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Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG783641774

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783641774

Diamond specifications and retailer prices

From HK$3,374 HKD
$430 USD
As of November 1, 2026
Save HK$11,992 HKD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$20,008 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 LG783641774 or 783641774. 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 angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783641774
Dimensions7.03 × 7.06 × 4.19 mm
L/W Ratio1.00
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
7.03 mm7.06 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783641774
Side View
Table 57.0%Crown 33.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.5%

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$20,008 HKD|Low: HK$3,240 HKD|High: HK$20,008 HKD|Avg: HK$8,059 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
Retailer 21
November 1, 2026
Retailer 3HK$3,374 HKD
Retailer 12HK$3,766 HKD
Retailer 10HK$3,782 HKD
Retailer 7HK$4,182 HKD
Retailer 14HK$4,182 HKD
Retailer 18HK$5,335 HKD
Retailer 9HK$5,979 HKD
Retailer 21HK$6,518 HKD
Retailer 19HK$6,583 HKD
Retailer 15HK$6,859 HKD
Retailer 4HK$7,085 HKD
Retailer 16HK$7,188 HKD
Retailer 5HK$9,986 HKD
Retailer 13HK$10,195 HKD
Retailer 6HK$11,377 HKD
Retailer 17HK$11,730 HKD
Retailer 8HK$13,279 HKD
Retailer 11HK$13,448 HKD
Retailer 20HK$14,044 HKD
Retailer 2HK$15,365 HKD
Brilliant EarthHK$20,008 HKD

36 data points across 21 retailers

22 retailersHK$3,374 HKD to HK$15,365 HKD

A
Cheapest Retailer
-
HK$3,374 HKD
$430 USD
A
Retailer 2
-
HK$3,766 HKD
$480 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,782 HKD
$482 USD
View
Retailer 4
-
HK$4,182 HKD
$533 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$4,182 HKD
$533 USD
View
A
Retailer 6
-
HK$5,335 HKD
$680 USD
View
A
Retailer 7
-
HK$5,979 HKD
$762 USD
View
B+
Retailer 8
-
HK$6,379 HKD
$813 USD
View
B+
Retailer 9
-
HK$6,518 HKD
A$1,278 AUD
View
B+
Retailer 10
-
HK$6,583 HKD
$839 USD
View
B+
Retailer 11
-
HK$6,859 HKD
£688 GBP
View
B+
Retailer 12
-
HK$7,188 HKD
ZAR 14,800 ZAR
View
Retailer 13
-
HK$9,986 HKD
A$1,958 AUD
View
Price last confirmed 25 days ago
B+
Retailer 14
-
HK$10,195 HKD
A$1,999 AUD
View
Retailer 15
-
HK$11,377 HKD
$1,450 USD
View
Price last confirmed 26 days ago
B
Retailer 16
-
HK$11,730 HKD
$1,495 USD
View
Retailer 17
-
HK$13,279 HKD
SGD 2,287 SGD
View
Price last confirmed 21 days ago
B
Retailer 18
-
HK$13,448 HKD
$1,714 USD
View
Retailer 19
-
HK$13,700 HKD
$1,746 USD
View
Price last confirmed 21 days ago
B
Retailer 20
-
HK$14,044 HKD
$1,790 USD
View
B
Retailer 21
-
HK$15,365 HKD
£1,542 GBP
View
Most Expensive
Brilliant Earth
19018680A · Oct 14
HK$20,008 HKD
$2,550 USD
View
Price last confirmed 19 days ago
21 more retailers have this diamond
Prices start from HK$3,374 HKDSave up to HK$11,992 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$3,374 HKD