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Round|Lab Grown|IGI

4.03ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818658820

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818658820

Diamond specifications and retailer prices

From HK$22,588 HKD
$2,879 USD
As of October 29, 2026
Save HK$68,701 HKD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$91,289 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.03ct lab-grown round diamond

This 4.03ct 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 LG818658820 or 818658820. Listed at 21 retailers as of October 29, 2026, with prices from HK$22,588 to HK$91,289, a HK$68,701 spread on the same certified stone. Taylor and Hart lists it at HK$91,289. 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

4.03
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818658820
Dimensions10.23 × 10.28 × 6.32 mm
L/W Ratio1.00
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
10.23 mm10.28 mm4.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818658820
Side View
Table 55.0%Crown 33.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.7%

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$35,261 HKD|Low: HK$22,588 HKD|High: HK$97,285 HKD|Avg: HK$43,882 HKD|-4.6%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Taylor and Hart
October 31, 2026
Retailer 8HK$22,588 HKD
Retailer 14HK$24,573 HKD
Retailer 5HK$25,295 HKD
Retailer 16HK$25,799 HKD
Retailer 12HK$26,205 HKD
Retailer 19HK$26,205 HKD
Retailer 9HK$27,028 HKD
Retailer 13HK$27,923 HKD
Retailer 3HK$33,776 HKD
Retailer 15HK$33,917 HKD
Retailer 1HK$35,261 HKD
Retailer 2HK$36,020 HKD
Retailer 7HK$39,385 HKD
Retailer 18HK$41,725 HKD
Retailer 17HK$55,776 HKD
Retailer 11HK$56,371 HKD
Retailer 4HK$62,703 HKD
Retailer 6HK$68,645 HKD
Retailer 10HK$70,864 HKD
Retailer 20HK$72,883 HKD
Taylor and HartHK$91,289 HKD

24 data points across 21 retailers

21 retailersHK$22,588 HKD to HK$91,289 HKD

A
Cheapest Retailer
-
HK$22,588 HKD
$2,879 USD
A
Retailer 2
-
HK$24,573 HKD
$3,132 USD
View
A
Retailer 3
-
HK$25,295 HKD
$3,224 USD
View
Final sale: no returns
A
Retailer 4
-
HK$25,799 HKD
£2,589 GBP
View
A
Retailer 5
-
HK$26,205 HKD
$3,340 USD
View
A
Retailer 6
-
HK$26,205 HKD
$3,340 USD
View
A
Retailer 7
-
HK$27,028 HKD
$3,445 USD
View
Retailer 8
-
HK$27,923 HKD
$3,559 USD
View
Price last confirmed 20 days ago
A
Retailer 9
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HK$33,776 HKD
$4,305 USD
View
A
Retailer 10
-
HK$33,917 HKD
$4,323 USD
View
A
Retailer 11
-
HK$35,261 HKD
£3,539 GBP
View
A
Retailer 12
-
HK$36,020 HKD
$4,591 USD
View
A
Retailer 13
-
HK$39,385 HKD
$5,020 USD
View
A
Retailer 14
-
HK$41,725 HKD
€5,065 EUR
View
B+
Retailer 15
-
HK$55,776 HKD
ZAR 114,849 ZAR
View
Retailer 16
-
HK$56,371 HKD
$7,185 USD
View
Price last confirmed 13 days ago
B+
Retailer 17
-
HK$62,703 HKD
$7,992 USD
View
B+
Retailer 18
-
HK$68,645 HKD
$8,749 USD
View
B+
Retailer 19
-
HK$70,864 HKD
£7,112 GBP
View
B+
Retailer 20
-
HK$72,883 HKD
$9,290 USD
View
Most Expensive
B
Taylor and Hart
YB4GNG4 · Oct 30
HK$91,289 HKD
$11,636 USD
View
20 more retailers have this diamond
Prices start from HK$22,588 HKDSave up to HK$68,701 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
4.03ct Round
HK$22,588 HKD