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Marquise|Lab Grown|IGI

1.28ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG769673857

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG769673857

Diamond specifications and retailer prices

From $215 USD
As of October 30, 2026
Save $862 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,077 USD at MOH London · As of October 29, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG769673857 or 769673857. Listed at 21 retailers as of October 29, 2026, with prices from $215 to $1,077, a $862 spread on the same certified stone. MOH London lists it at $1,077. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769673857
Dimensions11.49 × 5.72 × 3.47 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.49 mm5.72 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769673857
Side View
Table 59.0%Crown 33.7°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 60.7%

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: $1,077 USD|Low: $207 USD|High: $1,083 USD|Avg: $559 USD|-0.6%
MOH London
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
October 31, 2026
Retailer 13$215 USD
Retailer 7$250 USD
Retailer 6$267 USD
Retailer 15$267 USD
Retailer 3$321 USD
Retailer 9$443 USD
Retailer 10$459 USD
Retailer 2$495 USD
Retailer 14$558 USD
Retailer 12$653 USD
Retailer 5$694 USD
Retailer 11$729 USD
Retailer 4$859 USD
Retailer 8$970 USD
MOH London$1,077 USD

35 data points across 15 retailers

21 retailers$215 USD to $1,077 USD

A
Cheapest Retailer
-
$215 USD
A
Retailer 2
-
$250 USD
View
A
Retailer 3
-
$267 USD
View
A
Retailer 4
-
$267 USD
View
Retailer 5
-
$321 USD
£253 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$360 USD
View
A
Retailer 7
-
$443 USD
€422 EUR
View
A
Retailer 8
-
$459 USD
ZAR 7,415 ZAR
View
A
Retailer 9
-
$489 USD
View
A
Retailer 10
-
$495 USD
£390 GBP
View
B+
Retailer 11
-
$558 USD
A$858 AUD
View
B+
Retailer 12
-
$587 USD
View
B+
Retailer 13
-
$653 USD
A$1,005 AUD
View
B+
Retailer 14
-
$694 USD
View
B+
Retailer 15
-
$729 USD
A$1,122 AUD
View
B
Retailer 16
-
$859 USD
View
B
Retailer 17
-
$912 USD
View
B
Retailer 18
-
$916 USD
View
B
Retailer 19
-
$970 USD
View
B
Retailer 20
-
$1,036 USD
£816 GBP
View
Most Expensive
B
MOH London
LG769673857 · Oct 29
$1,077 USD
£848 GBP
View
20 more retailers have this diamond
Prices start from $215 USDSave up to $862 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
$215 USD