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Radiant|Lab Grown|IGI

1.88ct D FL Radiant Lab Grown Diamond

VG • D/FL

Diamond specifications and retailer prices

From £412 GBP
$552 USD
As of October 30, 2026
Save £1,072 GBP (72%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,484 GBP at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.88ct lab-grown radiant diamond

This 1.88ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI. Listed at 4 retailers as of October 28, 2026, with prices from £412 to £1,484, a £1,072 spread on the same certified stone. NZ Jewellers lists it at £1,484. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.88
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.61 × 6.18 × 4.24 mm
L/W Ratio1.39
Top View
8.61 mm6.18 mm1.88 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,484 GBP|Low: £412 GBP|High: £4,019 GBP|Avg: £1,487 GBP|-4.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 27, 2026
Retailer 2£412 GBP
Retailer 4£462 GBP
Retailer 3£691 GBP
NZ Jewellers£1,484 GBP
Retailer 5£4,019 GBP

6 data points across 5 retailers

4 retailers£412 GBP to £1,484 GBP

A
Cheapest Retailer
-
£412 GBP
$552 USD
A
Retailer 2
-
£462 GBP
$619 USD
View
A
Retailer 3
-
£691 GBP
$926 USD
View
Most Expensive
B
NZ Jewellers
ab37fab6-ae87-4a7e-8850-43fad2650ff1 · Oct 28
£1,484 GBP
$1,989 USD
View
3 more retailers have this diamond
Prices start from £412 GBPSave up to £1,072 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
1.88ct Radiant
£412 GBP