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Princess|Lab Grown|IGI

1.78ct F SI1 Princess Lab Grown Diamond

GD • F/SI1 • IGI LG528235175

Shape and cutting style on the report: Princess cut

Certificate IGI LG528235175

Diamond specifications and retailer prices

From HK$3,915 HKD
$499 USD
As of November 1, 2026
Save HK$16,877 HKD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$20,792 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.78ct lab-grown princess diamond

This 1.78ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG528235175 or 528235175. Listed at 13 retailers as of November 1, 2026, with prices from HK$3,915 to HK$20,792, a HK$16,877 spread on the same certified stone. Do Amore Diamonds lists it at HK$20,792. 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

1.78
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528235175
Dimensions6.75 × 6.60 × 4.71 mm
L/W Ratio1.02
Culet sizePointed
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
6.75 mm6.60 mm1.78 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528235175
Side View
Table 69.5%Crown 40.5°Girdle: MediumPavilion 39.1°Culet: NoneDepth 71.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$20,792 HKD|Low: HK$3,672 HKD|High: HK$20,792 HKD|Avg: HK$7,809 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8HK$3,915 HKD
Retailer 6HK$3,923 HKD
Retailer 4HK$4,704 HKD
Retailer 10HK$4,755 HKD
Retailer 2HK$5,742 HKD
Retailer 12HK$7,516 HKD
Retailer 9HK$7,885 HKD
Retailer 7HK$8,929 HKD
Retailer 3HK$10,506 HKD
Retailer 11HK$11,578 HKD
Retailer 5HK$12,854 HKD
Do Amore DiamondsHK$20,792 HKD

36 data points across 12 retailers

13 retailersHK$3,915 HKD to HK$20,792 HKD

Retailer 1
-
HK$1,844 HKD
$235 USD
Price last confirmed 41 days ago
Retailer 2
-
HK$2,252 HKD
$287 USD
View
Price last confirmed 40 days ago
B+
Retailer 3
-
HK$3,915 HKD
$499 USD
View
B+
Retailer 4
-
HK$3,923 HKD
$500 USD
View
B+
Retailer 5
-
HK$4,755 HKD
$606 USD
View
B
Retailer 6
-
HK$5,742 HKD
£576 GBP
View
B
Retailer 7
-
HK$7,516 HKD
$958 USD
View
B
Retailer 8
-
HK$7,885 HKD
$1,005 USD
View
B
Retailer 9
-
HK$8,929 HKD
$1,138 USD
View
B
Retailer 10
-
HK$10,506 HKD
$1,339 USD
View
B
Retailer 11
-
HK$11,578 HKD
$1,476 USD
View
C
Retailer 12
-
HK$12,854 HKD
£1,290 GBP
View
Most Expensive
C
Do Amore Diamonds
27-0988B7928 · Nov 2
HK$20,792 HKD
$2,650 USD
View
12 more retailers have this diamond
Prices start from HK$3,915 HKDSave up to HK$16,877 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.

B+
1.78ct Princess
HK$3,915 HKD