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Emerald|Lab Grown|IGI

1.66ct E VVS1 Emerald Lab Grown Diamond

EX • E/VVS1 • IGI LG833660591

Shape and cutting style on the report: Emerald cut

Certificate IGI LG833660591

Diamond specifications and retailer prices

From $354 SGD
$277 USD
As of October 30, 2026
Save $423 SGD (54%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,045 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG833660591 or 833660591. Listed at 3 retailers as of October 30, 2026, with a 119% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833660591
Dimensions7.71 × 5.69 × 3.89 mm
L/W Ratio1.36
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm5.69 mm1.66 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833660591
Side View
Table 63.0%Crown 37.7°Girdle: MediumPavilion 39.7°Culet: LargeDepth 68.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,045 SGD|Low: $261 SGD|High: $2,084 SGD|Avg: $833 SGD|-1.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3$354 SGD
Retailer 4$607 SGD
Retailer 5$647 SGD
Retailer 2$777 SGD
Rare Carat$2,045 SGD

37 data points across 5 retailers

3 retailers$354 SGD to $777 SGD

A
Cheapest Retailer
-
$354 SGD
$277 USD
Final sale: no returns
A
Retailer 2
-
$777 SGD
£478 GBP
View
Most Expensive
Rare Carat
833660591 · Oct 18
$2,045 SGD
$1,600 USD
View
Price last confirmed 13 days ago
2 more retailers have this diamond
Prices start from $354 SGDSave up to $423 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
$354 SGD