Marquise|Lab Grown|IGI

1.54ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG788621215

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788621215

Diamond specifications and retailer prices

From $1,920 NZD
$1,082 USD
As of October 30, 2026
Save $6,082 NZD (76%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $8,002 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.54ct lab-grown marquise diamond

This 1.54ct 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 LG788621215 or 788621215. Listed at 26 retailers as of October 30, 2026, with prices from $1,920 to $8,002, a $6,082 spread on the same certified stone. Brilliant Earth lists it at $8,002. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621215
Dimensions11.99 × 6.09 × 3.82 mm
L/W Ratio1.97
Girdle conditionFaceted
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
11.99 mm6.09 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621215
Side View
Table 56.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.7%

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: $8,002 NZD|Low: $1,647 NZD|High: $8,002 NZD|Avg: $3,954 NZD
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
Retailer 14
Retailer 15
October 31, 2026
Retailer 4$1,714 NZD
Retailer 6$1,989 NZD
Retailer 10$2,255 NZD
Retailer 15$2,262 NZD
Retailer 14$2,835 NZD
Retailer 7$2,848 NZD
Retailer 9$3,067 NZD
Retailer 11$3,555 NZD
Retailer 13$3,657 NZD
Retailer 3$3,916 NZD
Retailer 2$4,952 NZD
Retailer 5$5,914 NZD
Retailer 8$6,711 NZD
Retailer 12$6,783 NZD
Brilliant Earth$8,002 NZD

33 data points across 15 retailers

26 retailers$1,920 NZD to $8,002 NZD

Retailer 1
-
$1,714 NZD
$966 USD
Price last confirmed 24 days ago
Retailer 2
-
$1,867 NZD
$1,052 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,920 NZD
$1,082 USD
View
Final sale: no returns
Retailer 4
-
$1,989 NZD
$1,121 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$1,989 NZD
$1,121 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$2,255 NZD
£1,001 GBP
View
A
Retailer 7
-
$2,257 NZD
$1,272 USD
View
A
Retailer 8
-
$2,262 NZD
$1,275 USD
View
A
Retailer 9
-
$2,358 NZD
$1,329 USD
View
A
Retailer 10
-
$2,835 NZD
A$2,458 AUD
View
A
Retailer 11
-
$2,848 NZD
$1,605 USD
View
A
Retailer 12
-
$3,067 NZD
£1,361 GBP
View
B+
Retailer 13
-
$3,555 NZD
€1,908 EUR
View
B+
Retailer 14
-
$3,657 NZD
ZAR 33,293 ZAR
View
B+
Retailer 15
-
$3,916 NZD
$2,207 USD
View
B
Retailer 16
-
$4,952 NZD
A$4,294 AUD
View
B
Retailer 17
-
$5,489 NZD
£2,436 GBP
View
Retailer 18
-
$5,593 NZD
$3,152 USD
View
Price last confirmed 32 days ago
B
Retailer 19
-
$5,914 NZD
$3,333 USD
View
B
Retailer 20
-
$6,167 NZD
$3,476 USD
View
B
Retailer 21
-
$6,458 NZD
$3,639 USD
View
B
Retailer 22
-
$6,677 NZD
SGD 5,085 SGD
View
B
Retailer 23
-
$6,711 NZD
A$5,819 AUD
View
B
Retailer 24
-
$6,783 NZD
£3,010 GBP
View
B
Retailer 25
-
$6,927 NZD
$3,904 USD
View
Most Expensive
B
Brilliant Earth
20086108A · Oct 30
$8,002 NZD
$4,510 USD
View
25 more retailers have this diamond
Prices start from $1,920 NZDSave up to $6,082 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
1.54ct Marquise
$1,920 NZD