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Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG841645925

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG841645925

Diamond specifications and retailer prices

From HK$21,108 HKD
£2,118 GBP
As of October 30, 2026
Save HK$132,917 HKD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$154,025 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841645925 or 841645925. Listed at 23 retailers as of October 29, 2026, with prices from HK$21,108 to HK$154,025, a HK$132,917 spread on the same certified stone. Brilliant Earth lists it at HK$154,025. 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

4.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841645925
Dimensions12.64 × 8.99 × 5.55 mm
L/W Ratio1.41
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
12.64 mm8.99 mm4.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841645925
Side View
Table 60.0%Crown 37.1°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$154,025 HKD|Low: HK$21,108 HKD|High: HK$154,025 HKD|Avg: HK$50,096 HKD
Brilliant Earth
Retailer 2
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Retailer 24
October 30, 2026
Retailer 13HK$21,108 HKD
Retailer 20HK$21,782 HKD
Retailer 6HK$23,869 HKD
Retailer 9HK$25,446 HKD
Retailer 14HK$25,446 HKD
Retailer 11HK$26,340 HKD
Retailer 8HK$26,717 HKD
Retailer 12HK$32,767 HKD
Retailer 18HK$34,132 HKD
Retailer 15HK$34,979 HKD
Retailer 5HK$36,564 HKD
Retailer 4HK$39,175 HKD
Retailer 7HK$39,593 HKD
Retailer 10HK$40,589 HKD
Retailer 21HK$43,527 HKD
Retailer 3HK$50,609 HKD
Retailer 22HK$54,165 HKD
Retailer 24HK$54,602 HKD
Retailer 16HK$64,372 HKD
Retailer 23HK$64,842 HKD
Retailer 2HK$70,427 HKD
Retailer 19HK$88,060 HKD
Retailer 17HK$119,946 HKD
Brilliant EarthHK$154,025 HKD

26 data points across 24 retailers

23 retailersHK$21,108 HKD to HK$154,025 HKD

A
Cheapest Retailer
-
HK$21,108 HKD
£2,118 GBP
A
Retailer 2
-
HK$21,782 HKD
$2,776 USD
View
A
Retailer 3
-
HK$23,869 HKD
$3,042 USD
View
Retailer 4
-
HK$25,446 HKD
$3,243 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
HK$25,446 HKD
$3,243 USD
View
A
Retailer 6
-
HK$26,340 HKD
$3,357 USD
View
A
Retailer 7
-
HK$26,717 HKD
$3,405 USD
View
A
Retailer 8
-
HK$32,767 HKD
$4,176 USD
View
Final sale: no returns
A
Retailer 9
-
HK$34,132 HKD
£3,425 GBP
View
A
Retailer 10
-
HK$34,979 HKD
$4,458 USD
View
A
Retailer 11
-
HK$36,564 HKD
$4,660 USD
View
A
Retailer 12
-
HK$39,593 HKD
$5,046 USD
View
A
Retailer 13
-
HK$40,589 HKD
$5,173 USD
View
A
Retailer 14
-
HK$43,527 HKD
£4,368 GBP
View
B+
Retailer 15
-
HK$50,609 HKD
$6,450 USD
View
B+
Retailer 16
-
HK$54,165 HKD
ZAR 111,522 ZAR
View
Retailer 17
-
HK$54,602 HKD
A$10,706 AUD
View
Price last confirmed 7 days ago
B+
Retailer 18
-
HK$64,372 HKD
$8,204 USD
View
B+
Retailer 19
-
HK$64,842 HKD
£6,507 GBP
View
B+
Retailer 20
-
HK$70,427 HKD
$8,976 USD
View
B+
Retailer 21
-
HK$88,060 HKD
$11,223 USD
View
Retailer 22
-
HK$119,946 HKD
A$23,518 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
21696522A · Oct 29
HK$154,025 HKD
$19,630 USD
View
22 more retailers have this diamond
Prices start from HK$21,108 HKDSave up to HK$132,917 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
4.00ct Oval
HK$21,108 HKD