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Radiant|Lab Grown|IGI

6.29ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG840655191

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG840655191

Diamond specifications and retailer prices

From HK$8,724 HKD
$1,112 USD
As of October 29, 2026
Save HK$4,548 HKD (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$113,606 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 6.29ct lab-grown radiant diamond

This 6.29ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840655191 or 840655191. Listed at 4 retailers as of October 29, 2026, with a 52% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.29
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655191
Dimensions12.45 × 9.24 × 6.30 mm
L/W Ratio1.35
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.45 mm9.24 mm6.29 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655191
Side View
Table 66.0%Crown 44.6°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 68.2%

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 29
Current: HK$113,606 HKD|Low: HK$8,724 HKD|High: HK$113,684 HKD|Avg: HK$49,162 HKD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3HK$8,724 HKD
Retailer 2HK$13,273 HKD
Retailer 4HK$46,486 HKD
Brilliant EarthHK$113,606 HKD

25 data points across 4 retailers

4 retailersHK$8,724 HKD to HK$13,273 HKD

A
Cheapest Retailer
-
HK$8,724 HKD
$1,112 USD
Final sale: no returns
A
Retailer 2
-
HK$13,273 HKD
£1,332 GBP
View
Retailer 3
-
HK$46,486 HKD
$5,925 USD
View
Price last confirmed 23 days ago
Most Expensive
Brilliant Earth
21620055A · Oct 28
HK$113,606 HKD
$14,480 USD
View
Price under review
3 more retailers have this diamond
Prices start from HK$8,724 HKDSave up to HK$4,548 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
6.29ct Radiant
HK$8,724 HKD