CaratHunter
Plans
Emerald|Lab Grown|IGI

1.66ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG626437419

Shape and cutting style on the report: Emerald cut

Certificate IGI LG626437419

Diamond specifications and retailer prices

From $271 SGD
$212 USD
As of November 1, 2026
Save $1,289 SGD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,560 SGD at Brilliant Earth · As of October 31, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG626437419 or 626437419. Listed at 15 retailers as of October 31, 2026, with prices from $271 to $1,560, a $1,289 spread on the same certified stone. Brilliant Earth lists it at $1,560. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.66
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626437419
Dimensions8.31 × 5.68 × 3.72 mm
L/W Ratio1.46
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.31 mm5.68 mm1.66 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626437419
Side View
Table 64.0%Crown 34.7°Girdle: MediumPavilion 43.6°Culet: LNGDepth 65.5%

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: $1,560 SGD|Low: $225 SGD|High: $1,636 SGD|Avg: $790 SGD|-4.7%
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
November 2, 2026
Retailer 3$271 SGD
Retailer 10$314 SGD
Retailer 12$336 SGD
Retailer 13$336 SGD
Retailer 8$522 SGD
Retailer 5$579 SGD
Retailer 2$623 SGD
Retailer 4$766 SGD
Retailer 14$1,083 SGD
Retailer 11$1,087 SGD
Retailer 7$1,170 SGD
Retailer 9$1,357 SGD
Retailer 6$1,410 SGD
Brilliant Earth$1,560 SGD

40 data points across 14 retailers

15 retailers$271 SGD to $1,560 SGD

A
Cheapest Retailer
-
$271 SGD
$212 USD
A
Retailer 2
-
$314 SGD
$246 USD
View
A
Retailer 3
-
$336 SGD
$263 USD
View
Retailer 4
-
$336 SGD
$263 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$522 SGD
€389 EUR
View
B+
Retailer 6
-
$579 SGD
$453 USD
View
B+
Retailer 7
-
$623 SGD
£384 GBP
View
B+
Retailer 8
-
$766 SGD
$599 USD
View
B
Retailer 9
-
$1,083 SGD
$847 USD
View
B
Retailer 10
-
$1,087 SGD
$850 USD
View
B
Retailer 11
-
$1,157 SGD
$905 USD
View
B
Retailer 12
-
$1,170 SGD
$915 USD
View
B
Retailer 13
-
$1,357 SGD
£836 GBP
View
B
Retailer 14
-
$1,410 SGD
$1,103 USD
View
Most Expensive
B
Brilliant Earth
9811875A · Oct 31
$1,560 SGD
$1,220 USD
View
14 more retailers have this diamond
Prices start from $271 SGDSave up to $1,289 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
$271 SGD