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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG845607037

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845607037

Diamond specifications and retailer prices

From $230 USD
As of November 2, 2026
Save $1,570 USD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,800 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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), with a top-tier cut grade and certified by IGI LG845607037 or 845607037. Listed at 17 retailers as of November 2, 2026, with prices from $230 to $1,800, a $1,570 spread on the same certified stone. Brilliant Earth lists it at $1,800. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845607037
Dimensions11.30 × 5.19 × 3.22 mm
L/W Ratio2.18
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.30 mm5.19 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845607037
Side View
Table 62.0%Crown 38.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.0%

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: Nov 2
Current: $918 USD|Low: $230 USD|High: $1,284 USD|Avg: $681 USD|-1.8%
Retailer 1
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
November 2, 2026
Retailer 10$230 USD
Retailer 8$259 USD
Retailer 13$266 USD
Retailer 3$287 USD
Retailer 9$301 USD
Retailer 16$388 USD
Retailer 14$495 USD
Retailer 12$536 USD
Retailer 2$597 USD
Retailer 6$650 USD
Retailer 1$918 USD
Retailer 4$922 USD
Retailer 7$974 USD
Retailer 5$993 USD
Retailer 15$1,149 USD
Retailer 11$1,255 USD

6 data points across 16 retailers

17 retailers$230 USD to $1,800 USD

A
Cheapest Retailer
-
$230 USD
A
Retailer 2
-
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$266 USD
View
A
Retailer 4
-
$287 USD
View
A
Retailer 5
-
$301 USD
£237 GBP
View
A
Retailer 6
-
$388 USD
View
A
Retailer 7
-
$495 USD
ZAR 7,998 ZAR
View
A
Retailer 8
-
$536 USD
£422 GBP
View
A
Retailer 9
-
$597 USD
View
A
Retailer 10
-
$650 USD
View
B+
Retailer 11
-
$918 USD
View
B+
Retailer 12
-
$922 USD
View
B+
Retailer 13
-
$974 USD
View
B+
Retailer 14
-
$993 USD
View
B+
Retailer 15
-
$1,149 USD
£905 GBP
View
B+
Retailer 16
-
$1,255 USD
SGD 1,696 SGD
View
Most Expensive
B
Brilliant Earth
22400591A · Nov 2
$1,800 USD
View
16 more retailers have this diamond
Prices start from $230 USDSave up to $1,570 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
$230 USD