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Marquise|Lab Grown|IGI

1.03ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG770628037

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG770628037

Diamond specifications and retailer prices

From $242 AUD
$170 USD
As of October 27, 2026
Save $1,159 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,523 AUD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 LG770628037 or 770628037. Listed at 18 retailers as of October 26, 2026, with a 479% 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 angle36.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770628037
Dimensions9.61 × 5.33 × 3.40 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.61 mm5.33 mm1.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770628037
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.8%

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 27
Current: $1,523 AUD|Low: $232 AUD|High: $1,523 AUD|Avg: $611 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
October 29, 2026
Retailer 12$242 AUD
Retailer 6$269 AUD
Retailer 4$280 AUD
Retailer 14$299 AUD
Retailer 16$299 AUD
Retailer 10$377 AUD
Retailer 8$416 AUD
Retailer 11$514 AUD
Retailer 2$531 AUD
Retailer 9$572 AUD
Retailer 13$729 AUD
Retailer 7$750 AUD
Retailer 15$962 AUD
Retailer 5$1,016 AUD
Retailer 3$1,401 AUD
Brilliant Earth$1,523 AUD

43 data points across 16 retailers

18 retailers$242 AUD to $1,401 AUD

A
Cheapest Retailer
-
$242 AUD
$170 USD
A
Retailer 2
-
$269 AUD
$189 USD
View
Final sale: no returns
A
Retailer 3
-
$280 AUD
$197 USD
View
A
Retailer 4
-
$299 AUD
$210 USD
View
A
Retailer 5
-
$299 AUD
$210 USD
View
A
Retailer 6
-
$377 AUD
£208 GBP
View
B+
Retailer 7
-
$416 AUD
$292 USD
View
A
Retailer 8
-
$470 AUD
$330 USD
View
A
Retailer 9
-
$514 AUD
ZAR 5,831 ZAR
View
A
Retailer 10
-
$531 AUD
£294 GBP
View
A
Retailer 11
-
$572 AUD
€383 EUR
View
B+
Retailer 12
-
$729 AUD
View
B+
Retailer 13
-
$750 AUD
$527 USD
View
B
Retailer 14
-
$962 AUD
$676 USD
View
B
Retailer 15
-
$1,016 AUD
$714 USD
View
B
Retailer 16
-
$1,040 AUD
$730 USD
View
B
Retailer 17
-
$1,401 AUD
£775 GBP
View
Most Expensive
Brilliant Earth
18310494A · Oct 16
$1,523 AUD
$1,070 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from $242 AUDSave up to $1,159 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
$242 AUD