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Princess|Lab Grown|IGI

1.51ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG631444203

Shape and cutting style on the report: Princess cut

Certificate IGI LG631444203

Diamond specifications and retailer prices

From HK$1,671 HKD
$213 USD
As of October 30, 2026
Save HK$8,029 HKD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$9,700 HKD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG631444203 or 631444203. Listed at 14 retailers as of October 30, 2026, with prices from HK$1,671 to HK$9,700, a HK$8,029 spread on the same certified stone. Reve Diamonds lists it at HK$9,700. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631444203
Dimensions6.37 × 6.23 × 4.55 mm
L/W Ratio1.02
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
6.37 mm6.23 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG631444203
Side View
Table 71.0%Crown 42.4°Girdle: THN-MEDPavilion 39.7°Culet: NoneDepth 73.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$3,843 HKD|Low: HK$1,107 HKD|High: HK$8,420 HKD|Avg: HK$3,484 HKD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 4HK$1,107 HKD
Retailer 8HK$1,671 HKD
Retailer 3HK$1,867 HKD
Retailer 13HK$1,946 HKD
Retailer 9HK$2,079 HKD
Retailer 12HK$2,079 HKD
Retailer 10HK$3,570 HKD
Retailer 5HK$3,609 HKD
Retailer 1HK$3,843 HKD
Retailer 2HK$4,660 HKD
Retailer 11HK$6,677 HKD
Retailer 7HK$6,700 HKD
Retailer 6HK$8,360 HKD

42 data points across 13 retailers

14 retailersHK$1,671 HKD to HK$9,700 HKD

A
Cheapest Retailer
-
HK$1,671 HKD
$213 USD
A
Retailer 2
-
HK$1,867 HKD
$238 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,946 HKD
$248 USD
View
A
Retailer 4
-
HK$2,079 HKD
$265 USD
View
A
Retailer 5
-
HK$2,079 HKD
$265 USD
View
B+
Retailer 6
-
HK$3,570 HKD
$455 USD
View
B+
Retailer 7
-
HK$3,609 HKD
$460 USD
View
B+
Retailer 8
-
HK$3,843 HKD
£386 GBP
View
B+
Retailer 9
-
HK$4,660 HKD
$594 USD
View
B
Retailer 10
-
HK$6,677 HKD
$851 USD
View
B
Retailer 11
-
HK$6,700 HKD
$854 USD
View
B
Retailer 12
-
HK$7,090 HKD
$904 USD
View
B
Retailer 13
-
HK$8,360 HKD
£839 GBP
View
Most Expensive
B
Reve Diamonds
062840DEF · Oct 30
HK$9,700 HKD
$1,236 USD
View
13 more retailers have this diamond
Prices start from HK$1,671 HKDSave up to HK$8,029 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$1,671 HKD