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1.35ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 7518858336

Certificate GIA 7518858336

Diamond specifications and retailer prices

From £279 GBP
$374 USD
As of October 29, 2026
Save £1,082 GBP (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,361 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.35ct lab-grown round diamond

This 1.35ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7518858336. Listed at 20 retailers as of October 29, 2026, with prices from £279 to £1,361, a £1,082 spread on the same certified stone. MOH London lists it at £1,361. 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

1.35
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 7518858336
Dimensions7.15 × 7.12 × 4.32 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Growth Remnant
Top View
7.15 mm7.12 mm1.35 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518858336
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.6%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £1,361 GBP|Low: £279 GBP|High: £1,371 GBP|Avg: £595 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12£279 GBP
Retailer 5£313 GBP
Retailer 3£346 GBP
Retailer 11£410 GBP
Retailer 8£455 GBP
Retailer 10£466 GBP
Retailer 4£531 GBP
Retailer 6£558 GBP
Retailer 2£566 GBP
Retailer 7£567 GBP
Retailer 13£851 GBP
Retailer 9£869 GBP
MOH London£1,361 GBP

41 data points across 13 retailers

20 retailers£279 GBP to £1,361 GBP

A
Cheapest Retailer
-
£279 GBP
$374 USD
A
Retailer 2
-
£313 GBP
$419 USD
View
Final sale: no returns
A
Retailer 3
-
£324 GBP
$434 USD
View
Retailer 4
-
£342 GBP
$458 USD
View
Price last confirmed 59 days ago
A
Retailer 5
-
£346 GBP
$464 USD
View
A
Retailer 6
-
£346 GBP
$464 USD
View
B+
Retailer 7
-
£410 GBP
$550 USD
View
B+
Retailer 8
-
£442 GBP
$592 USD
View
B+
Retailer 9
-
£455 GBP
$610 USD
View
B+
Retailer 10
-
£466 GBP
$625 USD
View
B+
Retailer 11
-
£531 GBP
$711 USD
View
B+
Retailer 12
-
£558 GBP
€712 EUR
View
B+
Retailer 13
-
£566 GBP
View
B+
Retailer 14
-
£567 GBP
A$1,168 AUD
View
B
Retailer 15
-
£851 GBP
$1,140 USD
View
B
Retailer 16
-
£869 GBP
$1,164 USD
View
B
Retailer 17
-
£1,114 GBP
$1,493 USD
View
B
Retailer 18
-
£1,143 GBP
$1,531 USD
View
B
Retailer 19
-
£1,154 GBP
$1,547 USD
View
Most Expensive
B
MOH London
7518858336 · Oct 29
£1,361 GBP
View
19 more retailers have this diamond
Prices start from £279 GBPSave up to £1,082 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
1.35ct Round
£279 GBP