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Round|Lab Grown|GIA

1.62ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • GIA 5231398365

Certificate GIA 5231398365

Diamond specifications and retailer prices

From £1,218 GBP
As of October 30, 2026
1 retailer carries this diamond
Only listing: £1,218 GBP at 77 Diamonds
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at 77 Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231398365. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.62
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5231398365
Dimensions7.52 × 7.55 × 4.66 mm
L/W Ratio1.00
Top View
7.52 mm7.55 mm1.62 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231398365
Side View
Table 56.0%CrownGirdlePavilionCuletDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £1,218 GBP|Low: £1,160 GBP|High: £1,218 GBP|Avg: £1,180 GBP|+4.9%
October 30, 2026
77 Diamonds£1,218 GBP

33 data points across 1 retailer

1 retailer

B
77 Diamonds
RBPUIFSR5SQQWNS · Oct 30
£1,218 GBP
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B
1.62ct Round
£1,218 GBP