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Emerald|Lab Grown|IGI

0.66ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG805671998

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG805671998

Diamond specifications and retailer prices

From $296 NZD
HK$1,300 HKD
As of November 1, 2026
Save $451 NZD (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $746 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 0.66ct lab-grown emerald diamond

This 0.66ct lab-grown emerald sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805671998 or 805671998. Listed at 6 retailers as of November 1, 2026, with prices from $296 to $746, a $451 spread on the same certified stone. Brilliant Earth lists it at $746. 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

0.66
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805671998
Dimensions4.75 × 4.74 × 3.21 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.75 mm4.74 mm0.66 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805671998
Side View
Table 71.0%Crown 39.8°Girdle: MediumPavilion 39.5°Culet: NoneDepth 67.7%

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 1
Current: $746 NZD|Low: $296 NZD|High: $906 NZD|Avg: $539 NZD|-17.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$296 NZD
Retailer 4$341 NZD
Retailer 3$448 NZD
Retailer 2$599 NZD
Retailer 5$706 NZD
Brilliant Earth$746 NZD

16 data points across 6 retailers

6 retailers$296 NZD to $746 NZD

A
Cheapest Retailer
-
$296 NZD
HK$1,300 HKD
Retailer 2
-
$341 NZD
$192 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$448 NZD
€240 EUR
View
B+
Retailer 4
-
$599 NZD
$337 USD
View
B
Retailer 5
-
$706 NZD
SGD 537 SGD
View
Most Expensive
B+
Brilliant Earth
20782842A · Nov 2
$746 NZD
$420 USD
View
5 more retailers have this diamond
Prices start from $296 NZDSave up to $451 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
0.66ct Emerald
$296 NZD