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Round|Lab Grown|IGI

5.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG578312998

Shape and cutting style on the report: Round brilliant

Certificate IGI LG578312998

Diamond specifications and retailer prices

From HK$52,143 HKD
$6,646 USD
As of October 30, 2026
Save HK$146,365 HKD (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$198,508 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.05ct lab-grown round diamond

This 5.05ct 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 LG578312998 or 578312998. Listed at 22 retailers as of October 30, 2026, with prices from HK$52,143 to HK$198,508, a HK$146,365 spread on the same certified stone. Taylor and Hart lists it at HK$198,508. 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

5.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578312998
Dimensions11.06 × 11.09 × 6.67 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
11.06 mm11.09 mm5.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578312998
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

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 30
Current: HK$94,514 HKD|Low: HK$39,511 HKD|High: HK$170,313 HKD|Avg: HK$97,047 HKD|+2.3%
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
October 31, 2026
Retailer 3HK$52,143 HKD
Retailer 4HK$55,328 HKD
Retailer 11HK$66,469 HKD
Retailer 14HK$68,148 HKD
Retailer 10HK$68,179 HKD
Retailer 5HK$69,811 HKD
Retailer 7HK$71,580 HKD
Retailer 1HK$94,514 HKD
Retailer 13HK$107,643 HKD
Retailer 9HK$115,184 HKD
Retailer 8HK$116,435 HKD
Retailer 12HK$120,195 HKD
Retailer 2HK$168,996 HKD
Retailer 6HK$170,313 HKD

42 data points across 14 retailers

22 retailersHK$52,143 HKD to HK$198,508 HKD

Retailer 1
-
HK$49,404 HKD
$6,297 USD
Price last confirmed 21 days ago
Retailer 2
-
HK$51,381 HKD
$6,549 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
HK$52,143 HKD
$6,646 USD
View
A
Retailer 4
-
HK$55,328 HKD
$7,052 USD
View
Final sale: no returns
Retailer 5
-
HK$57,313 HKD
$7,305 USD
View
Price last confirmed 15 days ago
Retailer 6
-
HK$57,313 HKD
$7,305 USD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$66,469 HKD
$8,472 USD
View
Price last confirmed 8 days ago
Retailer 8
-
HK$68,030 HKD
$8,671 USD
View
Price last confirmed 24 days ago
A
Retailer 9
-
HK$68,148 HKD
$8,686 USD
View
A
Retailer 10
-
HK$68,179 HKD
$8,690 USD
View
A
Retailer 11
-
HK$69,811 HKD
$8,898 USD
View
A
Retailer 12
-
HK$71,580 HKD
£7,184 GBP
View
A
Retailer 13
-
HK$94,514 HKD
€11,473 EUR
View
A
Retailer 14
-
HK$107,643 HKD
$13,720 USD
View
A
Retailer 15
-
HK$115,184 HKD
£11,560 GBP
View
A
Retailer 16
-
HK$116,435 HKD
ZAR 239,752 ZAR
View
Retailer 17
-
HK$120,195 HKD
A$23,569 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
HK$138,594 HKD
$17,665 USD
View
B+
Retailer 19
-
HK$159,473 HKD
$20,326 USD
View
B+
Retailer 20
-
HK$168,996 HKD
$21,540 USD
View
B+
Retailer 21
-
HK$170,313 HKD
$21,708 USD
View
Most Expensive
B
Taylor and Hart
AVK999A · Oct 30
HK$198,508 HKD
$25,302 USD
View
21 more retailers have this diamond
Prices start from HK$52,143 HKDSave up to HK$146,365 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
5.05ct Round
HK$52,143 HKD