Princess|Lab Grown|IGI

1.28ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG814601740

Shape and cutting style on the report: Princess cut

Certificate IGI LG814601740

Diamond specifications and retailer prices

From $290 USD
As of November 6, 2026
Save $2,020 USD (87%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $2,510 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 LG814601740 or 814601740. Listed at 29 retailers as of November 6, 2026, with a 697% 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
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814601740
Dimensions6.02 × 5.90 × 4.07 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.02 mm5.90 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814601740
Side View
Table 72.0%Crown 39.2°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.0%

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: $755 USD|Low: $260 USD|High: $1,442 USD|Avg: $730 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 4$260 USD
Retailer 8$411 USD
Retailer 9$475 USD
Retailer 12$480 USD
Retailer 10$603 USD
Retailer 11$620 USD
Retailer 2$720 USD
Retailer 1$755 USD
Retailer 13$872 USD
Retailer 5$929 USD
Retailer 3$990 USD
Retailer 7$1,417 USD
Retailer 6$1,418 USD

39 data points across 13 retailers

29 retailers$290 USD to $2,310 USD

Retailer 1
-
$250 USD
Price last confirmed 36 days ago
Retailer 2
-
$260 USD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$290 USD
View
Final sale: no returns
Retailer 4
-
$302 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$322 USD
View
Price last confirmed 26 days ago
Retailer 6
-
$322 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$322 USD
View
Price last confirmed 35 days ago
Retailer 8
-
$322 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$411 USD
View
A
Retailer 10
-
$411 USD
View
A
Retailer 11
-
$432 USD
View
A
Retailer 12
-
$475 USD
View
A
Retailer 13
-
$480 USD
View
A
Retailer 14
-
$603 USD
View
B+
Retailer 15
-
$620 USD
View
Retailer 16
-
$720 USD
View
Price last confirmed 20 days ago
B+
Retailer 17
-
$755 USD
View
B+
Retailer 18
-
$872 USD
View
Retailer 19
-
$929 USD
View
Price last confirmed 13 days ago
B
Retailer 20
-
$990 USD
View
B
Retailer 21
-
$1,144 USD
View
Retailer 22
-
$1,144 USD
View
Price last confirmed 38 days ago
Retailer 23
-
$1,144 USD
View
Price last confirmed 31 days ago
B
Retailer 24
-
$1,309 USD
View
B
Retailer 25
-
$1,382 USD
View
B
Retailer 26
-
$1,417 USD
View
B
Retailer 27
-
$1,418 USD
View
B
Retailer 28
-
$2,310 USD
View
Most Expensive
Do Amore Diamonds
23-814601740 · Nov 6
$2,510 USD
View
Price under review
28 more retailers have this diamond
Prices start from $290 USDSave up to $2,020 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
$290 USD