Emerald|Lab Grown|IGI

1.66ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG680560448

Shape and cutting style on the report: Emerald cut

Certificate IGI LG680560448

Diamond specifications and retailer prices

From $408 NZD
$230 USD
As of November 1, 2026
Save $3,806 NZD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,214 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG680560448 or 680560448. Listed at 18 retailers as of November 1, 2026, with prices from $408 to $4,214, a $3,806 spread on the same certified stone. Rare Carat lists it at $4,214. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680560448
Dimensions7.84 × 5.49 × 3.78 mm
L/W Ratio1.43
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
7.84 mm5.49 mm1.66 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680560448
Side View
Table 62.0%Crown 34.6°Girdle: MediumPavilion 39.3°Culet: LargeDepth 68.9%

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: $4,214 NZD|Low: $392 NZD|High: $4,294 NZD|Avg: $1,220 NZD|-1.9%
Rare Carat
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
November 2, 2026
Retailer 15$408 NZD
Retailer 4$454 NZD
Retailer 7$474 NZD
Retailer 6$506 NZD
Retailer 16$506 NZD
Retailer 14$706 NZD
Retailer 9$873 NZD
Retailer 2$946 NZD
Retailer 8$963 NZD
Retailer 11$1,181 NZD
Retailer 5$1,625 NZD
Retailer 13$1,631 NZD
Retailer 12$1,974 NZD
Retailer 10$2,026 NZD
Retailer 3$2,058 NZD
Rare Carat$4,214 NZD

45 data points across 16 retailers

18 retailers$408 NZD to $4,214 NZD

A
Cheapest Retailer
-
$408 NZD
$230 USD
A
Retailer 2
-
$454 NZD
$256 USD
View
Final sale: no returns
A
Retailer 3
-
$474 NZD
$267 USD
View
Retailer 4
-
$506 NZD
$285 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$506 NZD
$285 USD
View
B+
Retailer 6
-
$706 NZD
$398 USD
View
A
Retailer 7
-
$873 NZD
ZAR 7,948 ZAR
View
A
Retailer 8
-
$946 NZD
£420 GBP
View
A
Retailer 9
-
$963 NZD
$543 USD
View
A
Retailer 10
-
$1,181 NZD
A$1,024 AUD
View
A
Retailer 11
-
$1,625 NZD
$916 USD
View
A
Retailer 12
-
$1,631 NZD
$919 USD
View
A
Retailer 13
-
$1,718 NZD
$968 USD
View
B+
Retailer 14
-
$1,974 NZD
£876 GBP
View
B+
Retailer 15
-
$2,026 NZD
£899 GBP
View
B+
Retailer 16
-
$2,058 NZD
$1,160 USD
View
B+
Retailer 17
-
$2,092 NZD
$1,179 USD
View
Most Expensive
B
Rare Carat
GD5859_l_680560448 · Nov 1
$4,214 NZD
$2,375 USD
View
17 more retailers have this diamond
Prices start from $408 NZDSave up to $3,806 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
$408 NZD