CaratHunter
Plans
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 $275 SGD
$215 USD
As of November 2, 2026
Save $1,094 SGD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,369 SGD at MOH London · As of November 1, 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 November 1, 2026, with prices from $275 to $1,369, a $1,094 spread on the same certified stone. MOH London lists it at $1,369. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,369 SGD|Low: $265 SGD|High: $1,385 SGD|Avg: $699 SGD|-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
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 13$275 SGD
Retailer 7$320 SGD
Retailer 6$341 SGD
Retailer 15$341 SGD
Retailer 3$411 SGD
Retailer 10$567 SGD
Retailer 8$590 SGD
Retailer 2$628 SGD
Retailer 14$713 SGD
Retailer 12$835 SGD
Retailer 5$888 SGD
Retailer 11$933 SGD
Retailer 4$1,099 SGD
Retailer 9$1,241 SGD
MOH London$1,369 SGD

36 data points across 15 retailers

21 retailers$275 SGD to $1,369 SGD

A
Cheapest Retailer
-
$275 SGD
$215 USD
A
Retailer 2
-
$320 SGD
$250 USD
View
A
Retailer 3
-
$341 SGD
$267 USD
View
Retailer 4
-
$341 SGD
$267 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$411 SGD
£253 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$460 SGD
$360 USD
View
A
Retailer 7
-
$567 SGD
€422 EUR
View
A
Retailer 8
-
$590 SGD
ZAR 7,452 ZAR
View
A
Retailer 9
-
$625 SGD
$489 USD
View
A
Retailer 10
-
$628 SGD
£387 GBP
View
B+
Retailer 11
-
$713 SGD
A$858 AUD
View
B+
Retailer 12
-
$751 SGD
$587 USD
View
B+
Retailer 13
-
$835 SGD
A$1,005 AUD
View
B+
Retailer 14
-
$888 SGD
$694 USD
View
B+
Retailer 15
-
$933 SGD
A$1,122 AUD
View
B
Retailer 16
-
$1,099 SGD
$859 USD
View
B
Retailer 17
-
$1,166 SGD
$912 USD
View
B
Retailer 18
-
$1,171 SGD
$916 USD
View
B
Retailer 19
-
$1,241 SGD
$970 USD
View
B
Retailer 20
-
$1,325 SGD
£816 GBP
View
Most Expensive
B
MOH London
LG769673857 · Nov 1
$1,369 SGD
£843 GBP
View
20 more retailers have this diamond
Prices start from $275 SGDSave up to $1,094 SGD

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
$275 SGD