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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 $430 SGD
$336 USD
As of November 1, 2026
Save $4,328 SGD (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,758 SGD 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 $430 to $4,758, a $4,328 spread on the same certified stone. Brilliant Earth lists it at $4,758. 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: $4,758 SGD|Low: $384 SGD|High: $5,525 SGD|Avg: $1,307 SGD|-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 3, 2026
Retailer 9$384 SGD
Retailer 11$430 SGD
Retailer 6$445 SGD
Retailer 10$469 SGD
Retailer 3$476 SGD
Retailer 13$678 SGD
Retailer 15$779 SGD
Retailer 8$815 SGD
Retailer 12$821 SGD
Retailer 2$845 SGD
Retailer 17$1,109 SGD
Retailer 18$1,152 SGD
Retailer 7$1,525 SGD
Retailer 5$1,530 SGD
Retailer 4$1,673 SGD
Retailer 16$1,917 SGD
Retailer 14$1,957 SGD
Retailer 19$3,581 SGD
Brilliant Earth$4,758 SGD

43 data points across 19 retailers

26 retailers$430 SGD to $4,758 SGD

Retailer 1
-
$384 SGD
$300 USD
Price last confirmed 34 days ago
A
Retailer 2
-
$430 SGD
$336 USD
View
Final sale: no returns
Retailer 3
-
$445 SGD
$348 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$469 SGD
$367 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$476 SGD
$372 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$524 SGD
HK$3,200 HKD
View
A
Retailer 7
-
$639 SGD
$500 USD
View
A
Retailer 8
-
$678 SGD
$530 USD
View
A
Retailer 9
-
$779 SGD
€580 EUR
View
A
Retailer 10
-
$815 SGD
$637 USD
View
A
Retailer 11
-
$821 SGD
ZAR 10,366 ZAR
View
A
Retailer 12
-
$845 SGD
£520 GBP
View
A
Retailer 13
-
$1,109 SGD
A$1,334 AUD
View
A
Retailer 14
-
$1,152 SGD
$901 USD
View
Retailer 15
-
$1,232 SGD
$963 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$1,525 SGD
View
B+
Retailer 17
-
$1,528 SGD
$1,195 USD
View
Retailer 18
-
$1,530 SGD
$1,196 USD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$1,591 SGD
$1,244 USD
View
B+
Retailer 20
-
$1,673 SGD
$1,308 USD
View
B+
Retailer 21
-
$1,829 SGD
$1,430 USD
View
B+
Retailer 22
-
$1,917 SGD
£1,180 GBP
View
B+
Retailer 23
-
$1,935 SGD
$1,513 USD
View
B+
Retailer 24
-
$1,957 SGD
A$2,354 AUD
View
B
Retailer 25
-
$3,581 SGD
$2,800 USD
View
Most Expensive
B
Brilliant Earth
14067393A · Nov 2
$4,758 SGD
$3,720 USD
View
25 more retailers have this diamond
Prices start from $430 SGDSave up to $4,328 SGD

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
$430 SGD