Marquise|Lab Grown|IGI

1.28ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG833633809

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833633809

Diamond specifications and retailer prices

From $622 USD
As of November 4, 2026
15 retailers carry this diamond
Most expensive: $1,570 USD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG833633809 or 833633809. Listed at 15 retailers as of November 4, 2026. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833633809
Dimensions11.35 × 5.62 × 3.45 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.35 mm5.62 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833633809
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,570 USD|Low: $255 USD|High: $1,570 USD|Avg: $803 USD
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 9, 2026
Retailer 18$258 USD
Retailer 8$288 USD
Retailer 17$320 USD
Retailer 19$320 USD
Retailer 14$500 USD
Retailer 2$533 USD
Retailer 15$546 USD
Retailer 5$548 USD
Retailer 13$595 USD
Retailer 10$622 USD
Retailer 6$659 USD
Retailer 12$800 USD
Retailer 21$897 USD
Retailer 20$1,028 USD
Retailer 7$1,079 USD
Retailer 3$1,115 USD
Retailer 9$1,124 USD
Retailer 16$1,158 USD
Retailer 11$1,336 USD
Retailer 4$1,378 USD
Brilliant Earth$1,570 USD

19 data points across 21 retailers

15 retailers

Retailer 1
-
$258 USD
Price last confirmed 27 days ago
Retailer 2
-
$308 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$320 USD
View
Price last confirmed 27 days ago
Retailer 4
-
$320 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$533 USD
View
Price last confirmed 26 days ago
Retailer 6
-
$546 USD
View
Price last confirmed 27 days ago
B+
Retailer 7
-
$622 USD
View
Retailer 8
-
$800 USD
View
Price last confirmed 38 days ago
Retailer 9
-
$1,028 USD
View
Price last confirmed 27 days ago
Retailer 10
-
$1,079 USD
View
Price last confirmed 27 days ago
Retailer 11
-
$1,115 USD
View
Price last confirmed 28 days ago
Retailer 12
-
$1,158 USD
View
Price last confirmed 27 days ago
Retailer 13
-
$1,336 USD
View
Price last confirmed 30 days ago
Retailer 14
-
$1,378 USD
View
Price last confirmed 26 days ago
Most Expensive
Brilliant Earth
21145779A · Oct 8
$1,570 USD
View
Price last confirmed 27 days ago
14 more retailers have this diamond
Prices start from $622 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.

B+
1.28ct Marquise
$622 USD