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Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG811647341

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811647341

Diamond specifications and retailer prices

From HK$3,703 HKD
$472 USD
As of November 1, 2026
Save HK$13,266 HKD (78%) vs most expensive(unlock to see where)
23 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 LG811647341 or 811647341. Listed at 23 retailers as of October 29, 2026, with a 358% 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 angle35.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811647341
Dimensions6.85 × 6.90 × 4.29 mm
L/W Ratio1.01
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
6.85 mm6.90 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811647341
Side View
Table 59.0%Crown 35.6°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.5%

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$3,554 HKD|High: HK$20,086 HKD|Avg: HK$9,028 HKD
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$3,703 HKD
Retailer 12HK$4,143 HKD
Retailer 10HK$4,151 HKD
Retailer 8HK$4,598 HKD
Retailer 18HK$5,688 HKD
Retailer 15HK$6,977 HKD
Retailer 5HK$7,085 HKD
Retailer 19HK$7,179 HKD
Retailer 2HK$7,289 HKD
Retailer 3HK$7,415 HKD
Retailer 16HK$7,898 HKD
Retailer 6HK$10,266 HKD
Retailer 13HK$11,200 HKD
Retailer 7HK$11,573 HKD
Retailer 17HK$12,358 HKD
Retailer 9HK$14,556 HKD
Retailer 11HK$14,774 HKD
Retailer 20HK$14,992 HKD
Retailer 14HK$16,970 HKD
Brilliant EarthHK$20,086 HKD

38 data points across 20 retailers

23 retailersHK$3,703 HKD to HK$16,970 HKD

A
Cheapest Retailer
-
HK$3,703 HKD
$472 USD
A
Retailer 2
-
HK$4,143 HKD
$528 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,151 HKD
$529 USD
View
Retailer 4
-
HK$4,598 HKD
$586 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
HK$4,598 HKD
$586 USD
View
A
Retailer 6
-
HK$5,688 HKD
$725 USD
View
B+
Retailer 7
-
HK$6,497 HKD
$828 USD
View
B+
Retailer 8
-
HK$6,977 HKD
A$1,368 AUD
View
B+
Retailer 9
-
HK$7,179 HKD
$915 USD
View
B+
Retailer 10
-
HK$7,289 HKD
£732 GBP
View
Retailer 11
-
HK$7,415 HKD
£744 GBP
View
Price last confirmed 20 days ago
B+
Retailer 12
-
HK$7,898 HKD
ZAR 16,262 ZAR
View
Retailer 13
-
HK$10,266 HKD
A$2,013 AUD
View
Price last confirmed 26 days ago
Retailer 14
-
HK$10,663 HKD
$1,359 USD
View
Price last confirmed 18 days ago
B
Retailer 15
-
HK$11,200 HKD
A$2,196 AUD
View
Retailer 16
-
HK$11,573 HKD
$1,475 USD
View
Price last confirmed 27 days ago
B
Retailer 17
-
HK$12,358 HKD
$1,575 USD
View
Retailer 18
-
HK$14,556 HKD
SGD 2,507 SGD
View
Price last confirmed 21 days ago
B
Retailer 19
-
HK$14,774 HKD
$1,883 USD
View
B
Retailer 20
-
HK$14,992 HKD
$1,911 USD
View
Retailer 21
-
HK$15,004 HKD
$1,912 USD
View
Price last confirmed 21 days ago
B
Retailer 22
-
HK$16,970 HKD
£1,703 GBP
View
Most Expensive
Brilliant Earth
21124084A · Oct 14
HK$20,086 HKD
$2,560 USD
View
Price last confirmed 19 days ago
22 more retailers have this diamond
Prices start from HK$3,703 HKDSave up to HK$13,266 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$3,703 HKD