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Marquise|Lab Grown|IGI

1.58ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG754508343

Certificate IGI LG754508343

Diamond specifications and retailer prices

From $577 USD
Save $2,623 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,200 USD at Brilliant Earth
View at Brilliant Earth

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 23 retailers, with prices from $577 to $3,200 at Brilliant Earth, a $2,623 spread on the same certified stone. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508343
Dimensions6.04 × 6.04 × 12.52 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

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $3,200 USD|Low: $577 USD|High: $3,370 USD|Avg: $1,770 USD|-5.0%
Brilliant Earth
Retailer 2
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Retailer 22
September 30, 2026
Retailer 16$577 USD
Retailer 18$646 USD
Retailer 4$707 USD
Retailer 7$725 USD
Retailer 12$904 USD
Retailer 8$921 USD
Retailer 6$931 USD
Retailer 15$1,075 USD
Retailer 17$1,177 USD
Retailer 3$1,183 USD
Retailer 21$1,331 USD
Retailer 11$1,338 USD
Retailer 10$1,877 USD
Retailer 2$2,078 USD
Retailer 13$2,295 USD
Retailer 9$2,301 USD
Retailer 20$2,517 USD
Retailer 14$2,667 USD
Retailer 22$2,709 USD
Retailer 5$2,832 USD
Retailer 19$3,151 USD
Brilliant Earth$3,200 USD

35 data points across 22 retailers

23 retailers$577 USD to $3,200 USD

A
Cheapest Retailer
-
$577 USD
A
Retailer 2
-
$646 USD
View
A
Retailer 3
-
$707 USD
View
A
Retailer 4
-
$725 USD
View
A
Retailer 5
-
$904 USD
View
A
Retailer 6
-
$921 USD
View
A
Retailer 7
-
$931 USD
View
A
Retailer 8
-
$1,075 USD
HK$8,400 HKD
View
Price last confirmed 27 days ago
A
Retailer 9
-
$1,155 USD
£910 GBP
View
Price last confirmed 21 days ago
A
Retailer 10
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$1,180 USD
£929 GBP
View
A
Retailer 11
-
$1,183 USD
€1,127 EUR
View
A
Retailer 12
-
$1,331 USD
ZAR 21,505 ZAR
View
A
Retailer 13
-
$1,338 USD
A$2,058 AUD
View
B+
Retailer 14
-
$1,877 USD
View
B+
Retailer 15
-
$2,078 USD
View
B+
Retailer 16
-
$2,295 USD
View
B+
Retailer 17
-
$2,301 USD
£1,812 GBP
View
B+
Retailer 18
-
$2,517 USD
A$3,872 AUD
View
B+
Retailer 19
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$2,667 USD
View
B+
Retailer 20
-
$2,709 USD
View
B+
Retailer 21
-
$2,832 USD
SGD 3,827 SGD
View
B
Retailer 22
-
$3,151 USD
£2,481 GBP
View
Most Expensive
B
Brilliant Earth
18652290Y · Oct 1
$3,200 USD
View
22 more retailers have this diamond
Prices start from $577 USDSave up to $2,623 USD

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.

A
1.58ct Marquise
$577 USD