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Oval|Lab Grown|IGI

4.05ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG797669797

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797669797

Diamond specifications and retailer prices

From HK$17,315 HKD
£1,738 GBP
As of October 30, 2026
Save HK$55,091 HKD (76%) vs most expensive(unlock to see where)
25 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 LG797669797 or 797669797. Listed at 25 retailers as of October 30, 2026, with prices from HK$17,315 to HK$72,406, a HK$55,091 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797669797
Dimensions12.92 × 8.87 × 5.58 mm
L/W Ratio1.46
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
12.92 mm8.87 mm4.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797669797
Side View
Table 59.0%Crown 35.6°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.9%

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$17,151 HKD|High: HK$77,280 HKD|Avg: HK$35,431 HKD|-7.8%
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
October 31, 2026
Retailer 11HK$17,315 HKD
Retailer 14HK$17,865 HKD
Retailer 2HK$19,442 HKD
Retailer 9HK$20,728 HKD
Retailer 16HK$20,728 HKD
Retailer 12HK$28,474 HKD
Retailer 17HK$28,488 HKD
Retailer 1HK$29,304 HKD
Retailer 6HK$31,163 HKD
Retailer 5HK$32,713 HKD
Retailer 7HK$43,175 HKD
Retailer 13HK$44,119 HKD
Retailer 3HK$44,475 HKD
Retailer 4HK$48,447 HKD
Retailer 8HK$52,582 HKD
Retailer 15HK$56,307 HKD
Retailer 10HK$67,081 HKD

33 data points across 17 retailers

25 retailersHK$17,315 HKD to HK$72,406 HKD

A
Cheapest Retailer
-
HK$17,315 HKD
£1,738 GBP
A
Retailer 2
-
HK$17,865 HKD
$2,277 USD
View
A
Retailer 3
-
HK$19,442 HKD
$2,478 USD
View
A
Retailer 4
-
HK$19,999 HKD
$2,549 USD
View
Final sale: no returns
Retailer 5
-
HK$20,728 HKD
$2,642 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
HK$20,728 HKD
$2,642 USD
View
A
Retailer 7
-
HK$22,007 HKD
$2,805 USD
View
A
Retailer 8
-
HK$22,431 HKD
$2,859 USD
View
A
Retailer 9
-
HK$28,474 HKD
£2,858 GBP
View
A
Retailer 10
-
HK$28,488 HKD
$3,631 USD
View
A
Retailer 11
-
HK$29,304 HKD
$3,735 USD
View
A
Retailer 12
-
HK$31,163 HKD
$3,972 USD
View
A
Retailer 13
-
HK$31,767 HKD
$4,049 USD
View
A
Retailer 14
-
HK$39,338 HKD
£3,948 GBP
View
B+
Retailer 15
-
HK$43,175 HKD
$5,503 USD
View
A
Retailer 16
-
HK$44,119 HKD
ZAR 90,846 ZAR
View
Retailer 17
-
HK$44,475 HKD
A$8,721 AUD
View
Price last confirmed 9 days ago
Retailer 18
-
HK$48,447 HKD
$6,175 USD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
HK$52,582 HKD
$6,702 USD
View
B+
Retailer 20
-
HK$54,158 HKD
$6,903 USD
View
B+
Retailer 21
-
HK$55,344 HKD
$7,054 USD
View
B+
Retailer 22
-
HK$56,307 HKD
£5,651 GBP
View
B+
Retailer 23
-
HK$58,520 HKD
$7,459 USD
View
B+
Retailer 24
-
HK$67,081 HKD
$8,550 USD
View
Most Expensive
B
Taylor and Hart
90ZK4C7 · Oct 30
HK$72,406 HKD
$9,229 USD
View
24 more retailers have this diamond
Prices start from HK$17,315 HKDSave up to HK$55,091 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$17,315 HKD