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Round|Lab Grown|IGI

5.51ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG610311755

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610311755

Diamond specifications and retailer prices

From HK$5,900 HKD
$752 USD
As of October 29, 2026
Save HK$45,882 HKD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$51,782 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG610311755 or 610311755. Listed at 17 retailers as of October 29, 2026, with prices from HK$5,900 to HK$51,782, a HK$45,882 spread on the same certified stone. Brilliant Earth lists it at HK$51,782. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610311755
Dimensions11.37 × 11.30 × 6.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.37 mm11.30 mm5.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610311755
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

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$51,782 HKD|Low: HK$5,633 HKD|High: HK$51,939 HKD|Avg: HK$15,975 HKD|-0.3%
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
October 30, 2026
Retailer 5HK$5,900 HKD
Retailer 14HK$6,418 HKD
Retailer 3HK$6,841 HKD
Retailer 17HK$6,841 HKD
Retailer 18HK$8,999 HKD
Retailer 6HK$10,545 HKD
Retailer 2HK$10,949 HKD
Retailer 12HK$11,023 HKD
Retailer 8HK$11,070 HKD
Retailer 11HK$11,212 HKD
Retailer 7HK$15,511 HKD
Retailer 15HK$16,264 HKD
Retailer 4HK$19,230 HKD
Retailer 9HK$23,121 HKD
Retailer 10HK$23,597 HKD
Retailer 16HK$27,003 HKD
Retailer 13HK$28,676 HKD
Brilliant EarthHK$51,782 HKD

41 data points across 18 retailers

17 retailersHK$5,900 HKD to HK$51,782 HKD

A
Cheapest Retailer
-
HK$5,900 HKD
$752 USD
A
Retailer 2
-
HK$6,418 HKD
$818 USD
View
Retailer 3
-
HK$6,841 HKD
$872 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
HK$6,841 HKD
$872 USD
View
Retailer 5
-
HK$8,999 HKD
£903 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$10,545 HKD
$1,344 USD
View
A
Retailer 7
-
HK$10,949 HKD
£1,099 GBP
View
B+
Retailer 8
-
HK$11,023 HKD
$1,405 USD
View
B+
Retailer 9
-
HK$11,070 HKD
$1,411 USD
View
A
Retailer 10
-
HK$11,212 HKD
€1,361 EUR
View
B+
Retailer 11
-
HK$15,511 HKD
$1,977 USD
View
B+
Retailer 12
-
HK$16,264 HKD
$2,073 USD
View
B+
Retailer 13
-
HK$19,230 HKD
$2,451 USD
View
B
Retailer 14
-
HK$23,121 HKD
$2,947 USD
View
Retailer 15
-
HK$23,597 HKD
$3,008 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
HK$27,003 HKD
£2,710 GBP
View
Most Expensive
B
Brilliant Earth
8717505A · Oct 30
HK$51,782 HKD
$6,600 USD
View
16 more retailers have this diamond
Prices start from HK$5,900 HKDSave up to HK$45,882 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$5,900 HKD