Marquise|Lab Grown|IGI

1.28ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG834609194

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG834609194

Diamond specifications and retailer prices

From $221 USD
As of October 30, 2026
Save $880 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,101 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG834609194 or 834609194. Listed at 10 retailers as of October 26, 2026, with prices from $221 to $1,101, a $880 spread on the same certified stone. MOH London lists it at $1,101. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834609194
Dimensions11.53 × 5.79 × 3.44 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
11.53 mm5.79 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834609194
Side View
Table 63.0%Crown 37°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 59.4%

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: $1,101 USD|Low: $212 USD|High: $1,113 USD|Avg: $675 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 7$221 USD
Retailer 10$257 USD
Retailer 4$307 USD
Retailer 9$468 USD
Retailer 12$500 USD
Retailer 2$671 USD
Retailer 8$882 USD
Retailer 6$885 USD
Retailer 5$889 USD
Retailer 11$916 USD
Retailer 3$920 USD
MOH London$1,101 USD

15 data points across 12 retailers

10 retailers$221 USD to $1,101 USD

A
Cheapest Retailer
-
$221 USD
A
Retailer 2
-
$257 USD
View
A
Retailer 3
-
$307 USD
HK$2,400 HKD
View
A
Retailer 4
-
$468 USD
View
B+
Retailer 5
-
$671 USD
A$1,032 AUD
View
B
Retailer 6
-
$882 USD
View
B
Retailer 7
-
$885 USD
View
B
Retailer 8
-
$889 USD
SGD 1,202 SGD
View
Retailer 9
-
$920 USD
View
Price last confirmed 39 days ago
Most Expensive
B
MOH London
LG834609194 · Oct 26
$1,101 USD
£867 GBP
View
9 more retailers have this diamond
Prices start from $221 USDSave up to $880 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
1.28ct Marquise
$221 USD