CaratHunter
Plans
Radiant|Lab Grown|GIA

1.72ct D IF Radiant Lab Grown Diamond

EX • D/IF

Diamond specifications and retailer prices

From £1,407 GBP
As of October 30, 2026
Save £1,485 GBP (51%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,892 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.72ct lab-grown radiant diamond

This 1.72ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 2 retailers as of October 30, 2026, with prices from £1,407 to £2,892, a £1,485 spread on the same certified stone. Blue Nile lists it at £2,892. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions7.97 × 5.93 × 4.11 mm
L/W Ratio1.34
Top View
7.97 mm5.93 mm1.72 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,892 GBP|Low: £975 GBP|High: £5,112 GBP|Avg: £1,673 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 5£975 GBP
Retailer 6£1,063 GBP
Retailer 4£1,115 GBP
Retailer 2£1,407 GBP
Retailer 7£1,797 GBP
Retailer 3£2,340 GBP
Blue Nile£2,892 GBP

40 data points across 7 retailers

2 retailers£1,407 GBP to £2,892 GBP

B+
Cheapest Retailer
-
£1,407 GBP
Most Expensive
B
Blue Nile
21646856 · Oct 31
£2,892 GBP
$3,875 USD
View
1 more retailer has this diamond
Prices start from £1,407 GBPSave up to £1,485 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.

B+
1.72ct Radiant
£1,407 GBP