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0.74ct E SI1 Round Lab Grown Diamond

EX • E/SI1

Diamond specifications and retailer prices

From £133 GBP
$178 USD
As of October 27, 2026
Save £469 GBP (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £602 GBP at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 0.74ct lab-grown round diamond

This 0.74ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of October 27, 2026, with prices from £133 to £602, a £469 spread on the same certified stone. Helzberg Diamonds lists it at £602. 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

0.74
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions5.82 × 5.85 × 3.57 mm
L/W Ratio1.01
Top View
5.82 mm5.85 mm0.74 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £602 GBP|Low: £102 GBP|High: £602 GBP|Avg: £312 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
October 21, 2026
Retailer 4£102 GBP
Retailer 2£133 GBP
Retailer 3£426 GBP
Helzberg Diamonds£602 GBP

4 data points across 4 retailers

3 retailers£133 GBP to £602 GBP

B+
Cheapest Retailer
-
£133 GBP
$178 USD
B
Retailer 2
-
£426 GBP
$571 USD
View
Most Expensive
C
Helzberg Diamonds
ZXZNGMLKOOLG · Oct 29
£602 GBP
$806 USD
View
2 more retailers have this diamond
Prices start from £133 GBPSave up to £469 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+
0.74ct Round
£133 GBP