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Round|Lab Grown|GIA

0.97ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 7431687452

Certificate GIA 7431687452

Diamond specifications and retailer prices

From £379 GBP
$505 USD
As of October 29, 2026
Save £269 GBP (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £648 GBP at GemTrove · As of October 29, 2026
View at GemTrove

About this 0.97ct lab-grown round diamond

This 0.97ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7431687452. Listed at 2 retailers as of October 29, 2026, with prices from £379 to £648, a £269 spread on the same certified stone. GemTrove lists it at £648. 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

0.97
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 7431687452
Dimensions6.33 × 6.29 × 3.97 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.33 mm6.29 mm0.97 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7431687452
Side View
Table 56.0%Crown 36°GirdlePavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £648 GBP|Low: £379 GBP|High: £648 GBP|Avg: £467 GBP
GemTrove
Retailer 2
September 9, 2026
Retailer 2£379 GBP
GemTrove£648 GBP

6 data points across 2 retailers

2 retailers£379 GBP to £648 GBP

B+
Cheapest Retailer
-
£379 GBP
$505 USD
Most Expensive
B
GemTrove
GT-L-01011439-98 · Oct 29
£648 GBP
A$1,328 AUD
View
1 more retailer has this diamond
Prices start from £379 GBPSave up to £269 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+
0.97ct Round
£379 GBP