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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

E/IF • IGI LG783642363

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG783642363

Diamond specifications and retailer prices

From $261 USD
As of October 30, 2026
Save $1,126 USD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,387 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG783642363 or 783642363. Listed at 22 retailers as of October 30, 2026, with prices from $261 to $1,387, a $1,126 spread on the same certified stone. Reve Diamonds lists it at $1,387. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783642363
Dimensions11.23 × 5.36 × 3.30 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.23 mm5.36 mm1.09 ctE / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783642363
Side View
Table 57.0%Crown 32.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.6%

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: $1,295 USD|Low: $248 USD|High: $1,387 USD|Avg: $708 USD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
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Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Reve Diamonds
November 1, 2026
Retailer 20$261 USD
Retailer 18$291 USD
Retailer 9$302 USD
Retailer 4$323 USD
Retailer 7$323 USD
Retailer 17$485 USD
Retailer 6$539 USD
Retailer 14$548 USD
Retailer 16$555 USD
Retailer 3$569 USD
Retailer 12$618 USD
Retailer 11$629 USD
Retailer 19$661 USD
Retailer 15$787 USD
Retailer 5$861 USD
Retailer 2$1,039 USD
Retailer 8$1,090 USD
Retailer 13$1,144 USD
Retailer 10$1,205 USD
Retailer 1$1,295 USD
Reve Diamonds$1,387 USD

37 data points across 21 retailers

22 retailers$261 USD to $1,387 USD

A
Cheapest Retailer
-
$261 USD
A
Retailer 2
-
$291 USD
View
Final sale: no returns
A
Retailer 3
-
$302 USD
View
Retailer 4
-
$323 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$323 USD
View
A
Retailer 6
-
$485 USD
View
B+
Retailer 7
-
$539 USD
View
A
Retailer 8
-
$548 USD
€522 EUR
View
A
Retailer 9
-
$555 USD
ZAR 8,973 ZAR
View
B+
Retailer 10
-
$569 USD
View
B+
Retailer 11
-
$618 USD
£487 GBP
View
B+
Retailer 12
-
$629 USD
A$968 AUD
View
B+
Retailer 13
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$661 USD
View
B+
Retailer 14
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$787 USD
A$1,210 AUD
View
B+
Retailer 15
-
$861 USD
View
B
Retailer 16
-
$1,039 USD
View
B
Retailer 17
-
$1,090 USD
View
Retailer 18
-
$1,144 USD
A$1,760 AUD
View
Price last confirmed 27 days ago
B
Retailer 19
-
$1,194 USD
View
Retailer 20
-
$1,205 USD
View
Price last confirmed 18 days ago
B
Retailer 21
-
$1,295 USD
£1,020 GBP
View
Most Expensive
B
Reve Diamonds
F427FFDC1 · Nov 1
$1,387 USD
View
21 more retailers have this diamond
Prices start from $261 USDSave up to $1,126 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
1.09ct Marquise
$261 USD