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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 $887 AUD
As of November 4, 2026
15 retailers carry this diamond
Most expensive: $2,238 AUD 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
Colour
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: $2,238 AUD|Low: $364 AUD|High: $2,238 AUD|Avg: $1,144 AUD
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$368 AUD
Retailer 8$411 AUD
Retailer 17$456 AUD
Retailer 19$456 AUD
Retailer 14$713 AUD
Retailer 2$760 AUD
Retailer 15$778 AUD
Retailer 5$781 AUD
Retailer 13$848 AUD
Retailer 10$887 AUD
Retailer 6$939 AUD
Retailer 12$1,140 AUD
Retailer 21$1,279 AUD
Retailer 20$1,465 AUD
Retailer 7$1,538 AUD
Retailer 3$1,589 AUD
Retailer 9$1,602 AUD
Retailer 16$1,651 AUD
Retailer 11$1,904 AUD
Retailer 4$1,964 AUD
Brilliant Earth$2,238 AUD

19 data points across 21 retailers

15 retailers

Retailer 1
-
$368 AUD
Price last confirmed 27 days ago
Retailer 2
-
$439 AUD
View
Price last confirmed 36 days ago
Retailer 3
-
$456 AUD
View
Price last confirmed 27 days ago
Retailer 4
-
$456 AUD
View
Price last confirmed 27 days ago
Retailer 5
-
$760 AUD
View
Price last confirmed 26 days ago
Retailer 6
-
$778 AUD
View
Price last confirmed 27 days ago
B+
Retailer 7
-
$887 AUD
View
Retailer 8
-
$1,140 AUD
View
Price last confirmed 38 days ago
Retailer 9
-
$1,465 AUD
View
Price last confirmed 27 days ago
Retailer 10
-
$1,538 AUD
View
Price last confirmed 27 days ago
Retailer 11
-
$1,589 AUD
View
Price last confirmed 28 days ago
Retailer 12
-
$1,651 AUD
View
Price last confirmed 27 days ago
Retailer 13
-
$1,904 AUD
View
Price last confirmed 30 days ago
Retailer 14
-
$1,964 AUD
View
Price last confirmed 26 days ago
Most Expensive
Brilliant Earth
21145779A · Oct 8
$2,238 AUD
$1,570 USD
View
Price last confirmed 27 days ago
14 more retailers have this diamond
Prices start from $887 AUD

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
$887 AUD