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Princess|Lab Grown|IGI

1.01ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG689559854

Shape and cutting style on the report: Princess cut

Certificate IGI LG689559854

Diamond specifications and retailer prices

From £129 GBP
As of November 6, 2026
Save £697 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £826 GBP at Reve Diamonds · As of November 6, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689559854 or 689559854. Listed at 19 retailers as of November 6, 2026, with prices from £129 to £826, a £697 spread on the same certified stone. Reve Diamonds lists it at £826. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689559854
Dimensions5.44 × 5.43 × 3.81 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
5.44 mm5.43 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689559854
Side View
Table 68.0%Crown 44.1°Girdle: MediumPavilion 36.5°Culet: NoneDepth 70.2%

Caratlytics Score

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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: £283 GBP|Low: £129 GBP|High: £826 GBP|Avg: £379 GBP|+4.1%
Retailer 1
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 17
Reve Diamonds
November 6, 2026
Retailer 3£129 GBP
Retailer 4£145 GBP
Retailer 13£150 GBP
Retailer 6£160 GBP
Retailer 17£160 GBP
Retailer 14£245 GBP
Retailer 1£283 GBP
Retailer 16£285 GBP
Retailer 12£309 GBP
Retailer 9£312 GBP
Retailer 15£339 GBP
Retailer 8£442 GBP
Retailer 7£476 GBP
Retailer 2£516 GBP
Retailer 11£545 GBP
Retailer 5£556 GBP
Retailer 10£749 GBP
Reve Diamonds£826 GBP

45 data points across 18 retailers

19 retailers£129 GBP to £826 GBP

A
Cheapest Retailer
-
£129 GBP
A
Retailer 2
-
£145 GBP
View
Final sale: no returns
A
Retailer 3
-
£150 GBP
View
Retailer 4
-
£158 GBP
View
Price last confirmed 45 days ago
Retailer 5
-
£160 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£160 GBP
View
B+
Retailer 7
-
£245 GBP
View
B+
Retailer 8
-
£283 GBP
View
B+
Retailer 9
-
£285 GBP
View
Retailer 10
-
£309 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£339 GBP
View
B
Retailer 12
-
£426 GBP
View
Retailer 13
-
£442 GBP
View
Price last confirmed 9 days ago
B
Retailer 14
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£476 GBP
View
B
Retailer 15
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£516 GBP
View
B
Retailer 16
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£545 GBP
View
B
Retailer 17
-
£556 GBP
View
B
Retailer 18
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£749 GBP
View
Most Expensive
B
Reve Diamonds
D5D383C66 · Nov 6
£826 GBP
$1,112 USD
View
18 more retailers have this diamond
Prices start from £129 GBPSave up to £697 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
£129 GBP