Round|Lab Grown|IGI

6.45ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG809602806

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809602806

Diamond specifications and retailer prices

From HK$86,059 HKD
$10,969 USD
As of November 1, 2026
Save HK$208,665 HKD (71%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$294,725 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.45ct lab-grown round diamond

This 6.45ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809602806 or 809602806. Listed at 26 retailers as of October 31, 2026, with prices from HK$86,059 to HK$294,725, a HK$208,665 spread on the same certified stone. Taylor and Hart lists it at HK$294,725. 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

6.45
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809602806
Dimensions12.10 × 12.01 × 7.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.10 mm12.01 mm6.45 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809602806
Side View
Table 59.0%Crown 34.6°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 59.6%

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: Nov 1
Current: HK$272,593 HKD|Low: HK$86,059 HKD|High: HK$294,725 HKD|Avg: HK$165,554 HKD
Retailer 1
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
Taylor and Hart
November 1, 2026
Retailer 6HK$86,059 HKD
Retailer 2HK$92,422 HKD
Retailer 7HK$94,454 HKD
Retailer 4HK$94,831 HKD
Retailer 15HK$96,581 HKD
Retailer 10HK$97,428 HKD
Retailer 9HK$115,911 HKD
Retailer 5HK$139,245 HKD
Retailer 13HK$154,492 HKD
Retailer 11HK$157,699 HKD
Retailer 14HK$164,125 HKD
Retailer 3HK$169,789 HKD
Retailer 16HK$185,109 HKD
Retailer 12HK$189,305 HKD
Retailer 8HK$270,076 HKD
Retailer 1HK$272,593 HKD
Taylor and HartHK$294,725 HKD

40 data points across 17 retailers

26 retailersHK$86,059 HKD to HK$294,725 HKD

Retailer 1
-
HK$84,333 HKD
$10,749 USD
Price last confirmed 21 days ago
Retailer 2
-
HK$84,333 HKD
$10,749 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
HK$86,059 HKD
$10,969 USD
View
Retailer 4
-
HK$87,707 HKD
$11,179 USD
View
Price last confirmed 38 days ago
Retailer 5
-
HK$91,685 HKD
$11,686 USD
View
Price last confirmed 41 days ago
Retailer 6
-
HK$91,685 HKD
$11,686 USD
View
Price last confirmed 24 days ago
Retailer 7
-
HK$92,422 HKD
$11,780 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
HK$94,454 HKD
$12,039 USD
View
Final sale: no returns
A
Retailer 9
-
HK$94,831 HKD
$12,087 USD
View
Retailer 10
-
HK$96,479 HKD
$12,297 USD
View
Price last confirmed 37 days ago
A
Retailer 11
-
HK$96,581 HKD
$12,310 USD
View
A
Retailer 12
-
HK$97,428 HKD
$12,418 USD
View
Retailer 13
-
HK$97,828 HKD
$12,469 USD
View
Price last confirmed 21 days ago
Retailer 14
-
HK$97,828 HKD
$12,469 USD
View
Price last confirmed 29 days ago
A
Retailer 15
-
HK$115,911 HKD
£11,633 GBP
View
A
Retailer 16
-
HK$139,245 HKD
$17,748 USD
View
B+
Retailer 17
-
HK$154,492 HKD
£15,505 GBP
View
B+
Retailer 18
-
HK$157,699 HKD
$20,100 USD
View
B+
Retailer 19
-
HK$164,125 HKD
€19,923 EUR
View
B+
Retailer 20
-
HK$169,789 HKD
$21,641 USD
View
B+
Retailer 21
-
HK$178,937 HKD
$22,807 USD
View
Retailer 22
-
HK$185,109 HKD
A$36,298 AUD
View
Price last confirmed 9 days ago
B+
Retailer 23
-
HK$189,305 HKD
ZAR 389,798 ZAR
View
B
Retailer 24
-
HK$270,076 HKD
$34,423 USD
View
B
Retailer 25
-
HK$272,593 HKD
$34,744 USD
View
Most Expensive
B
Taylor and Hart
RZPOHI2 · Oct 31
HK$294,725 HKD
$37,565 USD
View
25 more retailers have this diamond
Prices start from HK$86,059 HKDSave up to HK$208,665 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
6.45ct Round
HK$86,059 HKD