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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG732556465

Certificate IGI LG732556465

Diamond specifications and retailer prices

From $770 USD
Save $3,950 USD (84%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $4,720 USD at Brilliant Earth
View at Brilliant Earth

About this 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG732556465 or 732556465. Listed at 30 retailers, with prices from $770 to $4,720 at Brilliant Earth, a $3,950 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

1.57
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732556465
Dimensions11.97 × 6.14 × 3.84 mm
L/W Ratio1.95
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
11.97 mm6.14 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732556465
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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: $4,720 USD|Low: $614 USD|High: $4,720 USD|Avg: $2,132 USD
Brilliant Earth
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Retailer 29
October 1, 2026
Retailer 25$770 USD
Retailer 28$837 USD
Retailer 10$861 USD
Retailer 6$881 USD
Retailer 4$893 USD
Retailer 13$1,019 USD
Retailer 19$1,037 USD
Retailer 15$1,075 USD
Retailer 8$1,131 USD
Retailer 16$1,243 USD
Retailer 7$1,388 USD
Retailer 27$1,390 USD
Retailer 24$1,444 USD
Retailer 12$1,533 USD
Retailer 5$1,608 USD
Retailer 26$2,053 USD
Retailer 3$2,226 USD
Retailer 14$2,463 USD
Retailer 23$2,511 USD
Retailer 21$2,584 USD
Retailer 11$2,774 USD
Retailer 22$2,845 USD
Retailer 18$3,012 USD
Retailer 20$3,084 USD
Retailer 17$3,130 USD
Retailer 9$3,348 USD
Retailer 2$3,387 USD
Retailer 29$3,618 USD
Brilliant Earth$4,720 USD

38 data points across 29 retailers

30 retailers$770 USD to $4,720 USD

A
Cheapest Retailer
-
$770 USD
A
Retailer 2
-
$837 USD
View
A
Retailer 3
-
$861 USD
View
A
Retailer 4
-
$881 USD
View
A
Retailer 5
-
$893 USD
View
A
Retailer 6
-
$1,019 USD
£802 GBP
View
A
Retailer 7
-
$1,037 USD
HK$8,100 HKD
View
Price last confirmed 27 days ago
A
Retailer 8
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$1,075 USD
View
A
Retailer 9
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$1,131 USD
View
A
Retailer 10
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$1,243 USD
View
A
Retailer 11
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$1,388 USD
£1,093 GBP
View
A
Retailer 12
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$1,388 USD
€1,322 EUR
View
A
Retailer 13
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$1,444 USD
View
A
Retailer 14
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$1,533 USD
A$2,358 AUD
View
A
Retailer 15
-
$1,608 USD
ZAR 25,983 ZAR
View
B+
Retailer 16
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$2,053 USD
View
B+
Retailer 17
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$2,226 USD
A$3,424 AUD
View
B+
Retailer 18
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$2,463 USD
View
Price last confirmed 23 days ago
B+
Retailer 19
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$2,511 USD
View
B+
Retailer 20
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$2,584 USD
View
Price last confirmed 22 days ago
B+
Retailer 21
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$2,774 USD
£2,184 GBP
View
Price last confirmed 9 days ago
B+
Retailer 22
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$2,845 USD
£2,240 GBP
View
B+
Retailer 23
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$3,012 USD
View
B
Retailer 24
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$3,084 USD
View
B
Retailer 25
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$3,157 USD
View
B
Retailer 26
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$3,194 USD
View
B
Retailer 27
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$3,348 USD
View
B
Retailer 28
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$3,387 USD
£2,667 GBP
View
B
Retailer 29
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$3,618 USD
A$5,566 AUD
View
Most Expensive
B
Brilliant Earth
15698475A · Oct 1
$4,720 USD
View
29 more retailers have this diamond
Prices start from $770 USDSave up to $3,950 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
1.57ct Marquise
$770 USD