Marquise|Lab Grown|IGI

1.00ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG787624117

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787624117

Diamond specifications and retailer prices

From $237 USD
As of October 30, 2026
Save $1,503 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,893 USD at Rare Carat · As of August 17, 2026
View at Rare Carat

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 LG787624117 or 787624117. Listed at 22 retailers as of October 30, 2026, with a 634% 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

1.00
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787624117
Dimensions10.51 × 5.10 × 3.23 mm
L/W Ratio2.06
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
10.51 mm5.10 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787624117
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 63.3%

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: $275 USD|Low: $237 USD|High: $2,670 USD|Avg: $844 USD|-21.9%
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Retailer 21
November 1, 2026
Retailer 20$237 USD
Retailer 7$265 USD
Retailer 1$275 USD
Retailer 5$294 USD
Retailer 6$333 USD
Retailer 14$376 USD
Retailer 18$402 USD
Retailer 12$508 USD
Retailer 11$515 USD
Retailer 17$525 USD
Retailer 3$553 USD
Retailer 15$556 USD
Retailer 13$612 USD
Retailer 16$744 USD
Retailer 9$795 USD
Retailer 10$946 USD
Retailer 4$998 USD
Retailer 2$1,023 USD
Retailer 8$1,185 USD
Retailer 21$1,312 USD
Retailer 19$1,740 USD

37 data points across 21 retailers

22 retailers$237 USD to $1,740 USD

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Cheapest Retailer
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$237 USD
A
Retailer 2
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$265 USD
View
Final sale: no returns
A
Retailer 3
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$275 USD
View
A
Retailer 4
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$294 USD
View
A
Retailer 5
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$333 USD
HK$2,600 HKD
View
Retailer 6
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$376 USD
View
Price last confirmed 7 days ago
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Retailer 7
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$402 USD
View
A
Retailer 8
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$508 USD
ZAR 8,204 ZAR
View
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Retailer 9
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$515 USD
View
A
Retailer 10
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$525 USD
View
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Retailer 11
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$553 USD
View
A
Retailer 12
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$556 USD
£438 GBP
View
Retailer 13
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$612 USD
€583 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
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$744 USD
View
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Retailer 15
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$795 USD
SGD 1,074 SGD
View
B+
Retailer 16
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$946 USD
View
B+
Retailer 17
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$998 USD
View
B+
Retailer 18
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$1,023 USD
View
B+
Retailer 19
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$1,185 USD
£933 GBP
View
B
Retailer 20
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$1,312 USD
View
B
Retailer 21
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$1,740 USD
View
Most Expensive
Rare Carat
PE1176241PA787 · Aug 17
$1,893 USD
View
Price last confirmed 77 days ago
21 more retailers have this diamond
Prices start from $237 USDSave up to $1,503 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
$237 USD