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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754507975

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754507975

Diamond specifications and retailer prices

From $1,189 NZD
$670 USD
As of November 2, 2026
Save $9,817 NZD (89%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: $11,005 NZD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 LG754507975 or 754507975. Listed at 34 retailers as of October 31, 2026, with prices from $1,189 to $11,005, a $9,817 spread on the same certified stone. Diamond Quarter lists it at $11,005. 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507975
Dimensions12.46 × 5.86 × 3.72 mm
L/W Ratio2.13
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
12.46 mm5.86 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507975
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.5%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $1,721 NZD|Low: $1,189 NZD|High: $10,699 NZD|Avg: $3,976 NZD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 15$1,189 NZD
Retailer 4$1,501 NZD
Retailer 8$1,643 NZD
Retailer 17$1,650 NZD
Retailer 1$1,721 NZD
Retailer 2$1,813 NZD
Retailer 3$1,999 NZD
Retailer 24$2,298 NZD
Retailer 22$2,439 NZD
Retailer 12$2,444 NZD
Retailer 23$2,798 NZD
Retailer 7$3,524 NZD
Retailer 20$3,791 NZD
Retailer 14$3,885 NZD
Retailer 11$4,280 NZD
Retailer 10$4,704 NZD
Retailer 6$4,742 NZD
Retailer 16$4,799 NZD
Retailer 21$4,968 NZD
Retailer 9$5,447 NZD
Retailer 13$5,757 NZD
Retailer 18$5,978 NZD
Retailer 19$6,407 NZD
Retailer 5$10,557 NZD

32 data points across 24 retailers

34 retailers$1,189 NZD to $11,005 NZD

A
Cheapest Retailer
-
$1,189 NZD
$670 USD
Retailer 2
-
$1,205 NZD
$679 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$1,205 NZD
$679 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$1,311 NZD
$739 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$1,379 NZD
$777 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$1,398 NZD
$788 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$1,398 NZD
$788 USD
View
Price last confirmed 22 days ago
A
Retailer 8
-
$1,501 NZD
$846 USD
View
Final sale: no returns
A
Retailer 9
-
$1,643 NZD
$926 USD
View
A
Retailer 10
-
$1,650 NZD
$930 USD
View
A
Retailer 11
-
$1,721 NZD
£764 GBP
View
A
Retailer 12
-
$1,813 NZD
$1,022 USD
View
A
Retailer 13
-
$1,999 NZD
HK$8,800 HKD
View
A
Retailer 14
-
$2,298 NZD
$1,295 USD
View
A
Retailer 15
-
$2,439 NZD
€1,309 EUR
View
A
Retailer 16
-
$2,444 NZD
£1,085 GBP
View
A
Retailer 17
-
$2,798 NZD
ZAR 25,480 ZAR
View
B+
Retailer 18
-
$3,524 NZD
$1,986 USD
View
B+
Retailer 19
-
$3,791 NZD
A$3,287 AUD
View
Retailer 20
-
$3,885 NZD
$2,190 USD
View
Price last confirmed 9 days ago
B+
Retailer 21
-
$4,280 NZD
$2,412 USD
View
Retailer 22
-
$4,340 NZD
$2,446 USD
View
Price last confirmed 22 days ago
Retailer 23
-
$4,340 NZD
$2,446 USD
View
Price last confirmed 32 days ago
B+
Retailer 24
-
$4,704 NZD
$2,651 USD
View
B+
Retailer 25
-
$4,742 NZD
$2,673 USD
View
B+
Retailer 26
-
$4,799 NZD
$2,705 USD
View
B+
Retailer 27
-
$4,968 NZD
$2,800 USD
View
B
Retailer 28
-
$4,973 NZD
$2,803 USD
View
B
Retailer 29
-
$5,447 NZD
$3,070 USD
View
B
Retailer 30
-
$5,757 NZD
SGD 4,385 SGD
View
B+
Retailer 31
-
$5,978 NZD
£2,653 GBP
View
B
Retailer 32
-
$6,407 NZD
A$5,555 AUD
View
B
Retailer 33
-
$10,557 NZD
$5,950 USD
View
Most Expensive
B
Diamond Quarter
1.57IFDLG18AED4N · Oct 31
$11,005 NZD
£4,884 GBP
View
33 more retailers have this diamond
Prices start from $1,189 NZDSave up to $9,817 NZD

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
1.57ct Marquise
$1,189 NZD