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Emerald|Lab Grown|IGI

1.28ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG555272628

Shape and cutting style on the report: Emerald cut

Certificate IGI LG555272628

Diamond specifications and retailer prices

From $298 SGD
As of November 4, 2026
Save $1,178 SGD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,175 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.28ct lab-grown emerald diamond

This 1.28ct lab-grown emerald 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 LG555272628 or 555272628. Listed at 17 retailers as of November 4, 2026, with a 396% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle31.3°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555272628
Dimensions7.73 × 5.12 × 3.29 mm
L/W Ratio1.51
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.73 mm5.12 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555272628
Side View
Table 63.5%Crown 31.3°Girdle: MediumPavilion 42°Culet: LargeDepth 64.3%

Caratlytics Score

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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 4
Current: $690 SGD|Low: $286 SGD|High: $1,498 SGD|Avg: $704 SGD|+2.3%
Retailer 1
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
November 5, 2026
Retailer 12$298 SGD
Retailer 6$332 SGD
Retailer 11$345 SGD
Retailer 2$369 SGD
Retailer 14$369 SGD
Retailer 4$624 SGD
Retailer 8$638 SGD
Retailer 1$690 SGD
Retailer 5$776 SGD
Retailer 10$901 SGD
Retailer 9$1,022 SGD
Retailer 13$1,187 SGD
Retailer 3$1,192 SGD
Retailer 7$1,476 SGD

46 data points across 14 retailers

17 retailers$298 SGD to $1,476 SGD

A
Cheapest Retailer
-
$298 SGD
A
Retailer 2
-
$332 SGD
View
Final sale: no returns
A
Retailer 3
-
$345 SGD
View
A
Retailer 4
-
$369 SGD
View
Retailer 5
-
$369 SGD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$624 SGD
View
B+
Retailer 7
-
$631 SGD
View
A
Retailer 8
-
$638 SGD
View
B+
Retailer 9
-
$690 SGD
View
B+
Retailer 10
-
$776 SGD
View
Retailer 11
-
$901 SGD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$1,022 SGD
View
B
Retailer 13
-
$1,187 SGD
View
B
Retailer 14
-
$1,192 SGD
View
B
Retailer 15
-
$1,254 SGD
View
B
Retailer 16
-
$1,476 SGD
View
Most Expensive
Queensmith
LG555272628 · Oct 27
$2,175 SGD
£1,340 GBP
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from $298 SGDSave up to $1,178 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 Emerald
$298 SGD