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Oval|Lab Grown|IGI

4.05ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG812620712

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812620712

Diamond specifications and retailer prices

From HK$28,474 HKD
£2,858 GBP
As of October 30, 2026
Save HK$43,932 HKD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$72,406 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.05ct lab-grown oval diamond

This 4.05ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812620712 or 812620712. Listed at 12 retailers as of October 30, 2026, with prices from HK$28,474 to HK$72,406, a HK$43,932 spread on the same certified stone. Taylor and Hart lists it at HK$72,406. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620712
Dimensions13.01 × 9.02 × 5.59 mm
L/W Ratio1.44
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
13.01 mm9.02 mm4.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620712
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.0%

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$29,304 HKD|Low: HK$22,007 HKD|High: HK$80,654 HKD|Avg: HK$49,927 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
Taylor and Hart
October 31, 2026
Retailer 4HK$22,007 HKD
Retailer 6HK$28,474 HKD
Retailer 1HK$29,304 HKD
Retailer 12HK$31,163 HKD
Retailer 3HK$34,764 HKD
Retailer 8HK$43,175 HKD
Retailer 7HK$44,119 HKD
Retailer 2HK$48,526 HKD
Retailer 9HK$52,582 HKD
Retailer 10HK$54,158 HKD
Retailer 11HK$56,307 HKD
Retailer 5HK$67,081 HKD
Taylor and HartHK$72,406 HKD

38 data points across 13 retailers

12 retailersHK$28,474 HKD to HK$72,406 HKD

Retailer 1
-
HK$22,007 HKD
$2,805 USD
Price last confirmed 20 days ago
A
Retailer 2
-
HK$28,474 HKD
£2,858 GBP
View
Retailer 3
-
HK$29,304 HKD
$3,735 USD
View
A
Retailer 4
-
HK$31,163 HKD
$3,972 USD
View
A
Retailer 5
-
HK$43,175 HKD
$5,503 USD
View
A
Retailer 6
-
HK$44,119 HKD
ZAR 90,846 ZAR
View
Retailer 7
-
HK$48,526 HKD
$6,185 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
HK$52,582 HKD
$6,702 USD
View
B+
Retailer 9
-
HK$54,158 HKD
$6,903 USD
View
B+
Retailer 10
-
HK$56,307 HKD
£5,651 GBP
View
B+
Retailer 11
-
HK$67,081 HKD
$8,550 USD
View
Most Expensive
B
Taylor and Hart
156HLYX · Oct 30
HK$72,406 HKD
$9,229 USD
View
11 more retailers have this diamond
Prices start from HK$28,474 HKDSave up to HK$43,932 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 Oval
HK$28,474 HKD