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Princess|Lab Grown|IGI

1.51ct E SI2 Princess Lab Grown Diamond

ID • E/SI2 • IGI LG670465310

Shape and cutting style on the report: Princess cut

Certificate IGI LG670465310

Diamond specifications and retailer prices

From HK$2,205 HKD
$281 USD
As of October 27, 2026
Save HK$9,251 HKD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$11,456 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG670465310 or 670465310. Listed at 16 retailers as of October 27, 2026, with prices from HK$2,205 to HK$11,456, a HK$9,251 spread on the same certified stone. Brilliant Earth lists it at HK$11,456. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670465310
Dimensions6.23 × 6.21 × 4.44 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
6.23 mm6.21 mm1.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG670465310
Side View
Table 68.0%Crown 42.9°Girdle: MediumPavilion 37.8°Culet: NoneDepth 71.5%

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: Oct 27
Current: HK$11,456 HKD|Low: HK$2,095 HKD|High: HK$11,456 HKD|Avg: HK$5,258 HKD
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
October 29, 2026
Retailer 7HK$2,205 HKD
Retailer 10HK$2,464 HKD
Retailer 13HK$2,558 HKD
Retailer 3HK$2,731 HKD
Retailer 8HK$2,731 HKD
Retailer 14HK$3,374 HKD
Retailer 11HK$3,516 HKD
Retailer 5HK$4,512 HKD
Retailer 9HK$4,605 HKD
Retailer 16HK$4,778 HKD
Retailer 2HK$4,802 HKD
Retailer 15HK$6,944 HKD
Retailer 4HK$7,344 HKD
Retailer 6HK$8,780 HKD
Retailer 12HK$10,961 HKD
Brilliant EarthHK$11,456 HKD

33 data points across 16 retailers

16 retailersHK$2,205 HKD to HK$11,456 HKD

A
Cheapest Retailer
-
HK$2,205 HKD
$281 USD
A
Retailer 2
-
HK$2,464 HKD
$314 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,558 HKD
$326 USD
View
A
Retailer 4
-
HK$2,731 HKD
$348 USD
View
A
Retailer 5
-
HK$2,731 HKD
$348 USD
View
B+
Retailer 6
-
HK$3,374 HKD
$430 USD
View
A
Retailer 7
-
HK$3,516 HKD
£353 GBP
View
B+
Retailer 8
-
HK$4,512 HKD
$575 USD
View
B+
Retailer 9
-
HK$4,605 HKD
€559 EUR
View
B+
Retailer 10
-
HK$4,778 HKD
$609 USD
View
B+
Retailer 11
-
HK$4,802 HKD
£482 GBP
View
B
Retailer 12
-
HK$6,944 HKD
$885 USD
View
B
Retailer 13
-
HK$7,344 HKD
$936 USD
View
B
Retailer 14
-
HK$8,780 HKD
$1,119 USD
View
B
Retailer 15
-
HK$10,961 HKD
£1,100 GBP
View
Most Expensive
B
Brilliant Earth
14744428A · Oct 29
HK$11,456 HKD
$1,460 USD
View
15 more retailers have this diamond
Prices start from HK$2,205 HKDSave up to HK$9,251 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
1.51ct Princess
HK$2,205 HKD