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Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG789621375

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG789621375

Diamond specifications and retailer prices

From HK$19,612 HKD
£1,968 GBP
As of October 30, 2026
Save HK$134,399 HKD (87%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: HK$154,011 HKD at Brilliant Earth · As of October 24, 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 LG789621375 or 789621375. Listed at 28 retailers as of October 24, 2026, with prices from HK$19,612 to HK$154,011, a HK$134,399 spread on the same certified stone. Brilliant Earth lists it at HK$154,011. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789621375
Dimensions13.42 × 8.96 × 5.38 mm
L/W Ratio1.50
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
13.42 mm8.96 mm4.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789621375
Side View
Table 59.0%Crown 31.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
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$154,011 HKD|Low: HK$19,547 HKD|High: HK$154,011 HKD|Avg: HK$49,200 HKD
Brilliant Earth
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
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
October 30, 2026
Retailer 2HK$19,612 HKD
Retailer 14HK$20,242 HKD
Retailer 5HK$20,532 HKD
Retailer 17HK$22,023 HKD
Retailer 23HK$22,321 HKD
Retailer 22HK$22,556 HKD
Retailer 15HK$23,474 HKD
Retailer 4HK$27,717 HKD
Retailer 3HK$30,308 HKD
Retailer 13HK$31,703 HKD
Retailer 12HK$32,269 HKD
Retailer 25HK$32,599 HKD
Retailer 9HK$36,577 HKD
Retailer 16HK$44,479 HKD
Retailer 11HK$45,828 HKD
Retailer 21HK$48,094 HKD
Retailer 19HK$49,973 HKD
Retailer 10HK$50,380 HKD
Retailer 7HK$56,787 HKD
Retailer 6HK$59,207 HKD
Retailer 20HK$63,192 HKD
Retailer 8HK$80,265 HKD
Retailer 18HK$81,889 HKD
Retailer 24HK$126,159 HKD
Brilliant EarthHK$154,011 HKD

27 data points across 25 retailers

28 retailersHK$19,612 HKD to HK$154,011 HKD

A
Cheapest Retailer
-
HK$19,612 HKD
£1,968 GBP
Retailer 2
-
HK$20,242 HKD
$2,580 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$20,532 HKD
$2,617 USD
View
Final sale: no returns
Retailer 4
-
HK$22,023 HKD
$2,807 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
HK$22,321 HKD
$2,845 USD
View
A
Retailer 6
-
HK$22,556 HKD
$2,875 USD
View
Retailer 7
-
HK$23,474 HKD
$2,992 USD
View
Price last confirmed 9 days ago
Retailer 8
-
HK$26,118 HKD
$3,329 USD
View
Price last confirmed 18 days ago
A
Retailer 9
-
HK$27,717 HKD
View
A
Retailer 10
-
HK$30,308 HKD
$3,863 USD
View
A
Retailer 11
-
HK$31,703 HKD
£3,182 GBP
View
Retailer 12
-
HK$32,269 HKD
$4,113 USD
View
Price last confirmed 9 days ago
A
Retailer 13
-
HK$32,599 HKD
$4,155 USD
View
Retailer 14
-
HK$36,577 HKD
$4,662 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
HK$44,479 HKD
£4,464 GBP
View
B+
Retailer 16
-
HK$48,094 HKD
$6,130 USD
View
B+
Retailer 17
-
HK$49,973 HKD
ZAR 102,899 ZAR
View
Retailer 18
-
HK$50,380 HKD
A$9,879 AUD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
HK$56,787 HKD
$7,238 USD
View
B+
Retailer 20
-
HK$59,207 HKD
$7,546 USD
View
B+
Retailer 21
-
HK$61,016 HKD
$7,777 USD
View
B+
Retailer 22
-
HK$63,192 HKD
£6,342 GBP
View
Retailer 23
-
HK$69,948 HKD
£7,020 GBP
View
Price last confirmed 21 days ago
B
Retailer 24
-
HK$80,265 HKD
SGD 13,825 SGD
View
B
Retailer 25
-
HK$81,889 HKD
$10,437 USD
View
B
Retailer 26
-
HK$86,224 HKD
$10,990 USD
View
B
Retailer 27
-
HK$126,159 HKD
$16,080 USD
View
Most Expensive
B
Brilliant Earth
18674023A · Oct 24
HK$154,011 HKD
$19,630 USD
View
27 more retailers have this diamond
Prices start from HK$19,612 HKDSave up to HK$134,399 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$19,612 HKD