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Radiant|Lab Grown|IGI

1.28ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG770634043

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

Certificate IGI LG770634043

Diamond specifications and retailer prices

From $3,017 SGD
$2,360 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $3,017 SGD at Shane Co
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Shane Co

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770634043 or 770634043. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770634043
Dimensions7.87 × 5.33 × 3.60 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.87 mm5.33 mm1.28 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770634043
Side View
Table 62.0%Crown 45.2°Girdle: MediumPavilion 36.2°Culet: NoneDepth 67.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $1,876 SGD|Low: $281 SGD|High: $3,298 SGD|Avg: $1,340 SGD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Shane Co
September 18, 2026
Retailer 9$281 SGD
Retailer 6$621 SGD
Retailer 11$763 SGD
Retailer 4$908 SGD
Retailer 5$940 SGD
Retailer 3$1,239 SGD
Retailer 10$1,668 SGD
Retailer 1$1,876 SGD
Retailer 8$1,948 SGD
Retailer 7$1,966 SGD
Retailer 2$2,776 SGD
Shane Co$3,017 SGD

16 data points across 12 retailers

1 retailer

B
Shane Co
26E0TPZ · Oct 30
$3,017 SGD
$2,360 USD
View

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B
1.28ct Radiant
$3,017 SGD