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Asscher|Lab Grown|IGI

1.66ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG840629952

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840629952

Diamond specifications and retailer prices

From $549 SGD
$429 USD
As of November 2, 2026
Save $4,183 SGD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,732 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.66ct lab-grown asscher diamond

This 1.66ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840629952 or 840629952. Listed at 19 retailers as of November 2, 2026, with prices from $549 to $4,732, a $4,183 spread on the same certified stone. Brilliant Earth lists it at $4,732. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629952
Dimensions6.50 × 6.50 × 4.30 mm
L/W Ratio1.00
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
6.50 mm6.50 mm1.66 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629952
Side View
Table 63.0%Crown 35.3°Girdle: MediumPavilion 39°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
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 2
Current: $4,732 SGD|Low: $549 SGD|High: $6,765 SGD|Avg: $1,869 SGD|-30.1%
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 2, 2026
Retailer 4$549 SGD
Retailer 16$614 SGD
Retailer 8$680 SGD
Retailer 2$719 SGD
Retailer 10$794 SGD
Retailer 9$863 SGD
Retailer 18$994 SGD
Retailer 3$1,070 SGD
Retailer 13$1,122 SGD
Retailer 12$1,173 SGD
Retailer 6$1,586 SGD
Retailer 17$1,908 SGD
Retailer 15$2,187 SGD
Retailer 7$2,228 SGD
Retailer 19$2,362 SGD
Retailer 11$2,901 SGD
Retailer 5$4,046 SGD
Retailer 14$4,719 SGD
Brilliant Earth$4,732 SGD

6 data points across 19 retailers

19 retailers$549 SGD to $4,732 SGD

A
Cheapest Retailer
-
$549 SGD
$429 USD
A
Retailer 2
-
$614 SGD
$480 USD
View
A
Retailer 3
-
$680 SGD
$532 USD
View
A
Retailer 4
-
$719 SGD
£443 GBP
View
A
Retailer 5
-
$794 SGD
$621 USD
View
Final sale: no returns
A
Retailer 6
-
$863 SGD
$675 USD
View
A
Retailer 7
-
$994 SGD
$777 USD
View
A
Retailer 8
-
$1,070 SGD
$837 USD
View
A
Retailer 9
-
$1,122 SGD
£691 GBP
View
A
Retailer 10
-
$1,173 SGD
ZAR 14,819 ZAR
View
B+
Retailer 11
-
$1,586 SGD
$1,240 USD
View
B+
Retailer 12
-
$1,908 SGD
$1,492 USD
View
B+
Retailer 13
-
$2,187 SGD
$1,710 USD
View
B+
Retailer 14
-
$2,228 SGD
$1,742 USD
View
B+
Retailer 15
-
$2,362 SGD
$1,847 USD
View
B
Retailer 16
-
$2,901 SGD
View
B
Retailer 17
-
$4,046 SGD
$3,164 USD
View
B
Retailer 18
-
$4,719 SGD
$3,690 USD
View
Most Expensive
B
Brilliant Earth
22348713A · Nov 2
$4,732 SGD
$3,700 USD
View
18 more retailers have this diamond
Prices start from $549 SGDSave up to $4,183 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 Asscher
$549 SGD