Marquise|Lab Grown|IGI

1.23ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG845607242

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845607242

Diamond specifications and retailer prices

From $211 USD
As of November 1, 2026
Save $1,132 USD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,343 USD at Michael Trio · As of November 2, 2026
View at Michael Trio

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845607242 or 845607242. Listed at 13 retailers as of November 1, 2026, with prices from $211 to $1,343, a $1,132 spread on the same certified stone. Michael Trio lists it at $1,343. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845607242
Dimensions11.09 × 5.58 × 3.40 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.09 mm5.58 mm1.23 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845607242
Side View
Table 61.0%Crown 39.5°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 60.9%

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: Nov 1
Current: $1,343 USD|Low: $211 USD|High: $1,349 USD|Avg: $561 USD|-0.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 7$211 USD
Retailer 6$218 USD
Retailer 10$235 USD
Retailer 9$294 USD
Retailer 4$318 USD
Retailer 8$406 USD
Retailer 2$424 USD
Retailer 13$447 USD
Retailer 11$557 USD
Retailer 12$756 USD
Retailer 5$790 USD
Retailer 3$810 USD
Michael Trio$1,343 USD

4 data points across 13 retailers

13 retailers$211 USD to $1,343 USD

A
Cheapest Retailer
-
$211 USD
Final sale: no returns
A
Retailer 2
-
$218 USD
View
A
Retailer 3
-
$235 USD
View
A
Retailer 4
-
$294 USD
£232 GBP
View
B+
Retailer 5
-
$318 USD
View
A
Retailer 6
-
$406 USD
ZAR 6,556 ZAR
View
A
Retailer 7
-
$424 USD
£334 GBP
View
A
Retailer 8
-
$447 USD
View
B+
Retailer 9
-
$557 USD
View
B+
Retailer 10
-
$756 USD
View
B+
Retailer 11
-
$790 USD
View
B+
Retailer 12
-
$810 USD
View
Most Expensive
B
Michael Trio
1026511183 · Nov 2
$1,343 USD
SGD 1,815 SGD
View
12 more retailers have this diamond
Prices start from $211 USDSave up to $1,132 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
1.23ct Marquise
$211 USD