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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG836665002

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

Certificate IGI LG836665002

Diamond specifications and retailer prices

From $250 SGD
$195 USD
As of October 27, 2026
Save $1,314 SGD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,564 SGD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG836665002 or 836665002. Listed at 19 retailers as of October 26, 2026, with prices from $250 to $1,564, a $1,314 spread on the same certified stone. Brilliant Earth lists it at $1,564. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836665002
Dimensions7.81 × 5.26 × 3.62 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.26 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836665002
Side View
Table 65.0%Crown 45.1°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.8%

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: $1,564 SGD|Low: $250 SGD|High: $1,564 SGD|Avg: $724 SGD
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 29, 2026
Retailer 3$250 SGD
Retailer 4$278 SGD
Retailer 18$290 SGD
Retailer 16$310 SGD
Retailer 17$310 SGD
Retailer 13$390 SGD
Retailer 14$532 SGD
Retailer 5$541 SGD
Retailer 2$564 SGD
Retailer 8$613 SGD
Retailer 19$724 SGD
Retailer 15$756 SGD
Retailer 11$827 SGD
Retailer 10$996 SGD
Retailer 7$998 SGD
Retailer 9$1,064 SGD
Retailer 12$1,455 SGD
Retailer 6$1,509 SGD
Brilliant Earth$1,564 SGD

9 data points across 19 retailers

19 retailers$250 SGD to $1,564 SGD

A
Cheapest Retailer
-
$250 SGD
$195 USD
A
Retailer 2
-
$278 SGD
$217 USD
View
Final sale: no returns
A
Retailer 3
-
$290 SGD
$226 USD
View
A
Retailer 4
-
$310 SGD
$242 USD
View
A
Retailer 5
-
$310 SGD
$242 USD
View
A
Retailer 6
-
$390 SGD
£240 GBP
View
A
Retailer 7
-
$532 SGD
ZAR 6,703 ZAR
View
A
Retailer 8
-
$541 SGD
$422 USD
View
A
Retailer 9
-
$564 SGD
£346 GBP
View
A
Retailer 10
-
$613 SGD
$478 USD
View
B+
Retailer 11
-
$724 SGD
$565 USD
View
B+
Retailer 12
-
$756 SGD
A$907 AUD
View
Retailer 13
-
$827 SGD
$645 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$996 SGD
$777 USD
View
B
Retailer 15
-
$998 SGD
$779 USD
View
B
Retailer 16
-
$1,064 SGD
$830 USD
View
B
Retailer 17
-
$1,455 SGD
£894 GBP
View
B
Retailer 18
-
$1,509 SGD
$1,177 USD
View
Most Expensive
B
Brilliant Earth
22221917A · Oct 26
$1,564 SGD
$1,220 USD
View
18 more retailers have this diamond
Prices start from $250 SGDSave up to $1,314 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
$250 SGD