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Princess|Lab Grown|IGI

1.51ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG648452613

Shape and cutting style on the report: Princess cut

Certificate IGI LG648452613

Diamond specifications and retailer prices

From HK$1,491 HKD
$190 USD
As of October 30, 2026
Save HK$7,689 HKD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,179 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648452613 or 648452613. Listed at 18 retailers as of October 29, 2026, with prices from HK$1,491 to HK$9,179, a HK$7,689 spread on the same certified stone. Brilliant Earth lists it at HK$9,179. 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
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648452613
Dimensions6.36 × 6.35 × 4.15 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.36 mm6.35 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648452613
Side View
Table 71.0%Crown 40.5°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 65.4%

Caratlytics Score

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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$9,179 HKD|Low: HK$1,428 HKD|High: HK$9,415 HKD|Avg: HK$4,336 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 30, 2026
Retailer 10HK$1,491 HKD
Retailer 6HK$1,655 HKD
Retailer 4HK$1,726 HKD
Retailer 12HK$1,844 HKD
Retailer 16HK$1,844 HKD
Retailer 2HK$2,372 HKD
Retailer 5HK$2,526 HKD
Retailer 9HK$3,358 HKD
Retailer 11HK$3,452 HKD
Retailer 8HK$3,876 HKD
Retailer 14HK$5,939 HKD
Retailer 15HK$5,963 HKD
Retailer 3HK$7,140 HKD
Retailer 13HK$8,679 HKD
Retailer 7HK$9,111 HKD
Brilliant EarthHK$9,179 HKD

38 data points across 16 retailers

18 retailersHK$1,491 HKD to HK$9,179 HKD

A
Cheapest Retailer
-
HK$1,491 HKD
$190 USD
A
Retailer 2
-
HK$1,655 HKD
$211 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,726 HKD
$220 USD
View
A
Retailer 4
-
HK$1,844 HKD
$235 USD
View
A
Retailer 5
-
HK$1,844 HKD
$235 USD
View
A
Retailer 6
-
HK$2,372 HKD
£238 GBP
View
B+
Retailer 7
-
HK$2,526 HKD
$322 USD
View
A
Retailer 8
-
HK$3,358 HKD
£337 GBP
View
A
Retailer 9
-
HK$3,452 HKD
€419 EUR
View
B+
Retailer 10
-
HK$3,538 HKD
$451 USD
View
B+
Retailer 11
-
HK$3,876 HKD
$494 USD
View
B
Retailer 12
-
HK$5,939 HKD
$757 USD
View
B
Retailer 13
-
HK$5,963 HKD
$760 USD
View
B
Retailer 14
-
HK$6,361 HKD
$811 USD
View
B
Retailer 15
-
HK$7,140 HKD
$910 USD
View
B
Retailer 16
-
HK$8,679 HKD
£871 GBP
View
B
Retailer 17
-
HK$9,111 HKD
$1,161 USD
View
Most Expensive
B
Brilliant Earth
16229883A · Oct 29
HK$9,179 HKD
$1,170 USD
View
17 more retailers have this diamond
Prices start from HK$1,491 HKDSave up to HK$7,689 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$1,491 HKD