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Princess|Lab Grown|IGI

4.51ct E VVS2 Princess Lab Grown Diamond

EX • E/VVS2 • IGI LG817612358

Shape and cutting style on the report: Princess cut

Certificate IGI LG817612358

Diamond specifications and retailer prices

From HK$9,242 HKD
$1,178 USD
As of October 30, 2026
Save HK$40,500 HKD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$49,742 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.51ct lab-grown princess diamond

This 4.51ct lab-grown princess sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817612358 or 817612358. Listed at 15 retailers as of October 29, 2026, with prices from HK$9,242 to HK$49,742, a HK$40,500 spread on the same certified stone. Brilliant Earth lists it at HK$49,742. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817612358
Dimensions9.26 × 9.22 × 6.40 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.26 mm9.22 mm4.51 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817612358
Side View
Table 70.0%Crown 39.9°Girdle: MediumPavilion 38.6°Culet: NoneDepth 69.4%

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$49,742 HKD|Low: HK$6,449 HKD|High: HK$55,391 HKD|Avg: HK$19,515 HKD|-10.2%
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
October 30, 2026
Retailer 4HK$6,449 HKD
Retailer 3HK$9,242 HKD
Retailer 5HK$9,862 HKD
Retailer 8HK$10,017 HKD
Retailer 7HK$10,340 HKD
Retailer 10HK$13,728 HKD
Retailer 12HK$14,428 HKD
Retailer 14HK$15,927 HKD
Retailer 2HK$18,641 HKD
Retailer 6HK$22,239 HKD
Retailer 9HK$25,468 HKD
Retailer 13HK$26,309 HKD
Retailer 11HK$39,032 HKD
Brilliant EarthHK$49,742 HKD

38 data points across 14 retailers

15 retailersHK$9,242 HKD to HK$49,742 HKD

Retailer 1
-
HK$6,449 HKD
$822 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
HK$9,242 HKD
$1,178 USD
View
A
Retailer 3
-
HK$9,862 HKD
$1,257 USD
View
A
Retailer 4
-
HK$10,017 HKD
€1,216 EUR
View
A
Retailer 5
-
HK$10,340 HKD
£1,038 GBP
View
A
Retailer 6
-
HK$13,728 HKD
ZAR 28,268 ZAR
View
A
Retailer 7
-
HK$14,428 HKD
$1,839 USD
View
A
Retailer 8
-
HK$15,927 HKD
$2,030 USD
View
B+
Retailer 9
-
HK$18,641 HKD
$2,376 USD
View
B+
Retailer 10
-
HK$21,999 HKD
$2,804 USD
View
B+
Retailer 11
-
HK$22,239 HKD
$2,835 USD
View
B+
Retailer 12
-
HK$25,468 HKD
£2,556 GBP
View
Retailer 13
-
HK$26,309 HKD
A$5,159 AUD
View
Price last confirmed 22 days ago
Retailer 14
-
HK$39,032 HKD
$4,975 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20541347A · Oct 29
HK$49,742 HKD
$6,340 USD
View
14 more retailers have this diamond
Prices start from HK$9,242 HKDSave up to HK$40,500 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
4.51ct Princess
HK$9,242 HKD