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Princess|Lab Grown|IGI

1.79ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG694550053

Shape and cutting style on the report: Princess cut

Certificate IGI LG694550053

Diamond specifications and retailer prices

From £172 GBP
$231 USD
As of October 30, 2026
Save £1,104 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,276 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.79ct lab-grown princess diamond

This 1.79ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694550053 or 694550053. Listed at 18 retailers as of October 30, 2026, with prices from £172 to £1,276, a £1,104 spread on the same certified stone. Brilliant Earth lists it at £1,276. 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

1.79
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694550053
Dimensions6.58 × 6.51 × 4.52 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm6.51 mm1.79 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694550053
Side View
Table 67.0%Crown 47.2°Girdle: Slightly ThickPavilion 35.6°Culet: NoneDepth 69.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,276 GBP|Low: £165 GBP|High: £1,821 GBP|Avg: £543 GBP|-29.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 11£172 GBP
Retailer 4£213 GBP
Retailer 12£213 GBP
Retailer 5£238 GBP
Retailer 10£287 GBP
Retailer 6£352 GBP
Retailer 2£402 GBP
Retailer 9£563 GBP
Retailer 3£687 GBP
Retailer 7£857 GBP
Retailer 8£952 GBP
Brilliant Earth£1,276 GBP

38 data points across 12 retailers

18 retailers£172 GBP to £1,276 GBP

A
Cheapest Retailer
-
£172 GBP
$231 USD
A
Retailer 2
-
£193 GBP
$258 USD
View
Final sale: no returns
A
Retailer 3
-
£200 GBP
$268 USD
View
A
Retailer 4
-
£213 GBP
$286 USD
View
A
Retailer 5
-
£213 GBP
$286 USD
View
A
Retailer 6
-
£238 GBP
View
B+
Retailer 7
-
£287 GBP
$385 USD
View
A
Retailer 8
-
£352 GBP
€449 EUR
View
A
Retailer 9
-
£402 GBP
View
A
Retailer 10
-
£410 GBP
$549 USD
View
B+
Retailer 11
-
£499 GBP
$668 USD
View
B+
Retailer 12
-
£563 GBP
$754 USD
View
B+
Retailer 13
-
£687 GBP
$920 USD
View
B
Retailer 14
-
£725 GBP
$972 USD
View
B
Retailer 15
-
£857 GBP
View
B
Retailer 16
-
£952 GBP
$1,275 USD
View
Retailer 17
-
£952 GBP
$1,275 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
14084803A · Oct 30
£1,276 GBP
$1,710 USD
View
17 more retailers have this diamond
Prices start from £172 GBPSave up to £1,104 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
1.79ct Princess
£172 GBP