Round|Lab Grown|IGI

4.05ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG780685527

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780685527

Diamond specifications and retailer prices

From HK$23,679 HKD
£2,376 GBP
As of October 30, 2026
Save HK$105,539 HKD (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$129,219 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.05ct lab-grown round diamond

This 4.05ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780685527 or 780685527. Listed at 6 retailers as of October 30, 2026, with prices from HK$23,679 to HK$129,219, a HK$105,539 spread on the same certified stone. Do Amore Diamonds lists it at HK$129,219. 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

4.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780685527
Dimensions10.38 × 10.41 × 6.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
10.38 mm10.41 mm4.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780685527
Side View
Table 58.0%Crown 33.6°Girdle: MED-STKPavilion 40.6°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: Oct 30
Current: HK$129,219 HKD|Low: HK$15,079 HKD|High: HK$159,346 HKD|Avg: HK$63,013 HKD
Do Amore Diamonds
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
October 31, 2026
Retailer 4HK$15,079 HKD
Retailer 10HK$23,679 HKD
Retailer 5HK$28,190 HKD
Retailer 13HK$32,669 HKD
Retailer 2HK$32,677 HKD
Retailer 15HK$32,779 HKD
Retailer 12HK$33,980 HKD
Retailer 7HK$51,980 HKD
Retailer 17HK$60,490 HKD
Retailer 16HK$61,563 HKD
Retailer 8HK$63,060 HKD
Retailer 11HK$64,736 HKD
Retailer 6HK$76,405 HKD
Retailer 3HK$92,834 HKD
Retailer 9HK$115,365 HKD
Do Amore DiamondsHK$129,219 HKD
Retailer 14HK$159,346 HKD

7 data points across 17 retailers

6 retailersHK$23,679 HKD to HK$129,219 HKD

A
Cheapest Retailer
-
HK$23,679 HKD
£2,376 GBP
A
Retailer 2
-
HK$32,669 HKD
$4,164 USD
View
A
Retailer 3
-
HK$32,677 HKD
$4,165 USD
View
A
Retailer 4
-
HK$33,980 HKD
$4,331 USD
View
B+
Retailer 5
-
HK$64,736 HKD
£6,497 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5D9B58FE0 · Oct 31
HK$129,219 HKD
$16,470 USD
View
5 more retailers have this diamond
Prices start from HK$23,679 HKDSave up to HK$105,539 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
4.05ct Round
HK$23,679 HKD