Marquise|Lab Grown|IGI

1.01ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG831604026

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831604026

Diamond specifications and retailer prices

From $255 USD
As of October 30, 2026
Save $1,735 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,010 USD at Rare Carat · As of September 30, 2026
View at Rare Carat

About this 1.01ct lab-grown marquise diamond

This 1.01ct 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 LG831604026 or 831604026. Listed at 23 retailers as of October 30, 2026, with a 680% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604026
Dimensions10.29 × 5.28 × 3.33 mm
L/W Ratio1.95
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
10.29 mm5.28 mm1.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604026
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

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: $598 USD|Low: $255 USD|High: $2,710 USD|Avg: $830 USD|-17.0%
Retailer 1
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Retailer 20
October 31, 2026
Retailer 16$255 USD
Retailer 6$284 USD
Retailer 3$316 USD
Retailer 18$326 USD
Retailer 4$346 USD
Retailer 13$380 USD
Retailer 5$410 USD
Retailer 14$432 USD
Retailer 12$559 USD
Retailer 20$568 USD
Retailer 1$598 USD
Retailer 10$657 USD
Retailer 9$697 USD
Retailer 8$848 USD
Retailer 11$957 USD
Retailer 2$1,068 USD
Retailer 19$1,109 USD
Retailer 7$1,274 USD
Retailer 17$1,369 USD
Retailer 15$1,990 USD

30 data points across 20 retailers

23 retailers$255 USD to $1,990 USD

A
Cheapest Retailer
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$255 USD
A
Retailer 2
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$284 USD
View
Final sale: no returns
A
Retailer 3
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$316 USD
View
A
Retailer 4
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$326 USD
£257 GBP
View
A
Retailer 5
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$346 USD
HK$2,700 HKD
View
A
Retailer 6
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$380 USD
View
A
Retailer 7
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$406 USD
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A
Retailer 8
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$410 USD
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A
Retailer 9
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$432 USD
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A
Retailer 10
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$559 USD
View
A
Retailer 11
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$568 USD
View
A
Retailer 12
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$598 USD
£471 GBP
View
B+
Retailer 13
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$657 USD
€626 EUR
View
B+
Retailer 14
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$697 USD
ZAR 11,263 ZAR
View
B+
Retailer 15
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$848 USD
SGD 1,146 SGD
View
B+
Retailer 16
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$957 USD
View
B
Retailer 17
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$1,068 USD
View
B
Retailer 18
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$1,109 USD
View
B
Retailer 19
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$1,274 USD
£1,003 GBP
View
B
Retailer 20
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$1,304 USD
View
B
Retailer 21
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$1,369 USD
View
B
Retailer 22
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$1,990 USD
View
Most Expensive
Rare Carat
PE0266040PA831 · Sep 30
$2,010 USD
View
Price last confirmed 31 days ago
22 more retailers have this diamond
Prices start from $255 USDSave up to $1,735 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
1.01ct Marquise
$255 USD