CaratHunter
Plans
Radiant|Lab Grown|UNKNOWN

1.04ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • UNKNOWN 15989345

Certificate UNKNOWN 15989345

Diamond specifications and retailer prices

From £101 GBP
As of November 6, 2026
Save £300 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £401 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.04ct lab-grown radiant diamond

This 1.04ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 15989345. Listed at 5 retailers as of November 6, 2026, with prices from £101 to £401, a £300 spread on the same certified stone. NZ Jewellers lists it at £401. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.04
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 15989345
Dimensions5.06 × 6.77 × 3.32 mm
L/W Ratio1.34
Top View
5.06 mm6.77 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 15989345
Side View
Table 66.0%CrownGirdlePavilionCuletDepth 65.5%

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 6
Current: £401 GBP|Low: £96 GBP|High: £401 GBP|Avg: £188 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 2£101 GBP
Retailer 5£117 GBP
Retailer 3£125 GBP
Retailer 4£235 GBP
NZ Jewellers£401 GBP

6 data points across 5 retailers

5 retailers£101 GBP to £401 GBP

A
Cheapest Retailer
-
£101 GBP
B+
Retailer 2
-
£117 GBP
View
B+
Retailer 3
-
£125 GBP
View
B+
Retailer 4
-
£235 GBP
View
Most Expensive
B
NZ Jewellers
6237122a-2be0-4464-8271-ef1841d89c9f · Nov 6
£401 GBP
$537 USD
View
4 more retailers have this diamond
Prices start from £101 GBPSave up to £300 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
1.04ct Radiant
£101 GBP