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Princess|Lab Grown|IGI

1.71ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG499123056

Shape and cutting style on the report: Princess cut

Certificate IGI LG499123056

Diamond specifications and retailer prices

From HK$2,950 HKD
$376 USD
As of October 30, 2026
Save HK$20,430 HKD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$23,380 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499123056 or 499123056. Listed at 9 retailers as of October 30, 2026, with prices from HK$2,950 to HK$23,380, a HK$20,430 spread on the same certified stone. Do Amore Diamonds lists it at HK$23,380. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499123056
Dimensions6.62 × 6.58 × 4.57 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.62 mm6.58 mm1.71 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499123056
Side View
Table 67.0%Crown 40.3°Girdle: MediumPavilion 38.3°Culet: NoneDepth 69.5%

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$23,380 HKD|Low: HK$2,110 HKD|High: HK$23,380 HKD|Avg: HK$8,462 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 4HK$2,950 HKD
Retailer 9HK$3,256 HKD
Retailer 5HK$4,064 HKD
Retailer 3HK$5,280 HKD
Retailer 7HK$6,355 HKD
Retailer 8HK$6,687 HKD
Retailer 6HK$8,858 HKD
Retailer 10HK$9,745 HKD
Retailer 2HK$14,109 HKD
Do Amore DiamondsHK$23,380 HKD

10 data points across 10 retailers

9 retailersHK$2,950 HKD to HK$23,380 HKD

Retailer 1
-
HK$2,636 HKD
$336 USD
Price last confirmed 20 days ago
A
Retailer 2
-
HK$2,950 HKD
$376 USD
View
Final sale: no returns
Retailer 3
-
HK$3,060 HKD
$390 USD
View
Price last confirmed 18 days ago
Retailer 4
-
HK$3,264 HKD
$416 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$4,064 HKD
$518 USD
View
B+
Retailer 6
-
HK$5,280 HKD
$673 USD
View
Retailer 7
-
HK$11,596 HKD
$1,478 USD
View
Price last confirmed 31 days ago
B
Retailer 8
-
HK$14,109 HKD
£1,416 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2F80CE9C6 · Oct 31
HK$23,380 HKD
$2,980 USD
View
8 more retailers have this diamond
Prices start from HK$2,950 HKDSave up to HK$20,430 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$2,950 HKD