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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG605341596

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

Certificate IGI LG605341596

Diamond specifications and retailer prices

From $272 SGD
$213 USD
As of November 1, 2026
Save $2,055 SGD (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,328 SGD at Do Amore Diamonds · As of November 2, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605341596 or 605341596. Listed at 14 retailers as of November 1, 2026, with prices from $272 to $2,328, a $2,055 spread on the same certified stone. Do Amore Diamonds lists it at $2,328. 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 angle36.3°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605341596
Dimensions7.63 × 5.46 × 3.60 mm
L/W Ratio1.40
Culet sizePointed
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
7.63 mm5.46 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605341596
Side View
Table 62.0%Crown 36.3°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.9%

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 1
Current: $2,328 SGD|Low: $184 SGD|High: $2,328 SGD|Avg: $880 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
November 2, 2026
Retailer 11$272 SGD
Retailer 3$478 SGD
Retailer 10$528 SGD
Retailer 6$574 SGD
Retailer 5$614 SGD
Retailer 12$619 SGD
Retailer 2$813 SGD
Retailer 9$878 SGD
Retailer 8$972 SGD
Retailer 4$1,289 SGD
Retailer 7$1,332 SGD
Do Amore Diamonds$2,328 SGD

41 data points across 12 retailers

14 retailers$272 SGD to $2,328 SGD

A
Cheapest Retailer
-
$272 SGD
$213 USD
Final sale: no returns
Retailer 2
-
$302 SGD
$236 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$478 SGD
$374 USD
View
A
Retailer 4
-
$528 SGD
$413 USD
View
A
Retailer 5
-
$574 SGD
ZAR 7,251 ZAR
View
A
Retailer 6
-
$614 SGD
£378 GBP
View
A
Retailer 7
-
$619 SGD
$484 USD
View
B+
Retailer 8
-
$813 SGD
A$978 AUD
View
Retailer 9
-
$878 SGD
A$1,056 AUD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
$972 SGD
$760 USD
View
Retailer 11
-
$1,069 SGD
$836 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
$1,289 SGD
$1,008 USD
View
B
Retailer 13
-
$1,332 SGD
£820 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D1F93F57A · Nov 2
$2,328 SGD
$1,820 USD
View
13 more retailers have this diamond
Prices start from $272 SGDSave up to $2,055 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
$272 SGD