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Marquise|Lab Grown|IGI

1.58ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG754508343

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508343

Diamond specifications and retailer prices

From $1,385 AUD
HK$7,600 HKD
As of October 30, 2026
Save $3,043 AUD (69%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $7,303 AUD at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

About this 1.58ct lab-grown marquise diamond

This 1.58ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508343 or 754508343. Listed at 33 retailers as of October 28, 2026, with a 220% 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

1.58
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508343
Dimensions6.04 × 6.04 × 3.73 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.04 mm6.04 mm1.58 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508343
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.8%

Caratlytics Score

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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 30
Current: $7,303 AUD|Low: $821 AUD|High: $7,303 AUD|Avg: $2,462 AUD
Do Amore Diamonds
Retailer 2
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Retailer 27
October 30, 2026
Retailer 7$821 AUD
Retailer 11$920 AUD
Retailer 14$1,006 AUD
Retailer 17$1,032 AUD
Retailer 3$1,203 AUD
Retailer 18$1,311 AUD
Retailer 16$1,325 AUD
Retailer 13$1,385 AUD
Retailer 9$1,592 AUD
Retailer 21$1,667 AUD
Retailer 25$1,715 AUD
Retailer 24$1,904 AUD
Retailer 23$1,915 AUD
Retailer 4$2,528 AUD
Retailer 22$2,618 AUD
Retailer 20$2,672 AUD
Retailer 10$2,958 AUD
Retailer 26$3,217 AUD
Retailer 19$3,276 AUD
Retailer 6$3,280 AUD
Retailer 5$3,389 AUD
Retailer 2$3,602 AUD
Retailer 8$3,664 AUD
Retailer 12$3,857 AUD
Retailer 15$4,032 AUD
Retailer 27$4,457 AUD
Do Amore Diamonds$7,303 AUD

39 data points across 27 retailers

33 retailers$1,385 AUD to $4,427 AUD

Retailer 1
-
$821 AUD
$577 USD
Price last confirmed 22 days ago
Retailer 2
-
$821 AUD
$577 USD
View
Price last confirmed 30 days ago
Retailer 3
-
$920 AUD
$646 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$1,006 AUD
$707 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$1,019 AUD
$716 USD
View
Price last confirmed 27 days ago
Retailer 6
-
$1,019 AUD
$716 USD
View
Price last confirmed 20 days ago
Retailer 7
-
$1,203 AUD
$845 USD
View
Price last confirmed 7 days ago
Retailer 8
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$1,311 AUD
$921 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$1,325 AUD
$931 USD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$1,385 AUD
HK$7,600 HKD
View
Retailer 11
-
$1,592 AUD
$1,118 USD
View
Price last confirmed 9 days ago
Retailer 12
-
$1,667 AUD
£922 GBP
View
Price last confirmed 8 days ago
Retailer 13
-
$1,677 AUD
£928 GBP
View
Price last confirmed 15 days ago
A
Retailer 14
-
$1,904 AUD
View
Retailer 15
-
$1,915 AUD
ZAR 21,735 ZAR
View
Price last confirmed 11 days ago
Retailer 16
-
$2,528 AUD
$1,776 USD
View
Price last confirmed 9 days ago
Retailer 17
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$2,618 AUD
View
Price last confirmed 9 days ago
Retailer 18
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$2,672 AUD
$1,877 USD
View
Price last confirmed 9 days ago
Retailer 19
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$2,958 AUD
$2,078 USD
View
Price last confirmed 20 days ago
Retailer 20
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$2,958 AUD
$2,078 USD
View
Price last confirmed 8 days ago
Retailer 21
-
$2,958 AUD
$2,078 USD
View
Price last confirmed 30 days ago
Retailer 22
-
$3,217 AUD
$2,260 USD
View
Price last confirmed 12 days ago
Retailer 23
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$3,276 AUD
£1,812 GBP
View
Price last confirmed 16 days ago
Retailer 24
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$3,280 AUD
$2,304 USD
View
Price last confirmed 8 days ago
Retailer 25
-
$3,389 AUD
$2,380 USD
View
Price last confirmed 9 days ago
B+
Retailer 26
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$3,602 AUD
$2,530 USD
View
Retailer 27
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$3,664 AUD
View
Price last confirmed 22 days ago
Retailer 28
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$3,796 AUD
$2,667 USD
View
Price last confirmed 9 days ago
Retailer 29
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$3,857 AUD
$2,709 USD
View
Price last confirmed 8 days ago
Retailer 30
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$4,032 AUD
SGD 3,827 SGD
View
Price last confirmed 9 days ago
B
Retailer 31
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$4,427 AUD
$3,110 USD
View
Retailer 32
-
$4,457 AUD
£2,465 GBP
View
Price last confirmed 9 days ago
Most Expensive
Do Amore Diamonds
27-B6C74168A · Oct 23
$7,303 AUD
$5,130 USD
View
Price last confirmed 7 days ago
32 more retailers have this diamond
Prices start from $1,385 AUDSave up to $3,043 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
1.58ct Marquise
$1,385 AUD