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Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG733511650

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG733511650

Diamond specifications and retailer prices

From HK$5,814 HKD
$741 USD
As of October 30, 2026
Save HK$19,694 HKD (77%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$42,681 HKD at Brilliant Earth · As of October 29, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG733511650 or 733511650. Listed at 26 retailers as of October 29, 2026, with a 339% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733511650
Dimensions9.18 × 6.58 × 4.09 mm
L/W Ratio1.40
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
9.18 mm6.58 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733511650
Side View
Table 57.0%Crown 34.4°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 62.2%

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$42,681 HKD|Low: HK$5,194 HKD|High: HK$44,014 HKD|Avg: HK$15,684 HKD|-3.0%
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
October 30, 2026
Retailer 17HK$5,194 HKD
Retailer 8HK$5,814 HKD
Retailer 5HK$6,025 HKD
Retailer 7HK$7,940 HKD
Retailer 3HK$8,630 HKD
Retailer 12HK$8,630 HKD
Retailer 14HK$9,322 HKD
Retailer 2HK$9,633 HKD
Retailer 11HK$11,072 HKD
Retailer 16HK$15,385 HKD
Retailer 9HK$18,772 HKD
Retailer 4HK$19,465 HKD
Retailer 13HK$19,903 HKD
Retailer 6HK$20,303 HKD
Retailer 15HK$20,399 HKD
Retailer 10HK$25,508 HKD
Brilliant EarthHK$42,681 HKD

43 data points across 17 retailers

26 retailersHK$5,814 HKD to HK$25,508 HKD

Retailer 1
-
HK$5,194 HKD
$662 USD
Price last confirmed 20 days ago
Retailer 2
-
HK$5,649 HKD
$720 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
HK$5,814 HKD
$741 USD
View
Final sale: no returns
A
Retailer 4
-
HK$6,025 HKD
$768 USD
View
Retailer 5
-
HK$6,025 HKD
$768 USD
View
Price last confirmed 18 days ago
Retailer 6
-
HK$6,025 HKD
$768 USD
View
Price last confirmed 28 days ago
Retailer 7
-
HK$6,025 HKD
$768 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
HK$7,940 HKD
$1,012 USD
View
B+
Retailer 9
-
HK$8,630 HKD
$1,100 USD
View
B+
Retailer 10
-
HK$8,630 HKD
$1,100 USD
View
B+
Retailer 11
-
HK$9,164 HKD
$1,168 USD
View
B+
Retailer 12
-
HK$9,322 HKD
A$1,828 AUD
View
B+
Retailer 13
-
HK$9,633 HKD
£967 GBP
View
B+
Retailer 14
-
HK$11,072 HKD
ZAR 22,799 ZAR
View
B
Retailer 15
-
HK$15,385 HKD
$1,961 USD
View
Retailer 16
-
HK$16,939 HKD
$2,159 USD
View
Price last confirmed 23 days ago
B
Retailer 17
-
HK$18,772 HKD
£1,884 GBP
View
B+
Retailer 18
-
HK$19,465 HKD
$2,481 USD
View
B
Retailer 19
-
HK$19,903 HKD
€2,416 EUR
View
B
Retailer 20
-
HK$20,303 HKD
SGD 3,497 SGD
View
Retailer 21
-
HK$20,399 HKD
$2,600 USD
View
Price last confirmed 10 days ago
B
Retailer 22
-
HK$20,548 HKD
$2,619 USD
View
B
Retailer 23
-
HK$20,781 HKD
$2,649 USD
View
B
Retailer 24
-
HK$20,929 HKD
$2,668 USD
View
B
Retailer 25
-
HK$25,508 HKD
£2,560 GBP
View
Most Expensive
Brilliant Earth
16334558A · Oct 29
HK$42,681 HKD
$5,440 USD
View
Price under review
25 more retailers have this diamond
Prices start from HK$5,814 HKDSave up to HK$19,694 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$5,814 HKD