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Princess|Lab Grown|IGI

2.91ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG768631087

Shape and cutting style on the report: Princess cut

Certificate IGI LG768631087

Diamond specifications and retailer prices

From HK$10,365 HKD
$1,321 USD
As of October 30, 2026
Save HK$72,101 HKD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$82,466 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.91ct lab-grown princess diamond

This 2.91ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768631087 or 768631087. Listed at 17 retailers as of October 29, 2026, with prices from HK$10,365 to HK$82,466, a HK$72,101 spread on the same certified stone. Brilliant Earth lists it at HK$82,466. 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

2.91
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631087
Dimensions7.89 × 7.89 × 7.86 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
7.89 mm7.89 mm2.91 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631087
Side View
Table 67.0%Crown 39.3°Girdle: Slightly ThickPavilion 37.4°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
A+
Exceptional
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$82,466 HKD|Low: HK$10,365 HKD|High: HK$85,055 HKD|Avg: HK$38,126 HKD|-3.0%
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
October 30, 2026
Retailer 10HK$10,365 HKD
Retailer 4HK$12,507 HKD
Retailer 3HK$13,731 HKD
Retailer 16HK$14,265 HKD
Retailer 11HK$20,895 HKD
Retailer 15HK$21,021 HKD
Retailer 9HK$21,075 HKD
Retailer 12HK$21,758 HKD
Retailer 17HK$24,198 HKD
Retailer 14HK$24,865 HKD
Retailer 13HK$33,687 HKD
Retailer 5HK$35,757 HKD
Retailer 7HK$43,178 HKD
Retailer 6HK$47,628 HKD
Retailer 2HK$71,324 HKD
Retailer 8HK$73,381 HKD
Brilliant EarthHK$82,466 HKD

33 data points across 17 retailers

17 retailersHK$10,365 HKD to HK$82,466 HKD

A+
Cheapest Retailer
-
HK$10,365 HKD
$1,321 USD
A
Retailer 2
-
HK$12,507 HKD
$1,594 USD
View
A
Retailer 3
-
HK$13,731 HKD
$1,750 USD
View
A
Retailer 4
-
HK$14,265 HKD
$1,818 USD
View
A
Retailer 5
-
HK$20,895 HKD
$2,663 USD
View
A
Retailer 6
-
HK$21,021 HKD
$2,679 USD
View
A
Retailer 7
-
HK$21,075 HKD
$2,686 USD
View
Final sale: no returns
A
Retailer 8
-
HK$21,758 HKD
€2,641 EUR
View
A
Retailer 9
-
HK$24,198 HKD
$3,084 USD
View
A
Retailer 10
-
HK$24,865 HKD
$3,169 USD
View
A
Retailer 11
-
HK$33,687 HKD
$4,293 USD
View
Retailer 12
-
HK$35,757 HKD
A$7,011 AUD
View
Price last confirmed 7 days ago
Retailer 13
-
HK$43,178 HKD
£4,333 GBP
View
Price last confirmed 9 days ago
B+
Retailer 14
-
HK$47,628 HKD
$6,070 USD
View
B
Retailer 15
-
HK$71,324 HKD
$9,090 USD
View
Retailer 16
-
HK$73,381 HKD
A$14,388 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
18070555Y · Oct 29
HK$82,466 HKD
$10,510 USD
View
16 more retailers have this diamond
Prices start from HK$10,365 HKDSave up to HK$72,101 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+
2.91ct Princess
HK$10,365 HKD