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Round|Lab Grown|IGI

6.51ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG581318483

Shape and cutting style on the report: Round brilliant

Certificate IGI LG581318483

Diamond specifications and retailer prices

From HK$7,665 HKD
$977 USD
As of October 29, 2026
Save HK$27,562 HKD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$35,227 HKD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 6.51ct lab-grown round diamond

This 6.51ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG581318483 or 581318483. Listed at 16 retailers as of October 29, 2026, with prices from HK$7,665 to HK$35,227, a HK$27,562 spread on the same certified stone. Blue Nile lists it at HK$35,227. 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

6.51
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581318483
Dimensions12.04 × 11.98 × 7.39 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
12.04 mm11.98 mm6.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581318483
Side View
Table 56.0%Crown 35.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.5%

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$35,227 HKD|Low: HK$5,108 HKD|High: HK$41,358 HKD|Avg: HK$17,717 HKD|+0.1%
Blue Nile
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 31, 2026
Retailer 9HK$7,155 HKD
Retailer 3HK$7,665 HKD
Retailer 12HK$8,340 HKD
Retailer 15HK$8,897 HKD
Retailer 17HK$8,897 HKD
Retailer 2HK$10,278 HKD
Retailer 4HK$12,663 HKD
Retailer 11HK$12,785 HKD
Retailer 16HK$13,296 HKD
Retailer 6HK$14,224 HKD
Retailer 18HK$16,672 HKD
Retailer 5HK$18,869 HKD
Retailer 13HK$19,167 HKD
Retailer 14HK$30,321 HKD
Retailer 7HK$30,979 HKD
Retailer 8HK$35,070 HKD
Blue NileHK$35,227 HKD
Retailer 10HK$41,358 HKD

33 data points across 18 retailers

16 retailersHK$7,665 HKD to HK$35,227 HKD

A
Cheapest Retailer
-
HK$7,665 HKD
$977 USD
A
Retailer 2
-
HK$8,340 HKD
$1,063 USD
View
Retailer 3
-
HK$8,897 HKD
$1,134 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
HK$8,897 HKD
$1,134 USD
View
B+
Retailer 5
-
HK$10,278 HKD
$1,310 USD
View
B+
Retailer 6
-
HK$12,663 HKD
$1,614 USD
View
B+
Retailer 7
-
HK$12,785 HKD
€1,552 EUR
View
Retailer 8
-
HK$13,296 HKD
£1,334 GBP
View
Price last confirmed 14 days ago
B+
Retailer 9
-
HK$14,224 HKD
$1,813 USD
View
B+
Retailer 10
-
HK$16,672 HKD
$2,125 USD
View
B+
Retailer 11
-
HK$18,869 HKD
$2,405 USD
View
B+
Retailer 12
-
HK$19,167 HKD
$2,443 USD
View
B
Retailer 13
-
HK$30,321 HKD
£3,043 GBP
View
Retailer 14
-
HK$30,979 HKD
$3,949 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
HK$35,070 HKD
$4,470 USD
View
Most Expensive
B
Blue Nile
25247267 · Oct 29
HK$35,227 HKD
$4,490 USD
View
15 more retailers have this diamond
Prices start from HK$7,665 HKDSave up to HK$27,562 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
6.51ct Round
HK$7,665 HKD