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Radiant|Lab Grown|IGI

1.28ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG649472587

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

Certificate IGI LG649472587

Diamond specifications and retailer prices

From $379 SGD
As of November 4, 2026
Save $2,980 SGD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,359 SGD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG649472587 or 649472587. Listed at 22 retailers as of November 4, 2026, with prices from $379 to $3,359, a $2,980 spread on the same certified stone. Do Amore Diamonds lists it at $3,359. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649472587
Dimensions7.38 × 5.48 × 3.70 mm
L/W Ratio1.35
Culet sizePointed
Top View
7.38 mm5.48 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649472587
Side View
Table 63.0%Crown 46.4°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.5%

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: $3,359 SGD|Low: $379 SGD|High: $3,359 SGD|Avg: $1,303 SGD
Do Amore Diamonds
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 6, 2026
Retailer 7$379 SGD
Retailer 6$439 SGD
Retailer 3$470 SGD
Retailer 5$470 SGD
Retailer 9$544 SGD
Retailer 14$671 SGD
Retailer 11$894 SGD
Retailer 2$918 SGD
Retailer 10$1,275 SGD
Retailer 15$1,342 SGD
Retailer 4$1,443 SGD
Retailer 16$1,590 SGD
Retailer 8$1,667 SGD
Retailer 12$2,077 SGD
Retailer 13$2,823 SGD
Do Amore Diamonds$3,359 SGD

35 data points across 16 retailers

22 retailers$379 SGD to $3,359 SGD

A
Cheapest Retailer
-
$379 SGD
A
Retailer 2
-
$430 SGD
View
Final sale: no returns
A
Retailer 3
-
$439 SGD
View
Retailer 4
-
$470 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$470 SGD
View
A
Retailer 6
-
$544 SGD
View
A
Retailer 7
-
$626 SGD
View
A
Retailer 8
-
$671 SGD
View
A
Retailer 9
-
$674 SGD
View
A
Retailer 10
-
$894 SGD
View
A
Retailer 11
-
$907 SGD
View
A
Retailer 12
-
$918 SGD
View
B+
Retailer 13
-
$1,275 SGD
View
Retailer 14
-
$1,342 SGD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$1,443 SGD
View
Retailer 16
-
$1,590 SGD
View
Price last confirmed 16 days ago
B+
Retailer 17
-
$1,667 SGD
View
B
Retailer 18
-
$1,873 SGD
View
B
Retailer 19
-
$2,023 SGD
View
B+
Retailer 20
-
$2,077 SGD
View
B
Retailer 21
-
$2,823 SGD
View
Most Expensive
B
Do Amore Diamonds
27-D4D6C7715 · Nov 5
$3,359 SGD
$2,630 USD
View
21 more retailers have this diamond
Prices start from $379 SGDSave up to $2,980 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
$379 SGD