Marquise|Lab Grown|IGI

1.01ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG665406307

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG665406307

Diamond specifications and retailer prices

From $244 USD
As of October 30, 2026
Save $1,089 USD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,740 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

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 LG665406307 or 665406307. Listed at 22 retailers as of October 30, 2026, with a 446% 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665406307
Dimensions10.40 × 5.23 × 3.29 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.40 mm5.23 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665406307
Side View
Table 60.0%Crown 36.5°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 62.9%

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: $1,740 USD|Low: $232 USD|High: $1,740 USD|Avg: $710 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 3$244 USD
Retailer 12$283 USD
Retailer 7$302 USD
Retailer 10$302 USD
Retailer 14$320 USD
Retailer 8$508 USD
Retailer 16$519 USD
Retailer 5$532 USD
Retailer 18$540 USD
Retailer 13$573 USD
Retailer 20$576 USD
Retailer 2$603 USD
Retailer 17$737 USD
Retailer 6$798 USD
Retailer 4$971 USD
Retailer 11$1,023 USD
Retailer 15$1,044 USD
Retailer 19$1,212 USD
Retailer 9$1,333 USD
Brilliant Earth$1,740 USD

33 data points across 20 retailers

22 retailers$244 USD to $1,333 USD

A
Cheapest Retailer
-
$244 USD
A
Retailer 2
-
$280 USD
View
Final sale: no returns
A
Retailer 3
-
$283 USD
View
A
Retailer 4
-
$302 USD
View
A
Retailer 5
-
$302 USD
View
A
Retailer 6
-
$320 USD
£252 GBP
View
A
Retailer 7
-
$508 USD
View
A
Retailer 8
-
$519 USD
ZAR 8,385 ZAR
View
A
Retailer 9
-
$532 USD
View
A
Retailer 10
-
$540 USD
€514 EUR
View
A
Retailer 11
-
$573 USD
£451 GBP
View
A
Retailer 12
-
$576 USD
View
A
Retailer 13
-
$603 USD
A$928 AUD
View
B+
Retailer 14
-
$737 USD
A$1,134 AUD
View
B+
Retailer 15
-
$798 USD
View
B+
Retailer 16
-
$971 USD
View
B+
Retailer 17
-
$1,023 USD
View
B+
Retailer 18
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$1,044 USD
A$1,606 AUD
View
B
Retailer 19
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$1,106 USD
View
B+
Retailer 20
-
$1,212 USD
£954 GBP
View
B
Retailer 21
-
$1,333 USD
View
Most Expensive
Brilliant Earth
14264558A · Oct 23
$1,740 USD
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from $244 USDSave up to $1,089 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
$244 USD