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Emerald|Lab Grown|IGI

1.87ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG12272509

Shape and cutting style on the report: Emerald cut

Certificate IGI LG12272509

Diamond specifications and retailer prices

From $557 NZD
$314 USD
As of November 1, 2026
Save $4,393 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,950 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.87ct lab-grown emerald diamond

This 1.87ct lab-grown emerald sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12272509 or 12272509. Listed at 11 retailers as of October 31, 2026, with prices from $557 to $4,950, a $4,393 spread on the same certified stone. Do Amore Diamonds lists it at $4,950. 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

1.87
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12272509
Dimensions8.52 × 5.85 × 3.91 mm
L/W Ratio1.46
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
8.52 mm5.85 mm1.87 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12272509
Side View
Table 61.5%Crown 36.5°Girdle: MediumPavilion 40.2°Culet: LNGDepth 66.8%

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: Nov 1
Current: $4,595 NZD|Low: $536 NZD|High: $4,595 NZD|Avg: $1,733 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$557 NZD
Retailer 3$578 NZD
Retailer 11$625 NZD
Retailer 10$648 NZD
Retailer 7$1,123 NZD
Retailer 4$1,127 NZD
Retailer 9$1,175 NZD
Retailer 5$2,028 NZD
Retailer 8$2,454 NZD
Retailer 2$2,983 NZD
Do Amore Diamonds$4,595 NZD

16 data points across 11 retailers

11 retailers$557 NZD to $4,950 NZD

A
Cheapest Retailer
-
$557 NZD
$314 USD
A
Retailer 2
-
$625 NZD
$352 USD
View
Final sale: no returns
A
Retailer 3
-
$648 NZD
$365 USD
View
A
Retailer 4
-
$1,123 NZD
$633 USD
View
A
Retailer 5
-
$1,127 NZD
$635 USD
View
A
Retailer 6
-
$1,175 NZD
$662 USD
View
B+
Retailer 7
-
$2,028 NZD
$1,143 USD
View
B+
Retailer 8
-
$2,454 NZD
$1,383 USD
View
B+
Retailer 9
-
$2,983 NZD
£1,324 GBP
View
B
Retailer 10
-
$4,595 NZD
$2,590 USD
View
Most Expensive
B
Do Amore Diamonds
27-E5BF24B85 · Oct 31
$4,950 NZD
$2,790 USD
View
10 more retailers have this diamond
Prices start from $557 NZDSave up to $4,393 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
1.87ct Emerald
$557 NZD