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Princess|Lab Grown|IGI

1.71ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG514290249

Shape and cutting style on the report: Princess cut

Certificate IGI LG514290249

Diamond specifications and retailer prices

From HK$1,718 HKD
$219 USD
As of October 30, 2026
Save HK$8,953 HKD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$10,671 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.71ct lab-grown princess diamond

This 1.71ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG514290249 or 514290249. Listed at 18 retailers as of October 29, 2026, with prices from HK$1,718 to HK$10,671, a HK$8,953 spread on the same certified stone. Brilliant Earth lists it at HK$10,671. 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

1.71
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514290249
Dimensions6.61 × 6.45 × 4.55 mm
L/W Ratio1.02
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
6.61 mm6.45 mm1.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514290249
Side View
Table 66.5%Crown 44.4°Girdle: MediumPavilion 37.3°Culet: NoneDepth 70.5%

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 30
Current: HK$10,671 HKD|Low: HK$1,718 HKD|High: HK$10,750 HKD|Avg: HK$5,129 HKD|-0.7%
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
Retailer 18
October 30, 2026
Retailer 5HK$1,718 HKD
Retailer 3HK$1,922 HKD
Retailer 18HK$1,993 HKD
Retailer 13HK$2,134 HKD
Retailer 10HK$2,432 HKD
Retailer 2HK$2,736 HKD
Retailer 16HK$2,887 HKD
Retailer 7HK$3,609 HKD
Retailer 11HK$3,960 HKD
Retailer 14HK$4,182 HKD
Retailer 12HK$4,383 HKD
Retailer 17HK$4,441 HKD
Retailer 9HK$6,104 HKD
Retailer 15HK$6,850 HKD
Retailer 4HK$7,266 HKD
Retailer 8HK$8,788 HKD
Retailer 6HK$9,766 HKD
Brilliant EarthHK$10,671 HKD

35 data points across 18 retailers

18 retailersHK$1,718 HKD to HK$10,671 HKD

A
Cheapest Retailer
-
HK$1,718 HKD
$219 USD
A
Retailer 2
-
HK$1,922 HKD
$245 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,993 HKD
$254 USD
View
A
Retailer 4
-
HK$2,134 HKD
$272 USD
View
A
Retailer 5
-
HK$2,432 HKD
$310 USD
View
A
Retailer 6
-
HK$2,736 HKD
£275 GBP
View
B+
Retailer 7
-
HK$2,887 HKD
$368 USD
View
A
Retailer 8
-
HK$3,609 HKD
$460 USD
View
A
Retailer 9
-
HK$3,960 HKD
£397 GBP
View
A
Retailer 10
-
HK$4,182 HKD
$533 USD
View
B+
Retailer 11
-
HK$4,383 HKD
€532 EUR
View
B+
Retailer 12
-
HK$4,441 HKD
$566 USD
View
B
Retailer 13
-
HK$6,104 HKD
$778 USD
View
B+
Retailer 14
-
HK$6,850 HKD
$873 USD
View
B
Retailer 15
-
HK$7,266 HKD
$926 USD
View
Retailer 16
-
HK$8,788 HKD
$1,120 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
HK$9,766 HKD
£980 GBP
View
Most Expensive
B
Brilliant Earth
11260603A · Oct 29
HK$10,671 HKD
$1,360 USD
View
17 more retailers have this diamond
Prices start from HK$1,718 HKDSave up to HK$8,953 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
1.71ct Princess
HK$1,718 HKD