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Marquise|Lab Grown|IGI

1.01ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790656833

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790656833

Diamond specifications and retailer prices

From $229 USD
As of October 30, 2026
Save $1,447 USD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,676 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790656833 or 790656833. Listed at 25 retailers as of October 27, 2026, with prices from $229 to $1,676, a $1,447 spread on the same certified stone. Queensmith lists it at $1,676. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790656833
Dimensions10.75 × 5.30 × 10.75 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.75 mm5.30 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790656833
Side View
Table 62.0%Crown 34.2°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.8%

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: Oct 30
Current: $623 USD|Low: $229 USD|High: $1,630 USD|Avg: $718 USD
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October 31, 2026
Retailer 5$229 USD
Retailer 9$256 USD
Retailer 22$266 USD
Retailer 4$284 USD
Retailer 10$284 USD
Retailer 21$320 USD
Retailer 11$382 USD
Retailer 17$469 USD
Retailer 19$489 USD
Retailer 16$536 USD
Retailer 3$572 USD
Retailer 7$592 USD
Retailer 1$623 USD
Retailer 20$694 USD
Retailer 2$744 USD
Retailer 14$765 USD
Retailer 6$914 USD
Retailer 8$967 USD
Retailer 15$1,051 USD
Retailer 18$1,146 USD
Retailer 13$1,287 USD
Retailer 12$1,360 USD

39 data points across 22 retailers

25 retailers$229 USD to $1,676 USD

A
Cheapest Retailer
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$229 USD
A
Retailer 2
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$256 USD
View
Final sale: no returns
A
Retailer 3
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$266 USD
View
A
Retailer 4
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$284 USD
View
A
Retailer 5
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$284 USD
View
A
Retailer 6
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$320 USD
HK$2,500 HKD
View
A
Retailer 7
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$382 USD
View
A
Retailer 8
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$469 USD
€447 EUR
View
A
Retailer 9
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$489 USD
ZAR 7,892 ZAR
View
A
Retailer 10
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$536 USD
£422 GBP
View
A
Retailer 11
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$572 USD
View
A
Retailer 12
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$592 USD
View
A
Retailer 13
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$623 USD
A$958 AUD
View
B+
Retailer 14
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$694 USD
A$1,067 AUD
View
B+
Retailer 15
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$744 USD
View
B+
Retailer 16
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$765 USD
SGD 1,034 SGD
View
Retailer 17
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$772 USD
View
Price last confirmed 14 days ago
B+
Retailer 18
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$914 USD
View
B+
Retailer 19
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$967 USD
View
Retailer 20
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$1,051 USD
A$1,617 AUD
View
Price last confirmed 29 days ago
B+
Retailer 21
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$1,146 USD
£902 GBP
View
B
Retailer 22
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$1,287 USD
View
B
Retailer 23
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$1,360 USD
View
Retailer 24
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$1,590 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Queensmith
LG790656833 · Oct 27
$1,676 USD
£1,320 GBP
View
24 more retailers have this diamond
Prices start from $229 USDSave up to $1,447 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
1.01ct Marquise
$229 USD