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Princess|Lab Grown|IGI

1.28ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG645443562

Shape and cutting style on the report: Princess cut

Certificate IGI LG645443562

Diamond specifications and retailer prices

From $321 SGD
$251 USD
As of October 30, 2026
Save $1,283 SGD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,604 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown princess diamond

This 1.28ct lab-grown princess 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 LG645443562 or 645443562. Listed at 18 retailers as of October 29, 2026, with prices from $321 to $1,604, a $1,283 spread on the same certified stone. MOH London lists it at $1,604. 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 angle47.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645443562
Dimensions5.97 × 5.82 × 4.11 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.97 mm5.82 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645443562
Side View
Table 73.0%Crown 47.5°Girdle: MediumPavilion 37.6°Culet: NoneDepth 70.6%

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 30
Current: $1,604 SGD|Low: $308 SGD|High: $1,614 SGD|Avg: $823 SGD|+4.8%
MOH London
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 15$321 SGD
Retailer 5$359 SGD
Retailer 8$372 SGD
Retailer 4$398 SGD
Retailer 17$398 SGD
Retailer 13$601 SGD
Retailer 6$640 SGD
Retailer 18$667 SGD
Retailer 11$684 SGD
Retailer 9$724 SGD
Retailer 2$758 SGD
Retailer 12$969 SGD
Retailer 16$1,087 SGD
Retailer 14$1,222 SGD
Retailer 3$1,280 SGD
Retailer 10$1,345 SGD
Retailer 7$1,559 SGD
MOH London$1,604 SGD

43 data points across 18 retailers

18 retailers$321 SGD to $1,604 SGD

A
Cheapest Retailer
-
$321 SGD
$251 USD
A
Retailer 2
-
$359 SGD
$281 USD
View
Final sale: no returns
A
Retailer 3
-
$372 SGD
$291 USD
View
Retailer 4
-
$398 SGD
$311 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$398 SGD
$311 USD
View
A
Retailer 6
-
$601 SGD
$470 USD
View
A
Retailer 7
-
$640 SGD
$501 USD
View
B+
Retailer 8
-
$667 SGD
$522 USD
View
A
Retailer 9
-
$684 SGD
ZAR 8,640 ZAR
View
B+
Retailer 10
-
$724 SGD
$566 USD
View
B+
Retailer 11
-
$758 SGD
£467 GBP
View
B+
Retailer 12
-
$969 SGD
A$1,166 AUD
View
B
Retailer 13
-
$1,087 SGD
$850 USD
View
B
Retailer 14
-
$1,222 SGD
$956 USD
View
B
Retailer 15
-
$1,280 SGD
$1,001 USD
View
B
Retailer 16
-
$1,345 SGD
$1,052 USD
View
B
Retailer 17
-
$1,559 SGD
£960 GBP
View
Most Expensive
B
MOH London
LG645443562 · Oct 29
$1,604 SGD
£988 GBP
View
17 more retailers have this diamond
Prices start from $321 SGDSave up to $1,283 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 Princess
$321 SGD