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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG770636780

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636780

Diamond specifications and retailer prices

From HK$4,818 HKD
$614 USD
As of November 1, 2026
Save HK$23,742 HKD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$38,838 HKD at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round 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 LG770636780 or 770636780. Listed at 26 retailers as of November 1, 2026, with a 493% 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

1.54
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636780
Dimensions7.46 × 7.50 × 4.48 mm
L/W Ratio1.01
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
7.46 mm7.50 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636780
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

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: Nov 1
Current: HK$28,560 HKD|Low: HK$4,818 HKD|High: HK$38,838 HKD|Avg: HK$12,197 HKD|-26.5%
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
November 3, 2026
Retailer 20HK$4,818 HKD
Retailer 13HK$5,594 HKD
Retailer 12HK$5,759 HKD
Retailer 6HK$5,971 HKD
Retailer 15HK$5,971 HKD
Retailer 4HK$6,930 HKD
Retailer 10HK$7,885 HKD
Retailer 18HK$8,164 HKD
Retailer 11HK$8,552 HKD
Retailer 21HK$8,552 HKD
Retailer 8HK$8,701 HKD
Retailer 2HK$9,508 HKD
Retailer 17HK$9,548 HKD
Retailer 7HK$9,680 HKD
Retailer 16HK$10,963 HKD
Retailer 5HK$13,048 HKD
Retailer 3HK$17,136 HKD
Retailer 14HK$20,353 HKD
Retailer 9HK$20,587 HKD
Retailer 19HK$25,141 HKD
Brilliant EarthHK$28,560 HKD

21 data points across 21 retailers

26 retailersHK$4,818 HKD to HK$28,560 HKD

A
Cheapest Retailer
-
HK$4,818 HKD
$614 USD
A
Retailer 2
-
HK$5,594 HKD
$713 USD
View
A
Retailer 3
-
HK$5,759 HKD
$734 USD
View
Final sale: no returns
Retailer 4
-
HK$5,971 HKD
$761 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
HK$5,971 HKD
$761 USD
View
A
Retailer 6
-
HK$6,930 HKD
View
A
Retailer 7
-
HK$7,885 HKD
$1,005 USD
View
A
Retailer 8
-
HK$8,164 HKD
£819 GBP
View
B+
Retailer 9
-
HK$8,552 HKD
$1,090 USD
View
B+
Retailer 10
-
HK$8,552 HKD
$1,090 USD
View
B+
Retailer 11
-
HK$8,701 HKD
$1,109 USD
View
B+
Retailer 12
-
HK$9,508 HKD
£954 GBP
View
B+
Retailer 13
-
HK$9,548 HKD
€1,159 EUR
View
B+
Retailer 14
-
HK$9,680 HKD
A$1,898 AUD
View
B+
Retailer 15
-
HK$10,963 HKD
ZAR 22,573 ZAR
View
B+
Retailer 16
-
HK$13,048 HKD
$1,663 USD
View
B
Retailer 17
-
HK$13,872 HKD
$1,768 USD
View
B+
Retailer 18
-
HK$17,136 HKD
$2,184 USD
View
B
Retailer 19
-
HK$19,262 HKD
$2,455 USD
View
B
Retailer 20
-
HK$20,124 HKD
SGD 3,466 SGD
View
B
Retailer 21
-
HK$20,353 HKD
$2,594 USD
View
B
Retailer 22
-
HK$20,587 HKD
$2,624 USD
View
B
Retailer 23
-
HK$20,772 HKD
$2,647 USD
View
B
Retailer 24
-
HK$25,141 HKD
£2,523 GBP
View
B
Retailer 25
-
HK$28,560 HKD
$3,640 USD
View
Most Expensive
Brilliant Earth
18937699A · Oct 14
HK$38,838 HKD
$4,950 USD
View
Price last confirmed 19 days ago
25 more retailers have this diamond
Prices start from HK$4,818 HKDSave up to HK$23,742 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
1.54ct Round
HK$4,818 HKD