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Marquise|Lab Grown|IGI

1.17ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG797644021

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797644021

Diamond specifications and retailer prices

From $399 USD
As of November 2, 2026
Save $2,701 USD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,100 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.17ct lab-grown marquise diamond

This 1.17ct 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 LG797644021 or 797644021. Listed at 26 retailers as of October 31, 2026, with prices from $399 to $3,100, a $2,701 spread on the same certified stone. Brilliant Earth lists it at $3,100. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797644021
Dimensions10.78 × 5.50 × 3.44 mm
L/W Ratio1.96
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
10.78 mm5.50 mm1.17 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797644021
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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 2
Current: $3,100 USD|Low: $383 USD|High: $3,100 USD|Avg: $1,309 USD
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
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Retailer 17
November 2, 2026
Retailer 4$399 USD
Retailer 7$495 USD
Retailer 11$562 USD
Retailer 14$640 USD
Retailer 6$732 USD
Retailer 16$759 USD
Retailer 15$828 USD
Retailer 17$872 USD
Retailer 10$895 USD
Retailer 2$942 USD
Retailer 8$1,511 USD
Retailer 9$1,755 USD
Retailer 12$1,902 USD
Retailer 13$2,017 USD
Retailer 5$2,264 USD
Retailer 3$3,030 USD
Brilliant Earth$3,100 USD

34 data points across 17 retailers

26 retailers$399 USD to $3,100 USD

A
Cheapest Retailer
-
$399 USD
A
Retailer 2
-
$447 USD
View
Final sale: no returns
A
Retailer 3
-
$447 USD
View
A
Retailer 4
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$495 USD
View
Retailer 5
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$495 USD
View
Price last confirmed 7 days ago
A
Retailer 6
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$562 USD
£443 GBP
View
A
Retailer 7
-
$575 USD
View
A
Retailer 8
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$599 USD
View
A
Retailer 9
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$640 USD
View
B+
Retailer 10
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$732 USD
View
B+
Retailer 11
-
$759 USD
A$1,168 AUD
View
B+
Retailer 12
-
$828 USD
€789 EUR
View
B+
Retailer 13
-
$872 USD
View
B+
Retailer 14
-
$895 USD
£704 GBP
View
B+
Retailer 15
-
$942 USD
ZAR 15,210 ZAR
View
Retailer 16
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$1,199 USD
View
Price last confirmed 9 days ago
B
Retailer 17
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$1,460 USD
View
B
Retailer 18
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$1,511 USD
CA$2,099 CAD
View
B
Retailer 19
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$1,755 USD
View
B
Retailer 20
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$1,819 USD
View
B
Retailer 21
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$1,902 USD
View
B
Retailer 22
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$2,017 USD
£1,588 GBP
View
B
Retailer 23
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$2,096 USD
View
B
Retailer 24
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$2,264 USD
View
B
Retailer 25
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$3,030 USD
View
Most Expensive
B
Brilliant Earth
21575163Y · Oct 31
$3,100 USD
View
25 more retailers have this diamond
Prices start from $399 USDSave up to $2,701 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
1.17ct Marquise
$399 USD