CaratHunter
Plans
Round|Lab Grown|IGI

1.25ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG830622723

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830622723

Diamond specifications and retailer prices

From £180 GBP
$241 USD
As of November 1, 2026
Save £1,549 GBP (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,729 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG830622723 or 830622723. Listed at 19 retailers as of November 1, 2026, with prices from £180 to £1,729, a £1,549 spread on the same certified stone. Do Amore Diamonds lists it at £1,729. 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 angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830622723
Dimensions6.91 × 6.96 × 4.25 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
6.91 mm6.96 mm1.25 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830622723
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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: £1,729 GBP|Low: £180 GBP|High: £1,729 GBP|Avg: £618 GBP|+0.4%
Do Amore Diamonds
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 3, 2026
Retailer 3£180 GBP
Retailer 8£194 GBP
Retailer 18£209 GBP
Retailer 15£223 GBP
Retailer 12£276 GBP
Retailer 19£300 GBP
Retailer 7£388 GBP
Retailer 14£390 GBP
Retailer 4£395 GBP
Retailer 17£436 GBP
Retailer 2£475 GBP
Retailer 5£576 GBP
Retailer 9£646 GBP
Retailer 10£718 GBP
Retailer 16£791 GBP
Retailer 20£923 GBP
Retailer 6£943 GBP
Retailer 13£986 GBP
Retailer 11£1,312 GBP
Do Amore Diamonds£1,729 GBP

14 data points across 20 retailers

19 retailers£180 GBP to £1,729 GBP

A
Cheapest Retailer
-
£180 GBP
$241 USD
A
Retailer 2
-
£209 GBP
$280 USD
View
A
Retailer 3
-
£223 GBP
$299 USD
View
A
Retailer 4
-
£276 GBP
$370 USD
View
A
Retailer 5
-
£300 GBP
$403 USD
View
A
Retailer 6
-
£388 GBP
€496 EUR
View
A
Retailer 7
-
£390 GBP
View
A
Retailer 8
-
£395 GBP
$530 USD
View
A
Retailer 9
-
£436 GBP
$585 USD
View
A
Retailer 10
-
£475 GBP
View
A
Retailer 11
-
£576 GBP
A$1,190 AUD
View
Retailer 12
-
£646 GBP
$866 USD
View
Price last confirmed 7 days ago
Retailer 13
-
£718 GBP
$963 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£791 GBP
$1,062 USD
View
B+
Retailer 15
-
£923 GBP
$1,239 USD
View
B+
Retailer 16
-
£943 GBP
$1,265 USD
View
B+
Retailer 17
-
£986 GBP
View
B
Retailer 18
-
£1,312 GBP
$1,760 USD
View
Most Expensive
B
Do Amore Diamonds
27-8F1B55702 · Nov 2
£1,729 GBP
$2,320 USD
View
18 more retailers have this diamond
Prices start from £180 GBPSave up to £1,549 GBP

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
£180 GBP