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Round|Lab Grown|IGI

1.28ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG816613634

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613634

Diamond specifications and retailer prices

From $245 SGD
As of November 5, 2026
Save $1,179 SGD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,424 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round 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 LG816613634 or 816613634. Listed at 20 retailers as of November 2, 2026, with prices from $245 to $1,424, a $1,179 spread on the same certified stone. MOH London lists it at $1,424. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613634
Dimensions7.02 × 6.98 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.02 mm6.98 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613634
Side View
Table 60.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.3%

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 5
Current: $1,424 SGD|Low: $245 SGD|High: $1,439 SGD|Avg: $662 SGD|+1.9%
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
Retailer 16
November 5, 2026
Retailer 3$245 SGD
Retailer 7$304 SGD
Retailer 16$304 SGD
Retailer 13$520 SGD
Retailer 12$525 SGD
Retailer 15$528 SGD
Retailer 6$533 SGD
Retailer 2$547 SGD
Retailer 14$554 SGD
Retailer 9$632 SGD
Retailer 11$742 SGD
Retailer 8$920 SGD
Retailer 4$978 SGD
Retailer 10$982 SGD
Retailer 5$1,047 SGD
MOH London$1,424 SGD

38 data points across 16 retailers

20 retailers$245 SGD to $1,424 SGD

Retailer 1
-
$229 SGD
Price last confirmed 35 days ago
A
Retailer 2
-
$245 SGD
View
Retailer 3
-
$276 SGD
View
Price last confirmed 30 days ago
Retailer 4
-
$295 SGD
View
Price last confirmed 34 days ago
Retailer 5
-
$304 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$304 SGD
View
A
Retailer 7
-
$520 SGD
View
A
Retailer 8
-
$525 SGD
View
A
Retailer 9
-
$533 SGD
View
A
Retailer 10
-
$547 SGD
View
A
Retailer 11
-
$554 SGD
View
B+
Retailer 12
-
$632 SGD
View
B+
Retailer 13
-
$742 SGD
View
B
Retailer 14
-
$783 SGD
View
B
Retailer 15
-
$920 SGD
View
Retailer 16
-
$949 SGD
View
Price last confirmed 36 days ago
B
Retailer 17
-
$978 SGD
View
B
Retailer 18
-
$982 SGD
View
B
Retailer 19
-
$1,047 SGD
View
Most Expensive
B
MOH London
LG816613634 · Nov 2
$1,424 SGD
£878 GBP
View
19 more retailers have this diamond
Prices start from $245 SGDSave up to $1,179 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 Round
$245 SGD