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Asscher|Lab Grown|IGI

1.66ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG840634858

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840634858

Diamond specifications and retailer prices

From HK$4,413 HKD
£443 GBP
As of November 2, 2026
Save HK$24,618 HKD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$29,031 HKD 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 LG840634858 or 840634858. Listed at 16 retailers as of November 2, 2026, with prices from HK$4,413 to HK$29,031, a HK$24,618 spread on the same certified stone. Brilliant Earth lists it at HK$29,031. 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°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634858
Dimensions6.57 × 6.47 × 4.30 mm
L/W Ratio1.02
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
6.57 mm6.47 mm1.66 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634858
Side View
Table 66.0%Crown 35°Girdle: MediumPavilion 39.7°Culet: NoneDepth 66.5%

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 2
Current: HK$29,031 HKD|Low: HK$4,413 HKD|High: HK$41,506 HKD|Avg: HK$14,075 HKD|-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
November 2, 2026
Retailer 9HK$4,413 HKD
Retailer 6HK$4,872 HKD
Retailer 16HK$5,296 HKD
Retailer 3HK$6,567 HKD
Retailer 11HK$6,884 HKD
Retailer 10HK$7,197 HKD
Retailer 15HK$8,584 HKD
Retailer 4HK$9,729 HKD
Retailer 2HK$10,184 HKD
Retailer 5HK$13,670 HKD
Retailer 14HK$14,492 HKD
Retailer 13HK$15,325 HKD
Retailer 7HK$17,796 HKD
Retailer 8HK$24,825 HKD
Retailer 12HK$28,952 HKD
Brilliant EarthHK$29,031 HKD

18 data points across 16 retailers

16 retailersHK$4,413 HKD to HK$29,031 HKD

A
Cheapest Retailer
-
HK$4,413 HKD
£443 GBP
A
Retailer 2
-
HK$4,872 HKD
$621 USD
View
Final sale: no returns
A
Retailer 3
-
HK$5,296 HKD
$675 USD
View
A
Retailer 4
-
HK$6,567 HKD
$837 USD
View
A
Retailer 5
-
HK$6,884 HKD
£691 GBP
View
A
Retailer 6
-
HK$7,197 HKD
ZAR 14,819 ZAR
View
A
Retailer 7
-
HK$8,584 HKD
€1,042 EUR
View
B+
Retailer 8
-
HK$9,729 HKD
$1,240 USD
View
B+
Retailer 9
-
HK$10,184 HKD
$1,298 USD
View
B+
Retailer 10
-
HK$13,670 HKD
$1,742 USD
View
B+
Retailer 11
-
HK$14,492 HKD
$1,847 USD
View
B+
Retailer 12
-
HK$15,325 HKD
£1,538 GBP
View
B+
Retailer 13
-
HK$17,796 HKD
SGD 3,065 SGD
View
B
Retailer 14
-
HK$24,825 HKD
$3,164 USD
View
B
Retailer 15
-
HK$28,952 HKD
$3,690 USD
View
Most Expensive
B
Brilliant Earth
21861625A · Nov 2
HK$29,031 HKD
$3,700 USD
View
15 more retailers have this diamond
Prices start from HK$4,413 HKDSave up to HK$24,618 HKD

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
HK$4,413 HKD