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Marquise|Lab Grown|IGI

1.28ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG805640692

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805640692

Diamond specifications and retailer prices

From $767 AUD
As of October 29, 2026
Save $1,471 AUD (66%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,238 AUD at Brilliant Earth · As of October 28, 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 LG805640692 or 805640692. Listed at 21 retailers as of October 28, 2026, with prices from $767 to $2,238, a $1,471 spread on the same certified stone. Brilliant Earth lists it at $2,238. 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 angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805640692
Dimensions11.13 × 5.67 × 3.50 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.13 mm5.67 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805640692
Side View
Table 61.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.7%

Caratlytics Score

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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: Oct 29
Current: $2,238 AUD|Low: $341 AUD|High: $2,238 AUD|Avg: $1,060 AUD
Brilliant Earth
Retailer 2
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October 28, 2026
Retailer 4$341 AUD
Retailer 14$379 AUD
Retailer 10$395 AUD
Retailer 20$422 AUD
Retailer 23$422 AUD
Retailer 9$570 AUD
Retailer 11$670 AUD
Retailer 17$724 AUD
Retailer 19$728 AUD
Retailer 5$767 AUD
Retailer 13$794 AUD
Retailer 16$887 AUD
Retailer 6$929 AUD
Retailer 18$1,029 AUD
Retailer 22$1,356 AUD
Retailer 3$1,361 AUD
Retailer 7$1,430 AUD
Retailer 12$1,468 AUD
Retailer 2$1,568 AUD
Retailer 15$1,651 AUD
Retailer 21$1,692 AUD
Retailer 8$1,876 AUD
Brilliant Earth$2,238 AUD

28 data points across 23 retailers

21 retailers$767 AUD to $2,238 AUD

Retailer 1
-
$341 AUD
Price last confirmed 8 days ago
Retailer 2
-
$395 AUD
View
Price last confirmed 7 days ago
Retailer 3
-
$422 AUD
View
Price last confirmed 10 days ago
Retailer 4
-
$422 AUD
View
Price last confirmed 10 days ago
Retailer 5
-
$570 AUD
View
Price last confirmed 7 days ago
Retailer 6
-
$724 AUD
View
Price last confirmed 7 days ago
Retailer 7
-
$728 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$767 AUD
View
Retailer 9
-
$794 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$887 AUD
View
Retailer 11
-
$929 AUD
View
Price last confirmed 8 days ago
Retailer 12
-
$1,029 AUD
View
Price last confirmed 8 days ago
Retailer 13
-
$1,356 AUD
View
Price last confirmed 10 days ago
Retailer 14
-
$1,361 AUD
View
Price last confirmed 9 days ago
Retailer 15
-
$1,430 AUD
View
Price last confirmed 7 days ago
Retailer 16
-
$1,468 AUD
View
Price last confirmed 7 days ago
Retailer 17
-
$1,568 AUD
View
Price last confirmed 7 days ago
Retailer 18
-
$1,651 AUD
View
Price last confirmed 27 days ago
Retailer 19
-
$1,692 AUD
View
Price last confirmed 9 days ago
Retailer 20
-
$1,876 AUD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
20176319A · Oct 28
$2,238 AUD
$1,570 USD
View
20 more retailers have this diamond
Prices start from $767 AUDSave up to $1,471 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.

A
1.28ct Marquise
$767 AUD