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Marquise|Lab Grown|IGI

1.28ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG831608948

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831608948

Diamond specifications and retailer prices

From $310 AUD
$217 USD
As of October 25, 2026
Save $1,279 AUD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,589 AUD at Reve Diamonds · As of October 25, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831608948 or 831608948. Listed at 20 retailers as of October 25, 2026, with prices from $310 to $1,589, a $1,279 spread on the same certified stone. Reve Diamonds lists it at $1,589. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831608948
Dimensions10.91 × 5.85 × 3.56 mm
L/W Ratio1.86
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.91 mm5.85 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831608948
Side View
Table 60.0%Crown 31°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

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: Oct 25
Current: $1,042 AUD|Low: $243 AUD|High: $1,598 AUD|Avg: $734 AUD|-18.0%
Retailer 1
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
Reve Diamonds
October 30, 2026
Retailer 19$250 AUD
Retailer 6$278 AUD
Retailer 17$290 AUD
Retailer 2$310 AUD
Retailer 10$347 AUD
Retailer 12$389 AUD
Retailer 14$514 AUD
Retailer 16$523 AUD
Retailer 4$551 AUD
Retailer 13$551 AUD
Retailer 7$668 AUD
Retailer 5$672 AUD
Retailer 3$779 AUD
Retailer 11$949 AUD
Retailer 18$995 AUD
Retailer 9$1,012 AUD
Retailer 1$1,042 AUD
Retailer 8$1,072 AUD
Retailer 15$1,448 AUD
Reve Diamonds$1,589 AUD

28 data points across 20 retailers

20 retailers$310 AUD to $1,589 AUD

Retailer 1
-
$250 AUD
$175 USD
Price last confirmed 10 days ago
Retailer 2
-
$290 AUD
$203 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$310 AUD
$217 USD
View
A
Retailer 4
-
$347 AUD
HK$1,900 HKD
View
A
Retailer 5
-
$389 AUD
£214 GBP
View
A
Retailer 6
-
$514 AUD
€343 EUR
View
Retailer 7
-
$523 AUD
ZAR 5,923 ZAR
View
Price last confirmed 10 days ago
A
Retailer 8
-
$551 AUD
$386 USD
View
A
Retailer 9
-
$551 AUD
£304 GBP
View
A
Retailer 10
-
$668 AUD
$468 USD
View
A
Retailer 11
-
$672 AUD
$471 USD
View
B+
Retailer 12
-
$779 AUD
$546 USD
View
B+
Retailer 13
-
$949 AUD
$665 USD
View
B+
Retailer 14
-
$995 AUD
$697 USD
View
B+
Retailer 15
-
$1,012 AUD
SGD 958 SGD
View
B
Retailer 16
-
$1,025 AUD
$718 USD
View
B+
Retailer 17
-
$1,042 AUD
$730 USD
View
B+
Retailer 18
-
$1,072 AUD
$752 USD
View
B
Retailer 19
-
$1,448 AUD
£799 GBP
View
Most Expensive
B
Reve Diamonds
49C99D948 · Oct 25
$1,589 AUD
$1,114 USD
View
19 more retailers have this diamond
Prices start from $310 AUDSave up to $1,279 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
$310 AUD