CaratHunter
Plans
Round|Lab Grown|IGI

5.51ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG750558343

Shape and cutting style on the report: Round brilliant

Certificate IGI LG750558343

Diamond specifications and retailer prices

From HK$5,625 HKD
$717 USD
As of October 26, 2026
Save HK$36,741 HKD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$42,367 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.51ct lab-grown round diamond

This 5.51ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG750558343 or 750558343. Listed at 21 retailers as of October 26, 2026, with prices from HK$5,625 to HK$42,367, a HK$36,741 spread on the same certified stone. Brilliant Earth lists it at HK$42,367. 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

5.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750558343
Dimensions11.44 × 11.39 × 6.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm11.39 mm5.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750558343
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.1°Culet: NoneDepth 60.2%

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 26
Current: HK$42,367 HKD|Low: HK$5,539 HKD|High: HK$42,445 HKD|Avg: HK$15,966 HKD|-0.2%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 5HK$5,625 HKD
Retailer 4HK$6,551 HKD
Retailer 11HK$6,685 HKD
Retailer 12HK$6,685 HKD
Retailer 17HK$8,562 HKD
Retailer 2HK$9,140 HKD
Retailer 7HK$9,140 HKD
Retailer 19HK$9,658 HKD
Retailer 13HK$10,338 HKD
Retailer 18HK$11,747 HKD
Retailer 15HK$13,218 HKD
Retailer 9HK$13,439 HKD
Retailer 14HK$14,303 HKD
Retailer 3HK$16,594 HKD
Retailer 20HK$18,335 HKD
Retailer 16HK$22,243 HKD
Retailer 6HK$22,484 HKD
Retailer 8HK$26,295 HKD
Retailer 10HK$33,619 HKD
Brilliant EarthHK$42,367 HKD

35 data points across 20 retailers

21 retailersHK$5,625 HKD to HK$42,367 HKD

A
Cheapest Retailer
-
HK$5,625 HKD
$717 USD
Retailer 2
-
HK$6,277 HKD
$800 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
HK$6,551 HKD
$835 USD
View
Final sale: no returns
Retailer 4
-
HK$6,685 HKD
$852 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$6,685 HKD
$852 USD
View
A
Retailer 6
-
HK$8,562 HKD
£859 GBP
View
B+
Retailer 7
-
HK$9,140 HKD
$1,165 USD
View
A
Retailer 8
-
HK$9,140 HKD
$1,165 USD
View
A
Retailer 9
-
HK$9,658 HKD
$1,231 USD
View
A
Retailer 10
-
HK$10,338 HKD
£1,038 GBP
View
A
Retailer 11
-
HK$11,747 HKD
€1,426 EUR
View
B+
Retailer 12
-
HK$13,218 HKD
A$2,592 AUD
View
Retailer 13
-
HK$13,439 HKD
ZAR 27,673 ZAR
View
Price last confirmed 12 days ago
B+
Retailer 14
-
HK$14,303 HKD
$1,823 USD
View
B+
Retailer 15
-
HK$16,594 HKD
$2,115 USD
View
B+
Retailer 16
-
HK$18,335 HKD
$2,337 USD
View
B
Retailer 17
-
HK$22,243 HKD
$2,835 USD
View
B
Retailer 18
-
HK$22,484 HKD
$2,866 USD
View
B
Retailer 19
-
HK$26,295 HKD
£2,639 GBP
View
Retailer 20
-
HK$33,619 HKD
$4,285 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
17473704A · Oct 30
HK$42,367 HKD
$5,400 USD
View
20 more retailers have this diamond
Prices start from HK$5,625 HKDSave up to HK$36,741 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
5.51ct Round
HK$5,625 HKD