Emerald|Lab Grown|IGI

1.66ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG662408415

Shape and cutting style on the report: Emerald cut

Certificate IGI LG662408415

Diamond specifications and retailer prices

From $597 NZD
$336 USD
As of November 1, 2026
Save $6,014 NZD (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $6,612 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 top-tier cut grade and certified by IGI LG662408415 or 662408415. Listed at 26 retailers as of November 1, 2026, with prices from $597 to $6,612, a $6,014 spread on the same certified stone. Brilliant Earth lists it at $6,612. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662408415
Dimensions7.68 × 5.51 × 3.73 mm
L/W Ratio1.39
Culet sizeLong
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
7.68 mm5.51 mm1.66 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662408415
Side View
Table 61.0%Crown 34.8°Girdle: Slightly ThickPavilion 41.1°Culet: LNGDepth 67.7%

Caratlytics Score

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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: $6,612 NZD|Low: $533 NZD|High: $7,678 NZD|Avg: $1,806 NZD|-13.9%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 9$533 NZD
Retailer 11$597 NZD
Retailer 6$619 NZD
Retailer 10$652 NZD
Retailer 3$661 NZD
Retailer 13$942 NZD
Retailer 15$1,082 NZD
Retailer 8$1,132 NZD
Retailer 12$1,140 NZD
Retailer 2$1,174 NZD
Retailer 17$1,541 NZD
Retailer 18$1,601 NZD
Retailer 7$2,119 NZD
Retailer 5$2,126 NZD
Retailer 4$2,325 NZD
Retailer 16$2,663 NZD
Retailer 14$2,719 NZD
Retailer 19$4,976 NZD
Brilliant Earth$6,612 NZD

42 data points across 19 retailers

26 retailers$597 NZD to $6,612 NZD

Retailer 1
-
$533 NZD
$300 USD
Price last confirmed 33 days ago
A
Retailer 2
-
$597 NZD
$336 USD
View
Final sale: no returns
Retailer 3
-
$619 NZD
$348 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$652 NZD
$367 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$661 NZD
$372 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$728 NZD
HK$3,200 HKD
View
A
Retailer 7
-
$889 NZD
$500 USD
View
A
Retailer 8
-
$942 NZD
$530 USD
View
A
Retailer 9
-
$1,082 NZD
€580 EUR
View
A
Retailer 10
-
$1,132 NZD
$637 USD
View
A
Retailer 11
-
$1,140 NZD
ZAR 10,366 ZAR
View
A
Retailer 12
-
$1,174 NZD
£520 GBP
View
A
Retailer 13
-
$1,541 NZD
A$1,334 AUD
View
A
Retailer 14
-
$1,601 NZD
$901 USD
View
Retailer 15
-
$1,712 NZD
$963 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$2,119 NZD
SGD 1,611 SGD
View
B+
Retailer 17
-
$2,124 NZD
$1,195 USD
View
Retailer 18
-
$2,126 NZD
$1,196 USD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$2,210 NZD
$1,244 USD
View
B+
Retailer 20
-
$2,325 NZD
$1,308 USD
View
B+
Retailer 21
-
$2,542 NZD
$1,430 USD
View
B+
Retailer 22
-
$2,663 NZD
£1,180 GBP
View
B+
Retailer 23
-
$2,689 NZD
$1,513 USD
View
B+
Retailer 24
-
$2,719 NZD
A$2,354 AUD
View
B
Retailer 25
-
$4,976 NZD
$2,800 USD
View
Most Expensive
B
Brilliant Earth
14067393A · Nov 2
$6,612 NZD
$3,720 USD
View
25 more retailers have this diamond
Prices start from $597 NZDSave up to $6,014 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
$597 NZD