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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 $294 SGD
$230 USD
As of October 30, 2026
Save $1,213 SGD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,036 SGD at Rare Carat · As of October 18, 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 October 30, 2026, with a 413% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

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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: Oct 30
Current: $3,036 SGD|Low: $283 SGD|High: $3,094 SGD|Avg: $876 SGD|-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 1, 2026
Retailer 15$294 SGD
Retailer 4$327 SGD
Retailer 7$341 SGD
Retailer 6$364 SGD
Retailer 16$364 SGD
Retailer 14$509 SGD
Retailer 10$626 SGD
Retailer 9$681 SGD
Retailer 8$694 SGD
Retailer 11$851 SGD
Retailer 5$1,171 SGD
Retailer 13$1,175 SGD
Retailer 12$1,422 SGD
Retailer 2$1,460 SGD
Retailer 3$1,483 SGD
Rare Carat$3,036 SGD

45 data points across 16 retailers

18 retailers$294 SGD to $1,507 SGD

A
Cheapest Retailer
-
$294 SGD
$230 USD
A
Retailer 2
-
$327 SGD
$256 USD
View
Final sale: no returns
A
Retailer 3
-
$341 SGD
$267 USD
View
Retailer 4
-
$364 SGD
$285 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$364 SGD
$285 USD
View
B+
Retailer 6
-
$509 SGD
$398 USD
View
A
Retailer 7
-
$626 SGD
ZAR 7,908 ZAR
View
A
Retailer 8
-
$681 SGD
£420 GBP
View
A
Retailer 9
-
$694 SGD
$543 USD
View
A
Retailer 10
-
$851 SGD
A$1,024 AUD
View
A
Retailer 11
-
$1,171 SGD
$916 USD
View
A
Retailer 12
-
$1,175 SGD
$919 USD
View
A
Retailer 13
-
$1,238 SGD
$968 USD
View
B+
Retailer 14
-
$1,422 SGD
£876 GBP
View
B+
Retailer 15
-
$1,460 SGD
£899 GBP
View
B+
Retailer 16
-
$1,483 SGD
$1,160 USD
View
B+
Retailer 17
-
$1,507 SGD
$1,179 USD
View
Most Expensive
Rare Carat
GD5859_l_680560448 · Oct 18
$3,036 SGD
$2,375 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from $294 SGDSave up to $1,213 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
$294 SGD