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Round|Lab Grown|UNKNOWN

0.31ct E I1 Round Lab Grown Diamond

GD • E/I1 • UNKNOWN 35779779

Certificate UNKNOWN 35779779

Diamond specifications and retailer prices

From £104 GBP
$140 USD
As of October 29, 2026
Save £313 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £418 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 standard cut grade and certified by UNKNOWN 35779779. Listed at 5 retailers as of October 27, 2026, with prices from £104 to £418, a £313 spread on the same certified stone. NZ Jewellers lists it at £418. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 35779779
Dimensions4.15 × 4.12 × 2.78 mm
L/W Ratio1.01
Top View
4.15 mm4.12 mm0.31 ctE / I1
OriginLab Grown
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 35779779
Side View
Table 59.1%CrownGirdlePavilionCuletDepth 67.2%

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: £104 GBP|Low: £101 GBP|High: £242 GBP|Avg: £152 GBP|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1£104 GBP
Retailer 4£122 GBP
Retailer 2£130 GBP
Retailer 3£242 GBP

4 data points across 4 retailers

5 retailers£104 GBP to £418 GBP

B+
Cheapest Retailer
-
£104 GBP
$140 USD
B
Retailer 2
-
£122 GBP
$163 USD
View
B
Retailer 3
-
£130 GBP
$174 USD
View
C
Retailer 4
-
£242 GBP
$324 USD
View
Most Expensive
C
NZ Jewellers
03992696-7dbb-44e8-9f51-601b1afacdc1 · Oct 27
£418 GBP
$560 USD
View
4 more retailers have this diamond
Prices start from £104 GBPSave up to £313 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
£104 GBP