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Emerald|Lab Grown|IGI

1.31ct D SI1 Emerald Lab Grown Diamond

VG • D/SI1 • IGI LG729542241

Certificate IGI LG729542241

Diamond specifications and retailer prices

From $1,243 NZD
As of November 6, 2026
Save $482 NZD (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,726 NZD at Zales · As of November 4, 2026
View at Zales

About this 1.31ct lab-grown emerald diamond

This 1.31ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG729542241 or 729542241. Listed at 4 retailers as of November 4, 2026, with prices from $1,243 to $1,726, a $482 spread on the same certified stone. Zales lists it at $1,726. 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

1.31
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG729542241
Dimensions7.49 × 5.32 × 3.38 mm
L/W Ratio1.41
Top View
7.49 mm5.32 mm1.31 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729542241
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,243 NZD|Low: $1,243 NZD|High: $3,024 NZD|Avg: $1,715 NZD|-58.9%
Retailer 1
Retailer 2
Retailer 3
Zales
November 6, 2026
Retailer 1$1,243 NZD
Retailer 2$1,243 NZD
Retailer 3$1,726 NZD
Zales$1,726 NZD

3 data points across 4 retailers

4 retailers$1,243 NZD to $1,726 NZD

B
Cheapest Retailer
-
$1,243 NZD
B+
Retailer 2
-
$1,243 NZD
View
B
Retailer 3
-
$1,726 NZD
View
Most Expensive
B
Zales
526947036 · Nov 4
$1,726 NZD
$970 USD
View
3 more retailers have this diamond
Prices start from $1,243 NZDSave up to $482 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+
1.31ct Emerald
$1,243 NZD