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Round|Lab Grown|GIA

3.53ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 3505665408

Certificate GIA 3505665408

Diamond specifications and retailer prices

From £867 GBP
$1,154 USD
As of October 30, 2026
Save £2,717 GBP (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,583 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.53ct lab-grown round diamond

This 3.53ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3505665408. Listed at 12 retailers as of October 30, 2026, with prices from £867 to £3,583, a £2,717 spread on the same certified stone. Taylor and Hart lists it at £3,583. 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

3.53
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabGIA
CertificateGIA 3505665408
Dimensions9.80 × 9.84 × 6.06 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
9.80 mm9.84 mm3.53 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3505665408
Side View
Table 57.0%Crown 34.5°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,425 GBP|Low: £867 GBP|High: £3,583 GBP|Avg: £1,766 GBP|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 30, 2026
Retailer 9£867 GBP
Retailer 8£882 GBP
Retailer 10£1,044 GBP
Retailer 7£1,149 GBP
Retailer 6£1,221 GBP
Retailer 1£1,425 GBP
Retailer 4£1,538 GBP
Retailer 5£1,854 GBP
Retailer 2£2,565 GBP
Retailer 3£3,259 GBP
Taylor and Hart£3,583 GBP

42 data points across 11 retailers

12 retailers£867 GBP to £3,583 GBP

A
Cheapest Retailer
-
£867 GBP
$1,154 USD
A
Retailer 2
-
£882 GBP
$1,175 USD
View
Final sale: no returns
B+
Retailer 3
-
£1,044 GBP
$1,390 USD
View
B+
Retailer 4
-
£1,149 GBP
$1,530 USD
View
B+
Retailer 5
-
£1,221 GBP
HK$12,700 HKD
View
B+
Retailer 6
-
£1,425 GBP
View
B+
Retailer 7
-
£1,538 GBP
€1,950 EUR
View
B
Retailer 8
-
£1,854 GBP
A$3,798 AUD
View
B
Retailer 9
-
£1,891 GBP
$2,518 USD
View
B
Retailer 10
-
£2,565 GBP
$3,415 USD
View
B
Retailer 11
-
£3,259 GBP
View
Most Expensive
B
Taylor and Hart
WXY71FH · Oct 30
£3,583 GBP
$4,772 USD
View
11 more retailers have this diamond
Prices start from £867 GBPSave up to £2,717 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.

A
3.53ct Round
£867 GBP