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Marquise|Lab Grown|IGI

1.28ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG843637980

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843637980

Diamond specifications and retailer prices

From $505 AUD
$355 USD
As of October 30, 2026
Save $1,523 AUD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,028 AUD at Michael Trio · As of November 1, 2026
View at Michael Trio

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843637980 or 843637980. Listed at 8 retailers as of October 30, 2026, with prices from $505 to $2,028, a $1,523 spread on the same certified stone. Michael Trio lists it at $2,028. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843637980
Dimensions10.96 × 5.60 × 3.56 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.96 mm5.60 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843637980
Side View
Table 60.0%Crown 37.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.6%

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: Oct 30
Current: $2,028 AUD|Low: $505 AUD|High: $2,062 AUD|Avg: $1,126 AUD|-1.6%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 7$505 AUD
Retailer 2$683 AUD
Retailer 3$827 AUD
Retailer 6$876 AUD
Retailer 4$1,264 AUD
Retailer 5$1,265 AUD
Retailer 8$1,519 AUD
Michael Trio$2,028 AUD

5 data points across 8 retailers

8 retailers$505 AUD to $2,028 AUD

B+
Cheapest Retailer
-
$505 AUD
$355 USD
A
Retailer 2
-
$683 AUD
£378 GBP
View
A
Retailer 3
-
$827 AUD
$581 USD
View
A
Retailer 4
-
$876 AUD
$615 USD
View
B+
Retailer 5
-
$1,264 AUD
$888 USD
View
B+
Retailer 6
-
$1,265 AUD
$889 USD
View
B
Retailer 7
-
$1,519 AUD
£840 GBP
View
Most Expensive
B
Michael Trio
1471274854 · Nov 1
$2,028 AUD
SGD 1,925 SGD
View
7 more retailers have this diamond
Prices start from $505 AUDSave up to $1,523 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
$505 AUD