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Marquise|Lab Grown|IGI

1.51ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG849664064

Certificate IGI LG849664064

Diamond specifications and retailer prices

From $786 NZD
As of November 6, 2026
Save $768 NZD (49%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,554 NZD at Taylor and Hart · As of November 6, 2026
View at Taylor and Hart

About this 1.51ct lab-grown marquise diamond

This 1.51ct 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 LG849664064 or 849664064. Listed at 3 retailers as of November 6, 2026, with prices from $786 to $1,554, a $768 spread on the same certified stone. Taylor and Hart lists it at $1,554. 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

1.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG849664064
Dimensions13.22 × 5.85 × 3.28 mm
L/W Ratio2.26
Top View
13.22 mm5.85 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849664064
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCuletDepth 56.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
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Price History

Last verified: Nov 6
Current: $786 NZD|Low: $786 NZD|High: $1,554 NZD|Avg: $1,056 NZD
Retailer 1
Retailer 2
Taylor and Hart
November 6, 2026
Retailer 1$786 NZD
Retailer 2$827 NZD
Taylor and Hart$1,554 NZD

1 data point across 3 retailers

3 retailers$786 NZD to $1,554 NZD

B
Cheapest Retailer
-
$786 NZD
B
Retailer 2
-
$827 NZD
View
Most Expensive
Taylor and Hart
3YPGDWJ · Nov 6
$1,554 NZD
$874 USD
View
2 more retailers have this diamond
Prices start from $786 NZDSave up to $768 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.

B
1.51ct Marquise
$786 NZD