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Oval|Lab Grown|IGI

1.55ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG788621514

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788621514

Diamond specifications and retailer prices

From HK$5,225 HKD
$666 USD
As of October 29, 2026
Save HK$20,342 HKD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$42,916 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 LG788621514 or 788621514. Listed at 24 retailers as of October 26, 2026, with a 389% 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 angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621514
Dimensions9.44 × 6.58 × 4.02 mm
L/W Ratio1.43
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
9.44 mm6.58 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621514
Side View
Table 62.0%Crown 33°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

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 29
Current: HK$42,916 HKD|Low: HK$5,013 HKD|High: HK$42,916 HKD|Avg: HK$13,807 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
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Retailer 15
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Retailer 17
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Retailer 20
Retailer 21
October 31, 2026
Retailer 3HK$5,225 HKD
Retailer 21HK$5,688 HKD
Retailer 9HK$5,845 HKD
Retailer 6HK$6,065 HKD
Retailer 7HK$6,065 HKD
Retailer 15HK$6,872 HKD
Retailer 18HK$7,493 HKD
Retailer 14HK$7,979 HKD
Retailer 11HK$8,693 HKD
Retailer 16HK$9,373 HKD
Retailer 2HK$9,696 HKD
Retailer 20HK$10,166 HKD
Retailer 17HK$11,141 HKD
Retailer 8HK$13,565 HKD
Retailer 5HK$17,041 HKD
Retailer 13HK$19,591 HKD
Retailer 12HK$20,442 HKD
Retailer 10HK$21,032 HKD
Retailer 19HK$25,568 HKD
Retailer 4HK$31,618 HKD
Brilliant EarthHK$42,916 HKD

40 data points across 21 retailers

24 retailersHK$5,225 HKD to HK$25,568 HKD

A
Cheapest Retailer
-
HK$5,225 HKD
$666 USD
A
Retailer 2
-
HK$5,688 HKD
$725 USD
View
A
Retailer 3
-
HK$5,845 HKD
$745 USD
View
Final sale: no returns
Retailer 4
-
HK$6,065 HKD
$773 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$6,065 HKD
$773 USD
View
A
Retailer 6
-
HK$6,872 HKD
£690 GBP
View
A
Retailer 7
-
HK$7,493 HKD
$955 USD
View
B+
Retailer 8
-
HK$7,979 HKD
$1,017 USD
View
B+
Retailer 9
-
HK$8,693 HKD
$1,108 USD
View
B+
Retailer 10
-
HK$9,274 HKD
$1,182 USD
View
B+
Retailer 11
-
HK$9,373 HKD
A$1,838 AUD
View
B+
Retailer 12
-
HK$9,696 HKD
£973 GBP
View
B+
Retailer 13
-
HK$10,166 HKD
€1,234 EUR
View
B+
Retailer 14
-
HK$11,141 HKD
ZAR 22,941 ZAR
View
B+
Retailer 15
-
HK$13,565 HKD
$1,729 USD
View
B
Retailer 16
-
HK$17,041 HKD
$2,172 USD
View
B
Retailer 17
-
HK$18,892 HKD
£1,896 GBP
View
B+
Retailer 18
-
HK$19,591 HKD
$2,497 USD
View
B
Retailer 19
-
HK$20,442 HKD
SGD 3,521 SGD
View
B
Retailer 20
-
HK$20,909 HKD
$2,665 USD
View
B
Retailer 21
-
HK$21,032 HKD
$2,681 USD
View
B
Retailer 22
-
HK$25,568 HKD
£2,566 GBP
View
Retailer 23
-
HK$31,618 HKD
$4,030 USD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
20046393A · Oct 29
HK$42,916 HKD
$5,470 USD
View
Price under review
23 more retailers have this diamond
Prices start from HK$5,225 HKDSave up to HK$20,342 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$5,225 HKD