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Round|Lab Grown|IGI

6.86ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG828687960

Shape and cutting style on the report: Round brilliant

Certificate IGI LG828687960

Diamond specifications and retailer prices

From HK$6,677 HKD
$851 USD
As of October 29, 2026
Save HK$28,629 HKD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$35,306 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 6.86ct lab-grown round diamond

This 6.86ct lab-grown round sits in the over five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828687960 or 828687960. Listed at 3 retailers as of October 29, 2026, with prices from HK$6,677 to HK$35,306, a HK$28,629 spread on the same certified stone. Brilliant Earth lists it at HK$35,306. 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

6.86
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828687960
Dimensions12.34 × 12.41 × 7.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.34 mm12.41 mm6.86 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828687960
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: HK$35,306 HKD|Low: HK$6,677 HKD|High: HK$69,199 HKD|Avg: HK$29,265 HKD|-49.0%
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3HK$6,677 HKD
Retailer 2HK$10,793 HKD
Brilliant EarthHK$35,306 HKD

35 data points across 3 retailers

3 retailersHK$6,677 HKD to HK$35,306 HKD

A
Cheapest Retailer
-
HK$6,677 HKD
$851 USD
Final sale: no returns
A
Retailer 2
-
HK$10,793 HKD
£1,083 GBP
View
Most Expensive
B
Brilliant Earth
21224610A · Oct 30
HK$35,306 HKD
$4,500 USD
View
2 more retailers have this diamond
Prices start from HK$6,677 HKDSave up to HK$28,629 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
6.86ct Round
HK$6,677 HKD