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Princess|Lab Grown|IGI

1.01ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG687536559

Shape and cutting style on the report: Princess cut

Certificate IGI LG687536559

Diamond specifications and retailer prices

From £124 GBP
As of November 6, 2026
Save £685 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £809 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.01ct lab-grown princess diamond

This 1.01ct lab-grown princess sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG687536559 or 687536559. Listed at 20 retailers as of November 4, 2026, with prices from £124 to £809, a £685 spread on the same certified stone. Reve Diamonds lists it at £809. 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

1.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687536559
Dimensions5.45 × 5.42 × 3.88 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.45 mm5.42 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG687536559
Side View
Table 67.0%Crown 44.9°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 71.6%

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: Nov 6
Current: £717 GBP|Low: £123 GBP|High: £809 GBP|Avg: £343 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 4, 2026
Retailer 4£124 GBP
Retailer 14£138 GBP
Retailer 15£144 GBP
Retailer 2£154 GBP
Retailer 6£154 GBP
Retailer 9£221 GBP
Retailer 11£270 GBP
Retailer 17£277 GBP
Retailer 13£292 GBP
Retailer 12£298 GBP
Retailer 16£333 GBP
Retailer 8£345 GBP
Retailer 7£431 GBP
Retailer 3£495 GBP
Retailer 10£522 GBP
Retailer 5£535 GBP
Retailer 1£717 GBP
Reve Diamonds£809 GBP

43 data points across 18 retailers

20 retailers£124 GBP to £809 GBP

A
Cheapest Retailer
-
£124 GBP
A
Retailer 2
-
£138 GBP
View
Final sale: no returns
A
Retailer 3
-
£144 GBP
View
Retailer 4
-
£151 GBP
View
Price last confirmed 45 days ago
A
Retailer 5
-
£154 GBP
View
Retailer 6
-
£154 GBP
View
Price last confirmed 12 days ago
B+
Retailer 7
-
£221 GBP
View
B+
Retailer 8
-
£270 GBP
View
B+
Retailer 9
-
£277 GBP
View
B+
Retailer 10
-
£292 GBP
View
Retailer 11
-
£298 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£333 GBP
View
Retailer 13
-
£345 GBP
View
Price last confirmed 9 days ago
B
Retailer 14
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£407 GBP
View
B
Retailer 15
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£431 GBP
View
B
Retailer 16
-
£495 GBP
View
B
Retailer 17
-
£522 GBP
View
B
Retailer 18
-
£535 GBP
View
B
Retailer 19
-
£717 GBP
View
Most Expensive
B
Reve Diamonds
CE33521EA · Nov 4
£809 GBP
$1,088 USD
View
19 more retailers have this diamond
Prices start from £124 GBPSave up to £685 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
1.01ct Princess
£124 GBP