CaratHunter
Plans
Radiant|Lab Grown|IGI

1.25ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG644485311

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG644485311

Diamond specifications and retailer prices

From £175 GBP
$234 USD
As of October 30, 2026
Save £1,325 GBP (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,500 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644485311 or 644485311. Listed at 14 retailers as of October 29, 2026, with prices from £175 to £1,500, a £1,325 spread on the same certified stone. Do Amore Diamonds lists it at £1,500. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644485311
Dimensions7.65 × 5.31 × 3.57 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.65 mm5.31 mm1.25 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644485311
Side View
Table 64.0%Crown 45.3°Girdle: MediumPavilion 34.6°Culet: NoneDepth 67.2%

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: Oct 30
Current: £1,500 GBP|Low: £175 GBP|High: £1,500 GBP|Avg: £546 GBP
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
October 30, 2026
Retailer 3£175 GBP
Retailer 2£287 GBP
Retailer 13£287 GBP
Retailer 7£308 GBP
Retailer 5£310 GBP
Retailer 15£334 GBP
Retailer 10£404 GBP
Retailer 6£423 GBP
Retailer 11£523 GBP
Retailer 9£533 GBP
Retailer 12£626 GBP
Retailer 8£660 GBP
Retailer 17£817 GBP
Retailer 14£863 GBP
Retailer 4£911 GBP
Retailer 16£914 GBP
Do Amore Diamonds£1,500 GBP

22 data points across 17 retailers

14 retailers£175 GBP to £1,500 GBP

A
Cheapest Retailer
-
£175 GBP
$234 USD
Final sale: no returns
A
Retailer 2
-
£287 GBP
View
A
Retailer 3
-
£287 GBP
$385 USD
View
Retailer 4
-
£308 GBP
ZAR 6,659 ZAR
View
Price last confirmed 43 days ago
A
Retailer 5
-
£334 GBP
$448 USD
View
B+
Retailer 6
-
£404 GBP
View
B+
Retailer 7
-
£523 GBP
A$1,078 AUD
View
Retailer 8
-
£533 GBP
$715 USD
View
Price last confirmed 51 days ago
B+
Retailer 9
-
£580 GBP
View
B
Retailer 10
-
£626 GBP
$839 USD
View
B
Retailer 11
-
£817 GBP
$1,095 USD
View
Retailer 12
-
£863 GBP
View
Price last confirmed 9 days ago
B
Retailer 13
-
£914 GBP
$1,225 USD
View
Most Expensive
B
Do Amore Diamonds
27-E3C7F57CD · Oct 29
£1,500 GBP
$2,010 USD
View
13 more retailers have this diamond
Prices start from £175 GBPSave up to £1,325 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 Radiant
£175 GBP