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Marquise|Lab Grown|IGI

1.01ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG512225940

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG512225940

Diamond specifications and retailer prices

From $977 AUD
As of November 4, 2026
Save $867 AUD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,893 AUD at Friendly Diamonds · As of November 4, 2026
View at Friendly Diamonds

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG512225940 or 512225940. Listed at 12 retailers as of November 4, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512225940
Dimensions10.22 × 5.26 × 3.01 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.22 mm5.26 mm1.01 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512225940
Side View
Table 64.5%Crown 38.1°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 57.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,893 AUD|Low: $937 AUD|High: $4,828 AUD|Avg: $1,908 AUD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$977 AUD
Retailer 9$1,091 AUD
Retailer 7$1,133 AUD
Retailer 6$1,286 AUD
Retailer 4$1,386 AUD
Retailer 2$1,790 AUD
Retailer 8$1,844 AUD
Friendly Diamonds$2,893 AUD
Retailer 3$4,758 AUD

45 data points across 9 retailers

12 retailers$977 AUD to $1,844 AUD

B
Cheapest Retailer
-
$977 AUD
B
Retailer 2
-
$1,063 AUD
View
B
Retailer 3
-
$1,091 AUD
View
Final sale: no returns
Retailer 4
-
$1,133 AUD
View
Price last confirmed 21 days ago
B
Retailer 5
-
$1,133 AUD
View
B
Retailer 6
-
$1,286 AUD
View
B
Retailer 7
-
$1,386 AUD
View
B
Retailer 8
-
$1,790 AUD
View
B
Retailer 9
-
$1,844 AUD
View
Most Expensive
Friendly Diamonds
2233766 · Nov 4
$2,893 AUD
$2,025 USD
View
Price under review
9 more retailers have this diamond
Prices start from $977 AUDSave up to $867 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.

B
1.01ct Marquise
$977 AUD