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Marquise|Lab Grown|IGI

1.00ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG818623984

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818623984

Diamond specifications and retailer prices

From $223 USD
As of October 30, 2026
Save $2,447 USD (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,670 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown marquise diamond

This 1ct 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 LG818623984 or 818623984. Listed at 22 retailers as of October 30, 2026, with prices from $223 to $2,670, a $2,447 spread on the same certified stone. Brilliant Earth lists it at $2,670. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623984
Dimensions10.56 × 5.26 × 3.23 mm
L/W Ratio2.01
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
10.56 mm5.26 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623984
Side View
Table 56.0%Crown 32.6°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 61.4%

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: Oct 30
Current: $2,670 USD|Low: $223 USD|High: $2,670 USD|Avg: $955 USD|+0.8%
Brilliant Earth
Retailer 2
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Retailer 23
November 1, 2026
Retailer 11$223 USD
Retailer 8$249 USD
Retailer 20$258 USD
Retailer 5$276 USD
Retailer 9$276 USD
Retailer 7$333 USD
Retailer 3$370 USD
Retailer 22$426 USD
Retailer 19$486 USD
Retailer 17$523 USD
Retailer 10$525 USD
Retailer 13$578 USD
Retailer 21$890 USD
Retailer 12$979 USD
Retailer 18$980 USD
Retailer 16$1,060 USD
Retailer 14$1,150 USD
Retailer 2$1,220 USD
Retailer 6$1,265 USD
Retailer 15$1,935 USD
Retailer 23$1,940 USD
Retailer 4$2,140 USD
Brilliant Earth$2,670 USD

37 data points across 23 retailers

22 retailers$223 USD to $2,670 USD

A
Cheapest Retailer
-
$223 USD
A
Retailer 2
-
$249 USD
View
Final sale: no returns
A
Retailer 3
-
$258 USD
View
Retailer 4
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$276 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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$276 USD
View
A
Retailer 6
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$333 USD
View
A
Retailer 7
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$370 USD
View
A
Retailer 8
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$426 USD
View
A
Retailer 9
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$486 USD
€463 EUR
View
A
Retailer 10
-
$523 USD
ZAR 8,454 ZAR
View
A
Retailer 11
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$578 USD
£455 GBP
View
B+
Retailer 12
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$890 USD
View
B+
Retailer 13
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$979 USD
View
B+
Retailer 14
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$980 USD
View
B+
Retailer 15
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$1,060 USD
View
B+
Retailer 16
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$1,150 USD
View
B+
Retailer 17
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$1,220 USD
£961 GBP
View
B
Retailer 18
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$1,265 USD
View
B
Retailer 19
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$1,935 USD
View
B
Retailer 20
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$1,940 USD
View
B
Retailer 21
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$2,140 USD
View
Most Expensive
B
Brilliant Earth
21803362A · Oct 31
$2,670 USD
View
21 more retailers have this diamond
Prices start from $223 USDSave up to $2,447 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
1.00ct Marquise
$223 USD