Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG828684821

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828684821

Diamond specifications and retailer prices

From $262 USD
As of November 4, 2026
Save $1,176 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,330 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise 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 LG828684821 or 828684821. Listed at 19 retailers as of November 3, 2026, with a 449% 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 angle35.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828684821
Dimensions10.81 × 5.79 × 3.67 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.81 mm5.79 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828684821
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,330 USD|Low: $262 USD|High: $2,330 USD|Avg: $838 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
November 4, 2026
Retailer 4$262 USD
Retailer 11$293 USD
Retailer 20$304 USD
Retailer 3$325 USD
Retailer 7$325 USD
Retailer 10$412 USD
Retailer 18$482 USD
Retailer 16$485 USD
Retailer 5$542 USD
Retailer 2$628 USD
Retailer 8$654 USD
Retailer 17$745 USD
Retailer 13$880 USD
Retailer 19$999 USD
Retailer 9$1,154 USD
Retailer 21$1,257 USD
Retailer 12$1,319 USD
Retailer 6$1,389 USD
Retailer 14$1,410 USD
Retailer 15$1,438 USD
Do Amore Diamonds$2,330 USD

25 data points across 21 retailers

19 retailers$262 USD to $1,438 USD

A
Cheapest Retailer
-
$262 USD
A
Retailer 2
-
$293 USD
View
Final sale: no returns
A
Retailer 3
-
$304 USD
View
Retailer 4
-
$325 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$325 USD
View
A
Retailer 6
-
$412 USD
View
A
Retailer 7
-
$485 USD
View
A
Retailer 8
-
$542 USD
View
B+
Retailer 9
-
$628 USD
View
B+
Retailer 10
-
$654 USD
View
Retailer 11
-
$745 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$880 USD
View
B
Retailer 13
-
$999 USD
View
B
Retailer 14
-
$1,154 USD
View
B
Retailer 15
-
$1,257 USD
View
B
Retailer 16
-
$1,319 USD
View
B
Retailer 17
-
$1,389 USD
View
B
Retailer 18
-
$1,438 USD
View
Most Expensive
Do Amore Diamonds
27-DA1C3A00D · Nov 4
$2,330 USD
View
Price under review
18 more retailers have this diamond
Prices start from $262 USDSave up to $1,176 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 Marquise
$262 USD