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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG762551885

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

Certificate IGI LG762551885

Diamond specifications and retailer prices

From $294 SGD
$230 USD
As of November 2, 2026
Save $1,407 SGD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,031 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 LG762551885 or 762551885. Listed at 22 retailers as of November 2, 2026, with a 478% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762551885
Dimensions7.70 × 5.29 × 3.56 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm5.29 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762551885
Side View
Table 66.0%Crown 45.6°Girdle: MediumPavilion 34.6°Culet: NoneDepth 67.3%

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: Nov 2
Current: $482 SGD|Low: $283 SGD|High: $1,701 SGD|Avg: $847 SGD|-0.5%
Retailer 1
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 2$294 SGD
Retailer 4$330 SGD
Retailer 3$364 SGD
Retailer 1$482 SGD
Retailer 6$696 SGD
Retailer 5$768 SGD
Retailer 11$850 SGD
Retailer 10$942 SGD
Retailer 9$981 SGD
Retailer 12$1,178 SGD
Retailer 8$1,623 SGD
Retailer 7$1,701 SGD

44 data points across 12 retailers

22 retailers$294 SGD to $1,701 SGD

A
Cheapest Retailer
-
$294 SGD
$230 USD
A
Retailer 2
-
$330 SGD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$341 SGD
$267 USD
View
Retailer 4
-
$364 SGD
$285 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$364 SGD
$285 USD
View
A
Retailer 6
-
$482 SGD
£297 GBP
View
B+
Retailer 7
-
$490 SGD
$383 USD
View
A
Retailer 8
-
$490 SGD
$383 USD
View
B+
Retailer 9
-
$696 SGD
ZAR 8,788 ZAR
View
B+
Retailer 10
-
$768 SGD
£473 GBP
View
Retailer 11
-
$850 SGD
$665 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$942 SGD
A$1,133 AUD
View
B+
Retailer 13
-
$981 SGD
A$1,180 AUD
View
B
Retailer 14
-
$1,178 SGD
$921 USD
View
B
Retailer 15
-
$1,296 SGD
$1,013 USD
View
B
Retailer 16
-
$1,514 SGD
$1,184 USD
View
B
Retailer 17
-
$1,579 SGD
£972 GBP
View
B
Retailer 18
-
$1,623 SGD
£999 GBP
View
B
Retailer 19
-
$1,648 SGD
$1,289 USD
View
B
Retailer 20
-
$1,701 SGD
$1,330 USD
View
Retailer 21
-
$2,826 SGD
$2,210 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-762551885 · Nov 2
$3,031 SGD
$2,370 USD
View
Price under review
21 more retailers have this diamond
Prices start from $294 SGDSave up to $1,407 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
$294 SGD