Marquise|Lab Grown|IGI

1.00ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG831604096

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831604096

Diamond specifications and retailer prices

From $239 USD
As of October 30, 2026
Save $1,521 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,760 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 LG831604096 or 831604096. Listed at 22 retailers as of October 30, 2026, with prices from $239 to $1,760, a $1,521 spread on the same certified stone. Brilliant Earth lists it at $1,760. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604096
Dimensions10.58 × 5.16 × 3.13 mm
L/W Ratio2.05
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
10.58 mm5.16 mm1.00 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604096
Side View
Table 57.0%Crown 35.4°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 60.7%

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: $1,760 USD|Low: $239 USD|High: $2,680 USD|Avg: $795 USD|-34.1%
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 20$239 USD
Retailer 7$266 USD
Retailer 5$296 USD
Retailer 13$305 USD
Retailer 6$333 USD
Retailer 12$363 USD
Retailer 15$388 USD
Retailer 19$405 USD
Retailer 18$527 USD
Retailer 14$545 USD
Retailer 3$554 USD
Retailer 16$560 USD
Retailer 11$630 USD
Retailer 10$667 USD
Retailer 17$749 USD
Retailer 8$799 USD
Retailer 9$951 USD
Retailer 4$1,003 USD
Retailer 22$1,030 USD
Retailer 2$1,186 USD
Retailer 21$1,317 USD
Brilliant Earth$1,760 USD

17 data points across 22 retailers

22 retailers$239 USD to $1,760 USD

A
Cheapest Retailer
-
$239 USD
A
Retailer 2
-
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$296 USD
View
A
Retailer 4
-
$305 USD
£240 GBP
View
A
Retailer 5
-
$333 USD
HK$2,600 HKD
View
A
Retailer 6
-
$363 USD
View
Retailer 7
-
$388 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$405 USD
View
A
Retailer 9
-
$527 USD
View
A
Retailer 10
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$545 USD
View
A
Retailer 11
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$554 USD
View
A
Retailer 12
-
$560 USD
£441 GBP
View
Retailer 13
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$630 USD
€600 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
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$667 USD
ZAR 10,774 ZAR
View
B+
Retailer 15
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$749 USD
View
B+
Retailer 16
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$799 USD
SGD 1,080 SGD
View
B+
Retailer 17
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$951 USD
View
B+
Retailer 18
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$1,003 USD
View
B
Retailer 19
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$1,030 USD
View
B
Retailer 20
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$1,186 USD
£934 GBP
View
B
Retailer 21
-
$1,317 USD
View
Most Expensive
B
Brilliant Earth
22154117A · Oct 31
$1,760 USD
View
21 more retailers have this diamond
Prices start from $239 USDSave up to $1,521 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
$239 USD