CaratHunter
Plans
Round|Lab Grown|UNKNOWN

0.31ct E I1 Round Lab Grown Diamond

VG • E/I1 • UNKNOWN 3526162616

Certificate UNKNOWN 3526162616

Diamond specifications and retailer prices

From £105 GBP
$140 USD
As of October 29, 2026
Save £315 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £421 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.31ct lab-grown round diamond

This 0.31ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by UNKNOWN 3526162616. Listed at 5 retailers as of October 27, 2026, with prices from £105 to £421, a £315 spread on the same certified stone. NZ Jewellers lists it at £421. 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

0.31
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 3526162616
Dimensions4.40 × 4.37 × 2.64 mm
L/W Ratio1.01
Top View
4.40 mm4.37 mm0.31 ctE / I1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 3526162616
Side View
Table 54.7%CrownGirdlePavilionCuletDepth 60.2%

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 29
Current: £105 GBP|Low: £101 GBP|High: £243 GBP|Avg: £153 GBP|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1£105 GBP
Retailer 4£122 GBP
Retailer 2£131 GBP
Retailer 3£243 GBP

4 data points across 4 retailers

5 retailers£105 GBP to £421 GBP

B+
Cheapest Retailer
-
£105 GBP
$140 USD
B+
Retailer 2
-
£122 GBP
$163 USD
View
B
Retailer 3
-
£131 GBP
$174 USD
View
C
Retailer 4
-
£243 GBP
$324 USD
View
Most Expensive
C
NZ Jewellers
b8005ce6-d5e1-4d08-b158-29f2e9054de5 · Oct 27
£421 GBP
$560 USD
View
4 more retailers have this diamond
Prices start from £105 GBPSave up to £315 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+
0.31ct Round
£105 GBP