CaratHunter
Plans
Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG811647377

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647377

Diamond specifications and retailer prices

From HK$3,664 HKD
$467 USD
As of November 1, 2026
Save HK$13,017 HKD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$20,086 HKD at Brilliant Earth · As of October 14, 2026
View at Brilliant Earth

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811647377 or 811647377. Listed at 22 retailers as of November 1, 2026, with a 355% 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

1.25
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647377
Dimensions6.98 × 6.95 × 4.20 mm
L/W Ratio1.00
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
6.98 mm6.95 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647377
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

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$20,086 HKD|Low: HK$3,515 HKD|High: HK$20,635 HKD|Avg: HK$9,503 HKD|-2.7%
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
November 1, 2026
Retailer 4HK$3,664 HKD
Retailer 12HK$4,096 HKD
Retailer 10HK$4,104 HKD
Retailer 8HK$4,543 HKD
Retailer 19HK$5,649 HKD
Retailer 16HK$6,977 HKD
Retailer 5HK$7,085 HKD
Retailer 20HK$7,093 HKD
Retailer 13HK$7,202 HKD
Retailer 14HK$7,444 HKD
Retailer 17HK$7,803 HKD
Retailer 6HK$10,210 HKD
Retailer 15HK$11,067 HKD
Retailer 7HK$11,534 HKD
Retailer 18HK$12,209 HKD
Retailer 9HK$14,417 HKD
Retailer 11HK$14,594 HKD
Retailer 3HK$14,866 HKD
Retailer 2HK$16,681 HKD
Brilliant EarthHK$20,086 HKD

39 data points across 20 retailers

22 retailersHK$3,664 HKD to HK$16,681 HKD

A
Cheapest Retailer
-
HK$3,664 HKD
$467 USD
A
Retailer 2
-
HK$4,096 HKD
$522 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,104 HKD
$523 USD
View
A
Retailer 4
-
HK$4,543 HKD
$579 USD
View
Retailer 5
-
HK$4,543 HKD
$579 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
HK$5,649 HKD
$720 USD
View
B+
Retailer 7
-
HK$6,481 HKD
$826 USD
View
B+
Retailer 8
-
HK$6,977 HKD
A$1,368 AUD
View
B+
Retailer 9
-
HK$7,093 HKD
$904 USD
View
B+
Retailer 10
-
HK$7,202 HKD
£723 GBP
View
B+
Retailer 11
-
HK$7,444 HKD
£747 GBP
View
B+
Retailer 12
-
HK$7,803 HKD
ZAR 16,067 ZAR
View
Retailer 13
-
HK$10,210 HKD
A$2,002 AUD
View
Price last confirmed 26 days ago
B
Retailer 14
-
HK$11,067 HKD
A$2,170 AUD
View
Retailer 15
-
HK$11,534 HKD
$1,470 USD
View
Price last confirmed 26 days ago
B
Retailer 16
-
HK$12,209 HKD
$1,556 USD
View
Retailer 17
-
HK$14,417 HKD
SGD 2,483 SGD
View
Price last confirmed 21 days ago
B
Retailer 18
-
HK$14,594 HKD
$1,860 USD
View
Retailer 19
-
HK$14,833 HKD
$1,890 USD
View
Price last confirmed 21 days ago
B
Retailer 20
-
HK$14,866 HKD
$1,895 USD
View
B
Retailer 21
-
HK$16,681 HKD
£1,674 GBP
View
Most Expensive
Brilliant Earth
21369880A · Oct 14
HK$20,086 HKD
$2,560 USD
View
Price last confirmed 19 days ago
21 more retailers have this diamond
Prices start from HK$3,664 HKDSave up to HK$13,017 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
1.25ct Round
HK$3,664 HKD