Oval|Lab Grown|IGI

1.55ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG809618878

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG809618878

Diamond specifications and retailer prices

From HK$1,962 HKD
$250 USD
As of October 26, 2026
Save HK$23,538 HKD (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$25,500 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809618878 or 809618878. Listed at 18 retailers as of October 26, 2026, with prices from HK$1,962 to HK$25,500, a HK$23,538 spread on the same certified stone. Brilliant Earth lists it at HK$25,500. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809618878
Dimensions9.26 × 6.53 × 4.05 mm
L/W Ratio1.42
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
9.26 mm6.53 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809618878
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 39.8°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 26
Current: HK$25,500 HKD|Low: HK$1,962 HKD|High: HK$39,858 HKD|Avg: HK$8,564 HKD|-36.0%
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
October 28, 2026
Retailer 4HK$1,962 HKD
Retailer 7HK$2,197 HKD
Retailer 5HK$2,275 HKD
Retailer 11HK$2,855 HKD
Retailer 6HK$3,211 HKD
Retailer 3HK$3,476 HKD
Retailer 12HK$3,492 HKD
Retailer 13HK$4,498 HKD
Retailer 17HK$4,512 HKD
Retailer 2HK$6,247 HKD
Retailer 15HK$6,873 HKD
Retailer 8HK$8,294 HKD
Retailer 16HK$8,631 HKD
Retailer 9HK$9,384 HKD
Retailer 14HK$10,782 HKD
Retailer 18HK$17,418 HKD
Retailer 10HK$18,713 HKD
Brilliant EarthHK$25,500 HKD

30 data points across 18 retailers

18 retailersHK$1,962 HKD to HK$25,500 HKD

A+
Cheapest Retailer
-
HK$1,962 HKD
$250 USD
A
Retailer 2
-
HK$2,275 HKD
$290 USD
View
A
Retailer 3
-
HK$2,855 HKD
£287 GBP
View
A
Retailer 4
-
HK$3,211 HKD
$409 USD
View
B+
Retailer 5
-
HK$3,476 HKD
$443 USD
View
Retailer 6
-
HK$3,492 HKD
$445 USD
View
Price last confirmed 5 days ago
Retailer 7
-
HK$4,498 HKD
€546 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$4,512 HKD
$575 USD
View
A
Retailer 9
-
HK$6,247 HKD
A$1,225 AUD
View
Retailer 10
-
HK$6,873 HKD
$876 USD
View
Price last confirmed 7 days ago
Retailer 11
-
HK$6,999 HKD
$892 USD
View
Price last confirmed 47 days ago
B+
Retailer 12
-
HK$8,294 HKD
$1,057 USD
View
B+
Retailer 13
-
HK$8,631 HKD
$1,100 USD
View
B+
Retailer 14
-
HK$9,384 HKD
$1,196 USD
View
B+
Retailer 15
-
HK$10,782 HKD
£1,082 GBP
View
B+
Retailer 16
-
HK$17,418 HKD
$2,220 USD
View
Retailer 17
-
HK$18,713 HKD
$2,385 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
21408725Y · Oct 28
HK$25,500 HKD
$3,250 USD
View
17 more retailers have this diamond
Prices start from HK$1,962 HKDSave up to HK$23,538 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+
1.55ct Oval
HK$1,962 HKD