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Princess|Lab Grown|IGI

1.04ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG660413284

Shape and cutting style on the report: Princess cut

Certificate IGI LG660413284

Diamond specifications and retailer prices

From £136 GBP
As of November 6, 2026
Save £711 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £847 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.04ct lab-grown princess diamond

This 1.04ct 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 LG660413284 or 660413284. Listed at 19 retailers as of November 4, 2026, with prices from £136 to £847, a £711 spread on the same certified stone. Reve Diamonds lists it at £847. 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

1.04
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660413284
Dimensions5.53 × 5.51 × 3.88 mm
L/W Ratio1.00
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
5.53 mm5.51 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660413284
Side View
Table 69.0%Crown 43.5°Girdle: MediumPavilion 37.1°Culet: NoneDepth 70.4%

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: £302 GBP|Low: £135 GBP|High: £847 GBP|Avg: £404 GBP|+4.4%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Reve Diamonds
November 6, 2026
Retailer 5£136 GBP
Retailer 12£152 GBP
Retailer 13£158 GBP
Retailer 3£169 GBP
Retailer 7£169 GBP
Retailer 14£236 GBP
Retailer 2£299 GBP
Retailer 1£302 GBP
Retailer 11£324 GBP
Retailer 16£348 GBP
Retailer 15£353 GBP
Retailer 4£543 GBP
Retailer 9£574 GBP
Retailer 6£583 GBP
Retailer 8£691 GBP
Retailer 10£789 GBP
Reve Diamonds£847 GBP

45 data points across 17 retailers

19 retailers£136 GBP to £847 GBP

A
Cheapest Retailer
-
£136 GBP
A
Retailer 2
-
£152 GBP
View
Final sale: no returns
A
Retailer 3
-
£158 GBP
View
Retailer 4
-
£166 GBP
View
Price last confirmed 45 days ago
Retailer 5
-
£169 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£169 GBP
View
B+
Retailer 7
-
£236 GBP
View
B+
Retailer 8
-
£299 GBP
View
B+
Retailer 9
-
£302 GBP
View
Retailer 10
-
£324 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£348 GBP
View
Retailer 12
-
£353 GBP
View
Price last confirmed 9 days ago
B
Retailer 13
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£455 GBP
View
B
Retailer 14
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£543 GBP
View
B
Retailer 15
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£574 GBP
View
B
Retailer 16
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£583 GBP
View
B
Retailer 17
-
£691 GBP
View
B
Retailer 18
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£789 GBP
View
Most Expensive
B
Reve Diamonds
F237DB188 · Nov 4
£847 GBP
$1,141 USD
View
18 more retailers have this diamond
Prices start from £136 GBPSave up to £711 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
1.04ct Princess
£136 GBP