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Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG727578306

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG727578306

Diamond specifications and retailer prices

From HK$18,630 HKD
£1,870 GBP
As of October 30, 2026
Save HK$96,655 HKD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$119,935 HKD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 LG727578306 or 727578306. Listed at 26 retailers as of October 30, 2026, with a 519% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727578306
Dimensions12.68 × 9.00 × 5.58 mm
L/W Ratio1.41
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
12.68 mm9.00 mm4.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727578306
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A+
Exceptional
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$119,935 HKD|Low: HK$18,630 HKD|High: HK$120,159 HKD|Avg: HK$42,015 HKD|-0.2%
Novita Diamonds
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
October 30, 2026
Retailer 13HK$18,630 HKD
Retailer 19HK$19,222 HKD
Retailer 11HK$20,917 HKD
Retailer 2HK$21,529 HKD
Retailer 24HK$22,297 HKD
Retailer 23HK$23,255 HKD
Retailer 21HK$23,576 HKD
Retailer 3HK$27,316 HKD
Retailer 18HK$30,106 HKD
Retailer 7HK$30,653 HKD
Retailer 16HK$34,882 HKD
Retailer 17HK$35,698 HKD
Retailer 14HK$37,788 HKD
Retailer 5HK$39,668 HKD
Retailer 10HK$42,327 HKD
Retailer 20HK$47,470 HKD
Retailer 15HK$51,007 HKD
Retailer 12HK$59,541 HKD
Retailer 22HK$60,023 HKD
Retailer 8HK$62,649 HKD
Retailer 6HK$77,834 HKD
Retailer 9HK$78,942 HKD
Retailer 4HK$115,285 HKD
Novita DiamondsHK$119,935 HKD

26 data points across 24 retailers

26 retailersHK$18,630 HKD to HK$115,285 HKD

A+
Cheapest Retailer
-
HK$18,630 HKD
£1,870 GBP
A
Retailer 2
-
HK$19,222 HKD
$2,450 USD
View
A
Retailer 3
-
HK$20,917 HKD
$2,666 USD
View
A
Retailer 4
-
HK$21,529 HKD
$2,744 USD
View
Final sale: no returns
A
Retailer 5
-
HK$22,297 HKD
$2,842 USD
View
A
Retailer 6
-
HK$23,255 HKD
$2,964 USD
View
A
Retailer 7
-
HK$23,576 HKD
$3,005 USD
View
A
Retailer 8
-
HK$27,316 HKD
View
A
Retailer 9
-
HK$30,106 HKD
£3,022 GBP
View
A
Retailer 10
-
HK$30,653 HKD
$3,907 USD
View
A
Retailer 11
-
HK$34,882 HKD
$4,446 USD
View
A
Retailer 12
-
HK$35,698 HKD
$4,550 USD
View
A
Retailer 13
-
HK$37,788 HKD
€4,587 EUR
View
A
Retailer 14
-
HK$39,668 HKD
$5,056 USD
View
A
Retailer 15
-
HK$42,327 HKD
£4,248 GBP
View
A
Retailer 16
-
HK$47,470 HKD
ZAR 97,746 ZAR
View
Retailer 17
-
HK$51,007 HKD
A$10,002 AUD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
HK$59,541 HKD
$7,589 USD
View
B+
Retailer 19
-
HK$60,023 HKD
£6,024 GBP
View
B+
Retailer 20
-
HK$62,138 HKD
$7,920 USD
View
B+
Retailer 21
-
HK$62,649 HKD
$7,985 USD
View
B
Retailer 22
-
HK$77,834 HKD
$9,921 USD
View
B
Retailer 23
-
HK$78,942 HKD
SGD 13,597 SGD
View
B
Retailer 24
-
HK$102,465 HKD
$13,060 USD
View
B
Retailer 25
-
HK$115,285 HKD
$14,694 USD
View
Most Expensive
Novita Diamonds
cert_727578306 · Oct 8
HK$119,935 HKD
A$23,518 AUD
View
Price last confirmed 21 days ago
25 more retailers have this diamond
Prices start from HK$18,630 HKDSave up to HK$96,655 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$18,630 HKD