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Princess|Lab Grown|IGI

2.78ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG784642056

Shape and cutting style on the report: Princess cut

Certificate IGI LG784642056

Diamond specifications and retailer prices

From HK$12,255 HKD
$1,562 USD
As of October 30, 2026
Save HK$72,086 HKD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$84,341 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.78ct lab-grown princess diamond

This 2.78ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784642056 or 784642056. Listed at 15 retailers as of October 30, 2026, with prices from HK$12,255 to HK$84,341, a HK$72,086 spread on the same certified stone. Do Amore Diamonds lists it at HK$84,341. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.78
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642056
Dimensions7.70 × 7.67 × 5.43 mm
L/W Ratio1.00
Culet sizePointed
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
7.70 mm7.67 mm2.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642056
Side View
Table 66.0%Crown 42.6°Girdle: MediumPavilion 37.3°Culet: NoneDepth 70.8%

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$84,341 HKD|Low: HK$12,255 HKD|High: HK$133,377 HKD|Avg: HK$37,914 HKD|-36.8%
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
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 11HK$12,255 HKD
Retailer 2HK$13,330 HKD
Retailer 9HK$15,040 HKD
Retailer 5HK$15,495 HKD
Retailer 12HK$19,826 HKD
Retailer 7HK$22,847 HKD
Retailer 4HK$22,941 HKD
Retailer 15HK$24,510 HKD
Retailer 8HK$25,138 HKD
Retailer 13HK$26,222 HKD
Retailer 3HK$29,406 HKD
Retailer 6HK$39,268 HKD
Retailer 14HK$45,047 HKD
Retailer 10HK$60,647 HKD
Do Amore DiamondsHK$84,341 HKD

35 data points across 15 retailers

15 retailersHK$12,255 HKD to HK$84,341 HKD

A
Cheapest Retailer
-
HK$12,255 HKD
$1,562 USD
A
Retailer 2
-
HK$13,330 HKD
$1,699 USD
View
A
Retailer 3
-
HK$15,040 HKD
$1,917 USD
View
A
Retailer 4
-
HK$15,495 HKD
$1,975 USD
View
A
Retailer 5
-
HK$19,826 HKD
$2,527 USD
View
A
Retailer 6
-
HK$22,062 HKD
$2,812 USD
View
A
Retailer 7
-
HK$22,847 HKD
$2,912 USD
View
Final sale: no returns
A
Retailer 8
-
HK$22,941 HKD
$2,924 USD
View
A
Retailer 9
-
HK$25,138 HKD
$3,204 USD
View
A
Retailer 10
-
HK$26,222 HKD
€3,183 EUR
View
A
Retailer 11
-
HK$29,406 HKD
$3,748 USD
View
B+
Retailer 12
-
HK$39,268 HKD
$5,005 USD
View
B+
Retailer 13
-
HK$45,047 HKD
£4,521 GBP
View
B+
Retailer 14
-
HK$60,647 HKD
$7,730 USD
View
Most Expensive
B
Do Amore Diamonds
27-C8A20BDE3 · Oct 31
HK$84,341 HKD
$10,750 USD
View
14 more retailers have this diamond
Prices start from HK$12,255 HKDSave up to HK$72,086 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
2.78ct Princess
HK$12,255 HKD