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Princess|Lab Grown|IGI

1.28ct D VS1 Princess Lab Grown Diamond

EX • D/VS1 • IGI LG836678697

Shape and cutting style on the report: Princess cut

Certificate IGI LG836678697

Diamond specifications and retailer prices

From $255 USD
As of November 6, 2026
Save $1,525 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,780 USD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836678697 or 836678697. Listed at 22 retailers as of November 6, 2026, with prices from $255 to $1,780, a $1,525 spread on the same certified stone. Do Amore Diamonds lists it at $1,780. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836678697
Dimensions5.89 × 5.76 × 4.16 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.89 mm5.76 mm1.28 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836678697
Side View
Table 69.0%Crown 43.8°Girdle: ThickPavilion 38.1°Culet: NoneDepth 72.2%

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 6
Current: $1,780 USD|Low: $232 USD|High: $2,230 USD|Avg: $783 USD|-20.2%
Do Amore Diamonds
Retailer 2
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Retailer 21
November 7, 2026
Retailer 12$241 USD
Retailer 8$255 USD
Retailer 11$298 USD
Retailer 16$365 USD
Retailer 3$379 USD
Retailer 6$404 USD
Retailer 17$418 USD
Retailer 19$529 USD
Retailer 18$589 USD
Retailer 2$663 USD
Retailer 14$720 USD
Retailer 20$765 USD
Retailer 5$893 USD
Retailer 21$914 USD
Retailer 10$1,059 USD
Retailer 7$1,175 USD
Retailer 13$1,245 USD
Retailer 9$1,283 USD
Retailer 15$1,287 USD
Retailer 4$1,453 USD
Do Amore Diamonds$1,780 USD

30 data points across 21 retailers

22 retailers$255 USD to $1,780 USD

Retailer 1
-
$241 USD
Price last confirmed 17 days ago
A
Retailer 2
-
$255 USD
View
Final sale: no returns
Retailer 3
-
$288 USD
View
Price last confirmed 22 days ago
Retailer 4
-
$298 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$365 USD
View
B+
Retailer 6
-
$379 USD
View
A
Retailer 7
-
$404 USD
View
A
Retailer 8
-
$418 USD
View
A
Retailer 9
-
$529 USD
View
B+
Retailer 10
-
$589 USD
View
B+
Retailer 11
-
$663 USD
View
Retailer 12
-
$720 USD
View
Price last confirmed 20 days ago
B+
Retailer 13
-
$765 USD
View
Retailer 14
-
$893 USD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$914 USD
View
Retailer 16
-
$1,059 USD
View
Price last confirmed 16 days ago
B
Retailer 17
-
$1,175 USD
View
B
Retailer 18
-
$1,245 USD
View
B
Retailer 19
-
$1,283 USD
View
B
Retailer 20
-
$1,287 USD
View
B
Retailer 21
-
$1,453 USD
View
Most Expensive
B
Do Amore Diamonds
36-1977319 · Nov 6
$1,780 USD
View
21 more retailers have this diamond
Prices start from $255 USDSave up to $1,525 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
$255 USD