CaratHunter
Plans
Emerald|Lab Grown|IGI

1.66ct D IF Emerald Lab Grown Diamond

VG • D/IF • IGI LG843604942

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843604942

Diamond specifications and retailer prices

From $354 SGD
$277 USD
As of November 1, 2026
Save $3,802 SGD (91%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,156 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 very-good cut grade and certified by IGI LG843604942 or 843604942. Listed at 15 retailers as of November 1, 2026, with prices from $354 to $4,156, a $3,802 spread on the same certified stone. Brilliant Earth lists it at $4,156. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.66
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604942
Dimensions7.87 × 5.57 × 3.79 mm
L/W Ratio1.41
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
7.87 mm5.57 mm1.66 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604942
Side View
Table 65.0%Crown 39.4°Girdle: MediumPavilion 35.8°Culet: LargeDepth 68.0%

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: $4,156 SGD|Low: $333 SGD|High: $4,834 SGD|Avg: $1,603 SGD|-14.0%
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
November 1, 2026
Retailer 12$354 SGD
Retailer 6$411 SGD
Retailer 13$665 SGD
Retailer 11$678 SGD
Retailer 3$724 SGD
Retailer 8$807 SGD
Retailer 9$1,129 SGD
Retailer 7$1,210 SGD
Retailer 15$1,348 SGD
Retailer 4$1,390 SGD
Retailer 5$1,556 SGD
Retailer 2$1,941 SGD
Retailer 14$3,146 SGD
Retailer 10$3,523 SGD
Brilliant Earth$4,156 SGD

14 data points across 15 retailers

15 retailers$354 SGD to $4,156 SGD

A
Cheapest Retailer
-
$354 SGD
$277 USD
A
Retailer 2
-
$411 SGD
$321 USD
View
A
Retailer 3
-
$665 SGD
$520 USD
View
A
Retailer 4
-
$678 SGD
$530 USD
View
A
Retailer 5
-
$724 SGD
$566 USD
View
A
Retailer 6
-
$807 SGD
€601 EUR
View
A
Retailer 7
-
$1,129 SGD
A$1,358 AUD
View
B+
Retailer 8
-
$1,210 SGD
$946 USD
View
B+
Retailer 9
-
$1,348 SGD
$1,054 USD
View
B+
Retailer 10
-
$1,390 SGD
$1,087 USD
View
B+
Retailer 11
-
$1,556 SGD
$1,217 USD
View
B+
Retailer 12
-
$1,941 SGD
£1,195 GBP
View
B
Retailer 13
-
$3,146 SGD
$2,460 USD
View
B
Retailer 14
-
$3,523 SGD
$2,755 USD
View
Most Expensive
B
Brilliant Earth
22166412Y · Nov 2
$4,156 SGD
$3,250 USD
View
14 more retailers have this diamond
Prices start from $354 SGDSave up to $3,802 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