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Emerald|Lab Grown|IGI

1.31ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG550230509

Shape and cutting style on the report: Emerald cut

Certificate IGI LG550230509

Diamond specifications and retailer prices

From $312 NZD
$176 USD
As of October 30, 2026
Save $2,030 NZD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,342 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG550230509 or 550230509. Listed at 18 retailers as of October 29, 2026, with prices from $312 to $2,342, a $2,030 spread on the same certified stone. Do Amore Diamonds lists it at $2,342. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.31
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.8°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550230509
Dimensions7.61 × 5.09 × 3.41 mm
L/W Ratio1.50
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.61 mm5.09 mm1.31 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550230509
Side View
Table 63.5%Crown 29.8°Girdle: MediumPavilion 41.7°Culet: LNGDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,342 NZD|Low: $248 NZD|High: $2,502 NZD|Avg: $1,229 NZD|-0.8%
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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 9$312 NZD
Retailer 19$348 NZD
Retailer 15$362 NZD
Retailer 6$387 NZD
Retailer 13$387 NZD
Retailer 17$522 NZD
Retailer 2$779 NZD
Retailer 4$859 NZD
Retailer 7$967 NZD
Retailer 14$1,171 NZD
Retailer 18$1,180 NZD
Retailer 5$1,373 NZD
Retailer 10$1,437 NZD
Retailer 3$1,561 NZD
Retailer 11$1,577 NZD
Retailer 8$1,680 NZD
Retailer 16$1,984 NZD
Retailer 12$1,999 NZD
Do Amore Diamonds$2,342 NZD

41 data points across 19 retailers

18 retailers$312 NZD to $2,342 NZD

A
Cheapest Retailer
-
$312 NZD
$176 USD
A
Retailer 2
-
$348 NZD
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$362 NZD
$204 USD
View
A
Retailer 4
-
$387 NZD
$218 USD
View
A
Retailer 5
-
$387 NZD
$218 USD
View
B+
Retailer 6
-
$522 NZD
$294 USD
View
A
Retailer 7
-
$779 NZD
£346 GBP
View
B+
Retailer 8
-
$859 NZD
$484 USD
View
B+
Retailer 9
-
$967 NZD
$545 USD
View
B+
Retailer 10
-
$1,171 NZD
$660 USD
View
B+
Retailer 11
-
$1,180 NZD
CA$924 CAD
View
B
Retailer 12
-
$1,373 NZD
$774 USD
View
B
Retailer 13
-
$1,437 NZD
$810 USD
View
B
Retailer 14
-
$1,561 NZD
$880 USD
View
B
Retailer 15
-
$1,680 NZD
$947 USD
View
B
Retailer 16
-
$1,984 NZD
$1,118 USD
View
B
Retailer 17
-
$1,999 NZD
£887 GBP
View
Most Expensive
B
Do Amore Diamonds
25-121080-009 · Oct 29
$2,342 NZD
$1,320 USD
View
17 more retailers have this diamond
Prices start from $312 NZDSave up to $2,030 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
1.31ct Emerald
$312 NZD