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Oval|Lab Grown|IGI

6.51ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG652426330

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG652426330

Diamond specifications and retailer prices

From HK$6,849 HKD
$873 USD
As of October 29, 2026
Save HK$42,579 HKD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$49,428 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.51ct lab-grown oval diamond

This 6.51ct lab-grown oval 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 LG652426330 or 652426330. Listed at 23 retailers as of October 29, 2026, with prices from HK$6,849 to HK$49,428, a HK$42,579 spread on the same certified stone. Brilliant Earth lists it at HK$49,428. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652426330
Dimensions15.27 × 10.31 × 6.47 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.27 mm10.31 mm6.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652426330
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.8%

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$49,428 HKD|Low: HK$6,575 HKD|High: HK$53,665 HKD|Avg: HK$16,722 HKD|-7.6%
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
November 1, 2026
Retailer 3HK$6,849 HKD
Retailer 9HK$7,453 HKD
Retailer 5HK$7,665 HKD
Retailer 7HK$7,948 HKD
Retailer 2HK$8,509 HKD
Retailer 16HK$9,336 HKD
Retailer 17HK$11,376 HKD
Retailer 10HK$11,902 HKD
Retailer 18HK$12,069 HKD
Retailer 11HK$12,221 HKD
Retailer 12HK$14,723 HKD
Retailer 15HK$15,374 HKD
Retailer 13HK$15,684 HKD
Retailer 8HK$22,337 HKD
Retailer 4HK$24,855 HKD
Retailer 6HK$24,995 HKD
Retailer 14HK$29,942 HKD
Brilliant EarthHK$49,428 HKD

39 data points across 18 retailers

23 retailersHK$6,849 HKD to HK$49,428 HKD

A
Cheapest Retailer
-
HK$6,849 HKD
$873 USD
A
Retailer 2
-
HK$7,453 HKD
$950 USD
View
A
Retailer 3
-
HK$7,665 HKD
$977 USD
View
Final sale: no returns
Retailer 4
-
HK$7,948 HKD
$1,013 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
HK$7,948 HKD
$1,013 USD
View
A
Retailer 6
-
HK$8,509 HKD
£854 GBP
View
A
Retailer 7
-
HK$9,336 HKD
$1,190 USD
View
B+
Retailer 8
-
HK$11,376 HKD
$1,450 USD
View
A
Retailer 9
-
HK$11,902 HKD
$1,517 USD
View
A
Retailer 10
-
HK$12,069 HKD
€1,465 EUR
View
A
Retailer 11
-
HK$12,221 HKD
£1,227 GBP
View
A
Retailer 12
-
HK$14,723 HKD
A$2,887 AUD
View
A
Retailer 13
-
HK$15,374 HKD
ZAR 31,656 ZAR
View
A
Retailer 14
-
HK$15,684 HKD
$1,999 USD
View
B+
Retailer 15
-
HK$19,327 HKD
$2,463 USD
View
B+
Retailer 16
-
HK$20,234 HKD
$2,579 USD
View
B+
Retailer 17
-
HK$22,001 HKD
£2,208 GBP
View
B+
Retailer 18
-
HK$22,337 HKD
$2,847 USD
View
B+
Retailer 19
-
HK$24,855 HKD
$3,168 USD
View
B+
Retailer 20
-
HK$24,995 HKD
$3,186 USD
View
B
Retailer 21
-
HK$27,572 HKD
$3,514 USD
View
B
Retailer 22
-
HK$29,942 HKD
£3,005 GBP
View
Most Expensive
B
Brilliant Earth
17796174A · Oct 31
HK$49,428 HKD
$6,300 USD
View
22 more retailers have this diamond
Prices start from HK$6,849 HKDSave up to HK$42,579 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 Oval
HK$6,849 HKD