Marquise|Lab Grown|IGI

1.23ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG848691879

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848691879

Diamond specifications and retailer prices

From $290 USD
As of November 1, 2026
Save $820 USD (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,110 USD at MOH London · As of November 1, 2026
View at MOH London

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 LG848691879 or 848691879. Listed at 7 retailers as of November 1, 2026, with prices from $290 to $1,110, a $820 spread on the same certified stone. MOH London lists it at $1,110. 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
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848691879
Dimensions11.32 × 5.68 × 3.34 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
11.32 mm5.68 mm1.23 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG848691879
Side View
Table 64.0%Crown 34.9°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 58.8%

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: Nov 1
Current: $1,110 USD|Low: $290 USD|High: $1,111 USD|Avg: $641 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$290 USD
Retailer 2$432 USD
Retailer 4$447 USD
Retailer 3$799 USD
Retailer 5$817 USD
MOH London$1,110 USD

8 data points across 6 retailers

7 retailers$290 USD to $1,110 USD

B+
Cheapest Retailer
-
$290 USD
A
Retailer 2
-
$432 USD
£340 GBP
View
A
Retailer 3
-
$447 USD
View
B+
Retailer 4
-
$630 USD
View
B
Retailer 5
-
$799 USD
View
B
Retailer 6
-
$817 USD
View
Most Expensive
B
MOH London
LG848691879 · Nov 1
$1,110 USD
£874 GBP
View
6 more retailers have this diamond
Prices start from $290 USDSave up to $820 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
$290 USD