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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG758554058

Certificate IGI LG758554058

Diamond specifications and retailer prices

From $561 USD
Save $3,249 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,710 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 LG758554058 or 758554058. Listed at 18 retailers, with a 579% 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

1.57
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758554058
Dimensions11.59 × 6.00 × 3.87 mm
L/W Ratio1.93
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
11.59 mm6.00 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758554058
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.5%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $4,710 USD|Low: $696 USD|High: $4,710 USD|Avg: $1,778 USD|+12.1%
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
October 1, 2026
Retailer 11$696 USD
Retailer 5$781 USD
Retailer 13$913 USD
Retailer 4$932 USD
Retailer 8$1,080 USD
Retailer 2$1,117 USD
Retailer 6$1,171 USD
Retailer 12$1,171 USD
Retailer 7$1,443 USD
Retailer 9$2,027 USD
Retailer 3$2,256 USD
Retailer 10$3,058 USD
Brilliant Earth$4,710 USD

30 data points across 13 retailers

18 retailers$561 USD to $3,810 USD

A
Cheapest Retailer
-
$561 USD
A
Retailer 2
-
$629 USD
View
A
Retailer 3
-
$687 USD
View
A
Retailer 4
-
$696 USD
View
A
Retailer 5
-
$781 USD
HK$6,100 HKD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$913 USD
View
A
Retailer 7
-
$932 USD
View
A
Retailer 8
-
$1,082 USD
£852 GBP
View
A
Retailer 9
-
$1,117 USD
€1,064 EUR
View
A
Retailer 10
-
$1,171 USD
View
A
Retailer 11
-
$1,171 USD
ZAR 18,922 ZAR
View
A
Retailer 12
-
$1,443 USD
View
B+
Retailer 13
-
$1,830 USD
View
B+
Retailer 14
-
$2,027 USD
£1,596 GBP
View
B+
Retailer 15
-
$2,256 USD
View
B
Retailer 16
-
$3,058 USD
£2,408 GBP
View
B
Retailer 17
-
$3,810 USD
View
Most Expensive
B
Brilliant Earth
17350011A · Sep 16
$4,710 USD
View
Price last confirmed 15 days ago
17 more retailers have this diamond
Prices start from $561 USDSave up to $3,249 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
$561 USD