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 $251 USD
As of October 30, 2026
Save $1,004 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,255 USD 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 $251 to $1,255, a $1,004 spread on the same certified stone. MOH London lists it at $1,255. 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
Color
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

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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: Oct 30
Current: $1,255 USD|Low: $241 USD|High: $1,262 USD|Avg: $644 USD|+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
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Retailer 18
October 31, 2026
Retailer 15$251 USD
Retailer 5$281 USD
Retailer 8$291 USD
Retailer 4$311 USD
Retailer 17$311 USD
Retailer 13$470 USD
Retailer 6$501 USD
Retailer 18$522 USD
Retailer 11$535 USD
Retailer 9$566 USD
Retailer 2$593 USD
Retailer 12$758 USD
Retailer 16$850 USD
Retailer 14$956 USD
Retailer 3$1,001 USD
Retailer 10$1,052 USD
Retailer 7$1,219 USD
MOH London$1,255 USD

44 data points across 18 retailers

18 retailers$251 USD to $1,255 USD

A
Cheapest Retailer
-
$251 USD
A
Retailer 2
-
$281 USD
View
Final sale: no returns
A
Retailer 3
-
$291 USD
View
A
Retailer 4
-
$311 USD
View
A
Retailer 5
-
$311 USD
View
A
Retailer 6
-
$470 USD
View
A
Retailer 7
-
$501 USD
View
B+
Retailer 8
-
$522 USD
View
A
Retailer 9
-
$535 USD
ZAR 8,640 ZAR
View
B+
Retailer 10
-
$566 USD
View
B+
Retailer 11
-
$593 USD
£467 GBP
View
B+
Retailer 12
-
$758 USD
A$1,166 AUD
View
B
Retailer 13
-
$850 USD
View
B
Retailer 14
-
$956 USD
View
B
Retailer 15
-
$1,001 USD
View
B
Retailer 16
-
$1,052 USD
View
B
Retailer 17
-
$1,219 USD
£960 GBP
View
Most Expensive
B
MOH London
LG645443562 · Oct 29
$1,255 USD
£988 GBP
View
17 more retailers have this diamond
Prices start from $251 USDSave up to $1,004 USD

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
$251 USD