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Princess|Lab Grown|IGI

2.57ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG780661909

Shape and cutting style on the report: Princess cut

Certificate IGI LG780661909

Diamond specifications and retailer prices

From HK$11,345 HKD
$1,446 USD
As of November 2, 2026
Save HK$66,723 HKD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$78,069 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 2.57ct lab-grown princess diamond

This 2.57ct 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 LG780661909 or 780661909. Listed at 16 retailers as of November 2, 2026, with prices from HK$11,345 to HK$78,069, a HK$66,723 spread on the same certified stone. Do Amore Diamonds lists it at HK$78,069. 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

2.57
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780661909
Dimensions7.34 × 7.29 × 5.36 mm
L/W Ratio1.01
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
7.34 mm7.29 mm2.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780661909
Side View
Table 70.0%Crown 43.4°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 73.5%

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$78,069 HKD|Low: HK$11,345 HKD|High: HK$123,027 HKD|Avg: HK$33,675 HKD|-36.5%
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
November 1, 2026
Retailer 13HK$11,345 HKD
Retailer 10HK$12,342 HKD
Retailer 12HK$13,997 HKD
Retailer 14HK$17,175 HKD
Retailer 9HK$17,261 HKD
Retailer 8HK$20,761 HKD
Retailer 11HK$23,884 HKD
Retailer 15HK$24,246 HKD
Retailer 4HK$27,226 HKD
Retailer 5HK$32,797 HKD
Retailer 3HK$36,619 HKD
Retailer 2HK$41,482 HKD
Retailer 7HK$46,763 HKD
Retailer 6HK$50,866 HKD
Do Amore DiamondsHK$78,069 HKD

35 data points across 15 retailers

16 retailersHK$11,345 HKD to HK$78,069 HKD

A
Cheapest Retailer
-
HK$11,345 HKD
$1,446 USD
A
Retailer 2
-
HK$12,342 HKD
$1,573 USD
View
A
Retailer 3
-
HK$13,997 HKD
$1,784 USD
View
A
Retailer 4
-
HK$17,175 HKD
$2,189 USD
View
A
Retailer 5
-
HK$17,261 HKD
$2,200 USD
View
A
Retailer 6
-
HK$20,761 HKD
$2,646 USD
View
A
Retailer 7
-
HK$21,137 HKD
$2,694 USD
View
Final sale: no returns
A
Retailer 8
-
HK$23,884 HKD
$3,044 USD
View
A
Retailer 9
-
HK$24,246 HKD
€2,943 EUR
View
A
Retailer 10
-
HK$27,226 HKD
$3,470 USD
View
B+
Retailer 11
-
HK$32,797 HKD
$4,180 USD
View
B+
Retailer 12
-
HK$36,619 HKD
$4,667 USD
View
B+
Retailer 13
-
HK$41,482 HKD
£4,163 GBP
View
B+
Retailer 14
-
HK$46,763 HKD
$5,960 USD
View
B+
Retailer 15
-
HK$50,866 HKD
$6,483 USD
View
Most Expensive
B
Do Amore Diamonds
27-A584B1DBF · Nov 2
HK$78,069 HKD
$9,950 USD
View
15 more retailers have this diamond
Prices start from HK$11,345 HKDSave up to HK$66,723 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
2.57ct Princess
HK$11,345 HKD