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Round|Lab Grown|UNKNOWN

0.50ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • UNKNOWN 619991999

Certificate UNKNOWN 619991999

Diamond specifications and retailer prices

From £105 GBP
$141 USD
As of October 29, 2026
Save £315 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £420 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct lab-grown round diamond

This 0.5ct lab-grown round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 619991999. Listed at 5 retailers as of October 29, 2026, with prices from £105 to £420, a £315 spread on the same certified stone. NZ Jewellers lists it at £420. 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

0.50
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 619991999
Dimensions5.13 × 5.06 × 3.12 mm
L/W Ratio1.01
Top View
5.13 mm5.06 mm0.50 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateUNKNOWN 619991999
Side View
Table 55.2%CrownGirdlePavilionCuletDepth 61.0%

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: £102 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 £420 GBP

B+
Cheapest Retailer
-
£105 GBP
$141 USD
B+
Retailer 2
-
£122 GBP
$164 USD
View
B+
Retailer 3
-
£131 GBP
$175 USD
View
B
Retailer 4
-
£243 GBP
$326 USD
View
Most Expensive
B
NZ Jewellers
064aa9e1-f3d1-493c-954b-5671470fd4a8 · Oct 30
£420 GBP
$563 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+
0.50ct Round
£105 GBP