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Marquise|Lab Grown|IGI

1.57ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG787651488

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787651488

Diamond specifications and retailer prices

From $1,152 NZD
$649 USD
As of October 30, 2026
Save $9,068 NZD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,220 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG787651488 or 787651488. Listed at 23 retailers as of October 30, 2026, with prices from $1,152 to $10,220, a $9,068 spread on the same certified stone. Do Amore Diamonds lists it at $10,220. 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 angle33.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787651488
Dimensions12.01 × 6.15 × 3.80 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
12.01 mm6.15 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787651488
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $10,220 NZD|Low: $1,152 NZD|High: $10,646 NZD|Avg: $3,752 NZD|-4.0%
Do Amore Diamonds
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
November 1, 2026
Retailer 6$1,152 NZD
Retailer 21$1,253 NZD
Retailer 8$1,290 NZD
Retailer 19$1,336 NZD
Retailer 22$1,634 NZD
Retailer 14$1,650 NZD
Retailer 5$1,773 NZD
Retailer 7$1,840 NZD
Retailer 18$2,179 NZD
Retailer 13$2,364 NZD
Retailer 17$2,710 NZD
Retailer 11$3,412 NZD
Retailer 16$3,671 NZD
Retailer 20$4,145 NZD
Retailer 9$4,555 NZD
Retailer 4$4,570 NZD
Retailer 10$4,624 NZD
Retailer 15$4,799 NZD
Retailer 3$5,278 NZD
Retailer 12$5,324 NZD
Retailer 2$5,789 NZD
Do Amore Diamonds$10,220 NZD

38 data points across 22 retailers

23 retailers$1,152 NZD to $10,220 NZD

A
Cheapest Retailer
-
$1,152 NZD
$649 USD
A
Retailer 2
-
$1,253 NZD
$706 USD
View
A
Retailer 3
-
$1,290 NZD
$727 USD
View
Final sale: no returns
A
Retailer 4
-
$1,336 NZD
$753 USD
View
Retailer 5
-
$1,391 NZD
$784 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$1,634 NZD
$921 USD
View
A
Retailer 7
-
$1,650 NZD
$930 USD
View
A
Retailer 8
-
$1,773 NZD
$999 USD
View
A
Retailer 9
-
$1,840 NZD
HK$8,100 HKD
View
A
Retailer 10
-
$2,179 NZD
$1,228 USD
View
A
Retailer 11
-
$2,364 NZD
£1,049 GBP
View
A
Retailer 12
-
$2,710 NZD
ZAR 24,674 ZAR
View
B+
Retailer 13
-
$3,412 NZD
$1,923 USD
View
B+
Retailer 14
-
$3,671 NZD
A$3,183 AUD
View
B+
Retailer 15
-
$4,145 NZD
$2,336 USD
View
B+
Retailer 16
-
$4,555 NZD
$2,567 USD
View
B+
Retailer 17
-
$4,570 NZD
£2,028 GBP
View
B+
Retailer 18
-
$4,624 NZD
$2,606 USD
View
B+
Retailer 19
-
$4,799 NZD
$2,705 USD
View
B+
Retailer 20
-
$5,278 NZD
$2,975 USD
View
B
Retailer 21
-
$5,324 NZD
SGD 4,055 SGD
View
B+
Retailer 22
-
$5,789 NZD
£2,569 GBP
View
Most Expensive
B
Do Amore Diamonds
27-609A41763 · Oct 31
$10,220 NZD
$5,760 USD
View
22 more retailers have this diamond
Prices start from $1,152 NZDSave up to $9,068 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
$1,152 NZD