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Round|Lab Grown|UNKNOWN

0.31ct E I1 Round Lab Grown Diamond

EX • E/I1 • UNKNOWN 35295295

Certificate UNKNOWN 35295295

Diamond specifications and retailer prices

From $199 AUD
$140 USD
As of October 29, 2026
Save $598 AUD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $797 AUD at NZ Jewellers · As of October 30, 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 top-tier cut grade and certified by UNKNOWN 35295295. Listed at 5 retailers as of October 29, 2026, with prices from $199 to $797, a $598 spread on the same certified stone. NZ Jewellers lists it at $797. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.31
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 35295295
Dimensions4.30 × 4.27 × 2.69 mm
L/W Ratio1.01
Top View
4.30 mm4.27 mm0.31 ctE / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 35295295
Side View
Table 55.3%CrownGirdlePavilionCuletDepth 62.9%

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: $199 AUD|Low: $192 AUD|High: $461 AUD|Avg: $289 AUD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1$199 AUD
Retailer 4$232 AUD
Retailer 2$248 AUD
Retailer 3$461 AUD

4 data points across 4 retailers

5 retailers$199 AUD to $797 AUD

B+
Cheapest Retailer
-
$199 AUD
$140 USD
B+
Retailer 2
-
$232 AUD
$163 USD
View
B
Retailer 3
-
$248 AUD
$174 USD
View
B
Retailer 4
-
$461 AUD
$324 USD
View
Most Expensive
C
NZ Jewellers
dcdefa32-6dd3-4c51-b118-04fb6897a1bb · Oct 30
$797 AUD
$560 USD
View
4 more retailers have this diamond
Prices start from $199 AUDSave up to $598 AUD

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
$199 AUD