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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG813657649

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG813657649

Diamond specifications and retailer prices

From $286 SGD
$223 USD
As of October 27, 2026
Save $1,208 SGD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,494 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant 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 LG813657649 or 813657649. Listed at 21 retailers as of October 27, 2026, with prices from $286 to $1,494, a $1,208 spread on the same certified stone. MOH London lists it at $1,494. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.6°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813657649
Dimensions7.30 × 5.46 × 3.72 mm
L/W Ratio1.34
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm5.46 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813657649
Side View
Table 67.0%Crown 25.6°Girdle: Slightly ThickPavilion 36.4°Culet: NoneDepth 68.1%

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 27
Current: $1,494 SGD|Low: $278 SGD|High: $1,496 SGD|Avg: $760 SGD|+3.5%
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
October 30, 2026
Retailer 5$286 SGD
Retailer 10$318 SGD
Retailer 8$546 SGD
Retailer 4$552 SGD
Retailer 13$557 SGD
Retailer 2$583 SGD
Retailer 6$615 SGD
Retailer 14$731 SGD
Retailer 9$776 SGD
Retailer 11$820 SGD
Retailer 12$846 SGD
Retailer 3$1,090 SGD
Retailer 7$1,243 SGD
MOH London$1,494 SGD

41 data points across 14 retailers

21 retailers$286 SGD to $1,494 SGD

Retailer 1
-
$249 SGD
$194 USD
Price last confirmed 30 days ago
Retailer 2
-
$255 SGD
$199 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$286 SGD
$223 USD
View
Final sale: no returns
Retailer 4
-
$288 SGD
$225 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$305 SGD
$238 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$317 SGD
$247 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$317 SGD
$247 USD
View
Price last confirmed 22 days ago
A
Retailer 8
-
$546 SGD
ZAR 6,878 ZAR
View
A
Retailer 9
-
$552 SGD
$431 USD
View
A
Retailer 10
-
$557 SGD
€414 EUR
View
A
Retailer 11
-
$583 SGD
£358 GBP
View
A
Retailer 12
-
$615 SGD
$480 USD
View
B+
Retailer 13
-
$731 SGD
$570 USD
View
B+
Retailer 14
-
$776 SGD
A$932 AUD
View
B+
Retailer 15
-
$820 SGD
$640 USD
View
Retailer 16
-
$846 SGD
$660 USD
View
Price last confirmed 11 days ago
Retailer 17
-
$1,016 SGD
$793 USD
View
Price last confirmed 22 days ago
B
Retailer 18
-
$1,022 SGD
$797 USD
View
B
Retailer 19
-
$1,090 SGD
$851 USD
View
B
Retailer 20
-
$1,243 SGD
$970 USD
View
Most Expensive
B
MOH London
LG813657649 · Oct 29
$1,494 SGD
£918 GBP
View
20 more retailers have this diamond
Prices start from $286 SGDSave up to $1,208 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 Radiant
$286 SGD