Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG845651300

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845651300

Diamond specifications and retailer prices

From $241 USD
As of November 4, 2026
Save $1,002 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,243 USD at Reve Diamonds · As of November 4, 2026
View at Reve 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 LG845651300 or 845651300. Listed at 12 retailers as of November 4, 2026, with prices from $241 to $1,243, a $1,002 spread on the same certified stone. Reve Diamonds lists it at $1,243. 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 angle35.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845651300
Dimensions10.95 × 5.70 × 3.58 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.95 mm5.70 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845651300
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.8%

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 4
Current: $356 USD|Low: $241 USD|High: $1,243 USD|Avg: $712 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 4, 2026
Retailer 5$241 USD
Retailer 1$356 USD
Retailer 2$457 USD
Retailer 10$461 USD
Retailer 4$490 USD
Retailer 9$516 USD
Retailer 7$653 USD
Retailer 8$862 USD
Retailer 11$911 USD
Retailer 3$1,020 USD
Retailer 6$1,070 USD
Reve Diamonds$1,243 USD

5 data points across 12 retailers

12 retailers$241 USD to $1,243 USD

A
Cheapest Retailer
-
$241 USD
Final sale: no returns
A
Retailer 2
-
$356 USD
View
A
Retailer 3
-
$457 USD
View
A
Retailer 4
-
$461 USD
View
A
Retailer 5
-
$490 USD
View
A
Retailer 6
-
$516 USD
View
B+
Retailer 7
-
$653 USD
View
B
Retailer 8
-
$862 USD
View
B
Retailer 9
-
$911 USD
View
B
Retailer 10
-
$1,020 USD
View
B
Retailer 11
-
$1,070 USD
View
Most Expensive
B
Reve Diamonds
CB8C54B6C · Nov 4
$1,243 USD
View
11 more retailers have this diamond
Prices start from $241 USDSave up to $1,002 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
$241 USD