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Round|Lab Grown|IGI

4.51ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG500164106

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500164106

Diamond specifications and retailer prices

From HK$7,979 HKD
$1,017 USD
As of October 29, 2026
Save HK$29,759 HKD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$70,847 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown round diamond

This 4.51ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG500164106 or 500164106. Listed at 21 retailers as of October 29, 2026, with a 373% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500164106
Dimensions10.58 × 10.49 × 6.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Blue 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
10.58 mm10.49 mm4.51 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500164106
Side View
Table 56.5%Crown 35.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.3%

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 29
Current: HK$70,847 HKD|Low: HK$7,979 HKD|High: HK$70,847 HKD|Avg: HK$21,485 HKD
Do Amore Diamonds
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
Retailer 19
October 30, 2026
Retailer 17HK$7,979 HKD
Retailer 16HK$8,685 HKD
Retailer 4HK$9,258 HKD
Retailer 10HK$10,223 HKD
Retailer 11HK$11,674 HKD
Retailer 5HK$11,690 HKD
Retailer 9HK$11,784 HKD
Retailer 3HK$14,054 HKD
Retailer 6HK$15,440 HKD
Retailer 13HK$16,451 HKD
Retailer 18HK$19,151 HKD
Retailer 7HK$19,347 HKD
Retailer 12HK$21,749 HKD
Retailer 15HK$21,873 HKD
Retailer 19HK$23,969 HKD
Retailer 2HK$29,657 HKD
Retailer 14HK$32,871 HKD
Retailer 8HK$37,738 HKD
Do Amore DiamondsHK$70,847 HKD

36 data points across 19 retailers

21 retailersHK$7,979 HKD to HK$37,738 HKD

A
Cheapest Retailer
-
HK$7,979 HKD
$1,017 USD
A
Retailer 2
-
HK$8,685 HKD
$1,107 USD
View
A
Retailer 3
-
HK$9,258 HKD
$1,180 USD
View
A
Retailer 4
-
HK$10,223 HKD
$1,303 USD
View
Final sale: no returns
A
Retailer 5
-
HK$11,674 HKD
$1,488 USD
View
A
Retailer 6
-
HK$11,690 HKD
$1,490 USD
View
A
Retailer 7
-
HK$11,784 HKD
$1,502 USD
View
B+
Retailer 8
-
HK$13,055 HKD
View
Retailer 9
-
HK$14,054 HKD
£1,410 GBP
View
Price last confirmed 13 days ago
B+
Retailer 10
-
HK$15,440 HKD
$1,968 USD
View
B+
Retailer 11
-
HK$16,451 HKD
€1,997 EUR
View
B+
Retailer 12
-
HK$19,151 HKD
$2,441 USD
View
B+
Retailer 13
-
HK$19,347 HKD
$2,466 USD
View
B+
Retailer 14
-
HK$21,749 HKD
ZAR 44,783 ZAR
View
Retailer 15
-
HK$21,873 HKD
A$4,289 AUD
View
Price last confirmed 9 days ago
Retailer 16
-
HK$23,969 HKD
$3,055 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
HK$29,657 HKD
$3,780 USD
View
B
Retailer 18
-
HK$32,871 HKD
£3,299 GBP
View
B
Retailer 19
-
HK$36,313 HKD
$4,628 USD
View
B
Retailer 20
-
HK$37,738 HKD
SGD 6,500 SGD
View
Most Expensive
Do Amore Diamonds
27-0C2F21CD1 · Oct 29
HK$70,847 HKD
$9,030 USD
View
Price under review
20 more retailers have this diamond
Prices start from HK$7,979 HKDSave up to HK$29,759 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 Round
HK$7,979 HKD