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Marquise|Lab Grown|IGI

1.03ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG823683330

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823683330

Diamond specifications and retailer prices

From $349 AUD
$245 USD
As of October 30, 2026
Save $1,439 AUD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,217 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823683330 or 823683330. Listed at 19 retailers as of October 30, 2026, with a 413% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823683330
Dimensions11.20 × 5.10 × 3.10 mm
L/W Ratio2.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.20 mm5.10 mm1.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823683330
Side View
Table 56.0%Crown 30.7°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 60.8%

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: $3,217 AUD|Low: $241 AUD|High: $3,217 AUD|Avg: $1,151 AUD|+3.7%
Do Amore Diamonds
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
October 30, 2026
Retailer 14$349 AUD
Retailer 6$379 AUD
Retailer 3$521 AUD
Retailer 12$719 AUD
Retailer 9$736 AUD
Retailer 2$812 AUD
Retailer 13$849 AUD
Retailer 8$967 AUD
Retailer 10$1,045 AUD
Retailer 11$1,251 AUD
Retailer 5$1,620 AUD
Retailer 7$1,725 AUD
Retailer 4$1,788 AUD
Do Amore Diamonds$3,217 AUD

42 data points across 14 retailers

19 retailers$349 AUD to $1,788 AUD

Retailer 1
-
$300 AUD
$211 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$349 AUD
$245 USD
View
Final sale: no returns
Retailer 3
-
$363 AUD
$255 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$379 AUD
$266 USD
View
Retailer 5
-
$389 AUD
$273 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$521 AUD
$366 USD
View
B+
Retailer 7
-
$719 AUD
$505 USD
View
B+
Retailer 8
-
$736 AUD
ZAR 8,350 ZAR
View
B+
Retailer 9
-
$812 AUD
£449 GBP
View
B+
Retailer 10
-
$849 AUD
View
B+
Retailer 11
-
$967 AUD
View
B+
Retailer 12
-
$1,045 AUD
View
B
Retailer 13
-
$1,251 AUD
$879 USD
View
Retailer 14
-
$1,376 AUD
$967 USD
View
Price last confirmed 29 days ago
B
Retailer 15
-
$1,620 AUD
$1,138 USD
View
B
Retailer 16
-
$1,725 AUD
£954 GBP
View
B
Retailer 17
-
$1,788 AUD
$1,256 USD
View
Retailer 18
-
$3,003 AUD
$2,110 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-823683330 · Oct 29
$3,217 AUD
$2,260 USD
View
Price under review
18 more retailers have this diamond
Prices start from $349 AUDSave up to $1,439 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
1.03ct Marquise
$349 AUD