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Asscher|Lab Grown|IGI

1.78ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG788630252

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG788630252

Diamond specifications and retailer prices

From HK$3,099 HKD
$395 USD
As of October 30, 2026
Save HK$27,970 HKD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$31,069 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.78ct lab-grown asscher diamond

This 1.78ct 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 LG788630252 or 788630252. Listed at 12 retailers as of October 30, 2026, with prices from HK$3,099 to HK$31,069, a HK$27,970 spread on the same certified stone. Brilliant Earth lists it at HK$31,069. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788630252
Dimensions6.78 × 6.70 × 4.31 mm
L/W Ratio1.01
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
6.78 mm6.70 mm1.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788630252
Side View
Table 63.0%Crown 30.1°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 64.3%

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: Oct 30
Current: HK$31,069 HKD|Low: HK$3,099 HKD|High: HK$53,822 HKD|Avg: HK$18,511 HKD|-32.1%
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
Retailer 20
October 31, 2026
Retailer 13HK$3,099 HKD
Retailer 18HK$3,562 HKD
Retailer 16HK$6,096 HKD
Retailer 17HK$6,237 HKD
Retailer 4HK$6,794 HKD
Retailer 2HK$10,286 HKD
Retailer 9HK$11,078 HKD
Retailer 12HK$11,403 HKD
Retailer 7HK$12,583 HKD
Retailer 6HK$12,802 HKD
Retailer 3HK$12,853 HKD
Retailer 15HK$13,652 HKD
Retailer 20HK$16,451 HKD
Retailer 10HK$19,567 HKD
Retailer 5HK$21,642 HKD
Retailer 11HK$24,098 HKD
Retailer 8HK$27,531 HKD
Retailer 14HK$27,538 HKD
Retailer 19HK$30,598 HKD
Brilliant EarthHK$31,069 HKD

29 data points across 20 retailers

12 retailersHK$3,099 HKD to HK$31,069 HKD

A
Cheapest Retailer
-
HK$3,099 HKD
$395 USD
A
Retailer 2
-
HK$3,562 HKD
$454 USD
View
A
Retailer 3
-
HK$6,096 HKD
$777 USD
View
A
Retailer 4
-
HK$6,237 HKD
$795 USD
View
A
Retailer 5
-
HK$6,794 HKD
$866 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$10,286 HKD
$1,311 USD
View
B+
Retailer 7
-
HK$12,853 HKD
$1,638 USD
View
B+
Retailer 8
-
HK$13,652 HKD
$1,740 USD
View
Retailer 9
-
HK$16,451 HKD
£1,651 GBP
View
Price last confirmed 13 days ago
B
Retailer 10
-
HK$27,538 HKD
$3,510 USD
View
Retailer 11
-
HK$30,598 HKD
$3,900 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21413558Y · Oct 30
HK$31,069 HKD
$3,960 USD
View
11 more retailers have this diamond
Prices start from HK$3,099 HKDSave up to HK$27,970 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
1.78ct Asscher
HK$3,099 HKD