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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG790630196

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790630196

Diamond specifications and retailer prices

From $1,137 NZD
$638 USD
As of October 29, 2026
Save $7,005 NZD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,141 NZD at Brilliant Earth · As of October 28, 2026
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 LG790630196 or 790630196. Listed at 18 retailers as of October 28, 2026, with prices from $1,137 to $8,141, a $7,005 spread on the same certified stone. Brilliant Earth lists it at $8,141. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790630196
Dimensions12.02 × 5.95 × 3.71 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.02 mm5.95 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790630196
Side View
Table 58.0%Crown 33.8°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 29
Current: $2,175 NZD|Low: $1,137 NZD|High: $5,724 NZD|Avg: $2,905 NZD|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 10$1,137 NZD
Retailer 9$1,496 NZD
Retailer 15$1,696 NZD
Retailer 6$1,789 NZD
Retailer 16$1,965 NZD
Retailer 2$2,093 NZD
Retailer 1$2,175 NZD
Retailer 13$2,176 NZD
Retailer 8$3,003 NZD
Retailer 7$3,155 NZD
Retailer 5$3,692 NZD
Retailer 12$3,832 NZD
Retailer 11$3,989 NZD
Retailer 3$4,101 NZD
Retailer 14$4,181 NZD
Retailer 4$5,525 NZD

20 data points across 16 retailers

18 retailers$1,137 NZD to $8,141 NZD

A+
Cheapest Retailer
-
$1,137 NZD
$638 USD
Final sale: no returns
A
Retailer 2
-
$1,496 NZD
$840 USD
View
A
Retailer 3
-
$1,696 NZD
$952 USD
View
A
Retailer 4
-
$1,789 NZD
$1,004 USD
View
A
Retailer 5
-
$1,965 NZD
£868 GBP
View
A
Retailer 6
-
$2,093 NZD
$1,175 USD
View
A
Retailer 7
-
$2,175 NZD
€1,163 EUR
View
A
Retailer 8
-
$2,176 NZD
ZAR 19,729 ZAR
View
B+
Retailer 9
-
$3,003 NZD
A$2,593 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,155 NZD
$1,771 USD
View
B+
Retailer 11
-
$3,692 NZD
£1,632 GBP
View
B+
Retailer 12
-
$3,832 NZD
$2,151 USD
View
B+
Retailer 13
-
$3,989 NZD
SGD 3,026 SGD
View
B+
Retailer 14
-
$4,101 NZD
$2,302 USD
View
B+
Retailer 15
-
$4,181 NZD
$2,347 USD
View
B+
Retailer 16
-
$5,525 NZD
£2,442 GBP
View
B
Retailer 17
-
$6,356 NZD
A$5,489 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
19055469A · Oct 28
$8,141 NZD
$4,570 USD
View
17 more retailers have this diamond
Prices start from $1,137 NZDSave up to $7,005 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
$1,137 NZD