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Marquise|Lab Grown|IGI

1.54ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG848668859

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848668859

Diamond specifications and retailer prices

From $416 NZD
As of November 6, 2026
Save $2,679 NZD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,095 NZD at Brilliant Earth · As of November 4, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG848668859 or 848668859. Listed at 18 retailers as of November 4, 2026, with prices from $416 to $3,095, a $2,679 spread on the same certified stone. Brilliant Earth lists it at $3,095. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848668859
Dimensions12.50 × 5.99 × 3.64 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.50 mm5.99 mm1.54 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848668859
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
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: Nov 6
Current: $655 NZD|Low: $416 NZD|High: $2,313 NZD|Avg: $1,080 NZD|-0.8%
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
Retailer 17
November 6, 2026
Retailer 13$416 NZD
Retailer 6$463 NZD
Retailer 4$482 NZD
Retailer 14$516 NZD
Retailer 17$516 NZD
Retailer 7$591 NZD
Retailer 1$655 NZD
Retailer 15$694 NZD
Retailer 5$856 NZD
Retailer 10$962 NZD
Retailer 3$1,099 NZD
Retailer 12$1,370 NZD
Retailer 16$1,656 NZD
Retailer 8$1,695 NZD
Retailer 9$1,749 NZD
Retailer 11$2,060 NZD
Retailer 2$2,313 NZD

15 data points across 17 retailers

18 retailers$416 NZD to $3,095 NZD

A
Cheapest Retailer
-
$416 NZD
A
Retailer 2
-
$463 NZD
View
Final sale: no returns
A
Retailer 3
-
$482 NZD
View
Retailer 4
-
$516 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$516 NZD
View
A
Retailer 6
-
$591 NZD
View
A
Retailer 7
-
$655 NZD
View
B+
Retailer 8
-
$694 NZD
View
B+
Retailer 9
-
$856 NZD
View
B+
Retailer 10
-
$962 NZD
View
B+
Retailer 11
-
$1,099 NZD
View
B+
Retailer 12
-
$1,370 NZD
View
B
Retailer 13
-
$1,656 NZD
View
B
Retailer 14
-
$1,695 NZD
View
B
Retailer 15
-
$1,749 NZD
View
B
Retailer 16
-
$2,060 NZD
View
B
Retailer 17
-
$2,313 NZD
View
Most Expensive
B
Brilliant Earth
22397533A · Nov 4
$3,095 NZD
$1,740 USD
View
17 more retailers have this diamond
Prices start from $416 NZDSave up to $2,679 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
$416 NZD