD to $1,660 USD

A
Cheapest Retailer
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$253 USD
A
Retailer 2
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$283 USD
View
Final sale: no returns
A
Retailer 3
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$293 USD
View
Retailer 4
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$313 USD
View
Price last confirmed 11 days ago
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Retailer 5
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$313 USD
View
A
Retailer 6
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$320 USD
View
A
Retailer 7
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$422 USD
View
A
Retailer 8
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$475 USD
View
A
Retailer 9
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$541 USD
View
A
Retailer 10
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$558 USD
View
Retailer 11
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$570 USD
View
Price last confirmed 7 days ago
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Retailer 12
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$586 USD
View
A
Retailer 13
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$591 USD
View
A
Retailer 14
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$603 USD
View
B+
Retailer 15
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$767 USD
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B+
Retailer 16
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$798 USD
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B+
Retailer 17
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$842 USD
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B+
Retailer 18
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$963 USD
View
B
Retailer 19
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$1,007 USD
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B
Retailer 20
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$1,058 USD
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B
Retailer 21
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$1,219 USD
View
B+
Retailer 22
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$1,256 USD
View
B
Retailer 23
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$1,361 USD
View
Retailer 24
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$1,451 USD
View
Price last confirmed 31 days ago
B
Retailer 25
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$1,630 USD
View
Most Expensive
B
Brilliant Earth
20717215A · Nov 5
$1,660 USD
View
25 more retailers have this diamond
Prices start from $253 USDSave up to $1,407 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
$253 USD