CaratHunter
Plans
Emerald|Lab Grown|IGI

1.66ct D IF Emerald Lab Grown Diamond

VG • D/IF • IGI LG843604942

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843604942

Diamond specifications and retailer prices

From $492 NZD
$277 USD
As of November 1, 2026
Save $5,284 NZD (91%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,776 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.66ct lab-grown emerald diamond

This 1.66ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG843604942 or 843604942. Listed at 15 retailers as of November 1, 2026, with prices from $492 to $5,776, a $5,284 spread on the same certified stone. Brilliant Earth lists it at $5,776. 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

1.66
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604942
Dimensions7.87 × 5.57 × 3.79 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.87 mm5.57 mm1.66 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604942
Side View
Table 65.0%Crown 39.4°Girdle: MediumPavilion 35.8°Culet: LargeDepth 68.0%

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: Nov 1
Current: $5,776 NZD|Low: $462 NZD|High: $6,718 NZD|Avg: $2,228 NZD|-14.0%
Brilliant Earth
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
November 1, 2026
Retailer 12$492 NZD
Retailer 6$571 NZD
Retailer 13$924 NZD
Retailer 11$942 NZD
Retailer 3$1,006 NZD
Retailer 8$1,122 NZD
Retailer 9$1,569 NZD
Retailer 7$1,681 NZD
Retailer 15$1,873 NZD
Retailer 4$1,931 NZD
Retailer 5$2,163 NZD
Retailer 2$2,697 NZD
Retailer 14$4,372 NZD
Retailer 10$4,896 NZD
Brilliant Earth$5,776 NZD

14 data points across 15 retailers

15 retailers$492 NZD to $5,776 NZD

A
Cheapest Retailer
-
$492 NZD
$277 USD
A
Retailer 2
-
$571 NZD
$321 USD
View
A
Retailer 3
-
$924 NZD
$520 USD
View
A
Retailer 4
-
$942 NZD
$530 USD
View
A
Retailer 5
-
$1,006 NZD
$566 USD
View
A
Retailer 6
-
$1,122 NZD
€601 EUR
View
A
Retailer 7
-
$1,569 NZD
A$1,358 AUD
View
B+
Retailer 8
-
$1,681 NZD
$946 USD
View
B+
Retailer 9
-
$1,873 NZD
$1,054 USD
View
B+
Retailer 10
-
$1,931 NZD
$1,087 USD
View
B+
Retailer 11
-
$2,163 NZD
$1,217 USD
View
B+
Retailer 12
-
$2,697 NZD
£1,195 GBP
View
B
Retailer 13
-
$4,372 NZD
$2,460 USD
View
B
Retailer 14
-
$4,896 NZD
$2,755 USD
View
Most Expensive
B
Brilliant Earth
22166412Y · Nov 2
$5,776 NZD
$3,250 USD
View
14 more retailers have this diamond
Prices start from $492 NZDSave up to $5,284 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
1.66ct Emerald
$492 NZD