Princess|Lab Grown|IGI

1.30ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG823695015

Shape and cutting style on the report: Princess cut

Certificate IGI LG823695015

Diamond specifications and retailer prices

From £393 GBP
$526 USD
As of October 30, 2026
Save £2,399 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,791 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.3ct lab-grown princess diamond

This 1.3ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823695015 or 823695015. Listed at 21 retailers as of October 30, 2026, with prices from £393 to £2,791, a £2,399 spread on the same certified stone. Brilliant Earth lists it at £2,791. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823695015
Dimensions5.97 × 5.92 × 4.20 mm
L/W Ratio1.01
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
5.97 mm5.92 mm1.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823695015
Side View
Table 67.0%Crown 41.4°Girdle: Slightly ThickPavilion 37.8°Culet: NoneDepth 70.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £2,791 GBP|Low: £393 GBP|High: £2,799 GBP|Avg: £1,103 GBP|-0.3%
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 8£393 GBP
Retailer 9£439 GBP
Retailer 18£440 GBP
Retailer 3£487 GBP
Retailer 19£535 GBP
Retailer 14£549 GBP
Retailer 17£590 GBP
Retailer 5£644 GBP
Retailer 6£721 GBP
Retailer 15£743 GBP
Retailer 10£755 GBP
Retailer 13£755 GBP
Retailer 16£837 GBP
Retailer 20£1,257 GBP
Retailer 21£1,281 GBP
Retailer 4£1,422 GBP
Retailer 12£1,541 GBP
Retailer 7£1,583 GBP
Retailer 11£1,668 GBP
Retailer 2£2,033 GBP
Brilliant Earth£2,791 GBP

35 data points across 21 retailers

21 retailers£393 GBP to £2,791 GBP

A
Cheapest Retailer
-
£393 GBP
$526 USD
A
Retailer 2
-
£439 GBP
$588 USD
View
Final sale: no returns
A
Retailer 3
-
£440 GBP
$589 USD
View
A
Retailer 4
-
£487 GBP
$652 USD
View
A
Retailer 5
-
£535 GBP
HK$5,600 HKD
View
Retailer 6
-
£549 GBP
$736 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
£590 GBP
$790 USD
View
A
Retailer 8
-
£644 GBP
$863 USD
View
A
Retailer 9
-
£721 GBP
$966 USD
View
A
Retailer 10
-
£743 GBP
€948 EUR
View
A
Retailer 11
-
£755 GBP
$1,011 USD
View
A
Retailer 12
-
£755 GBP
View
A
Retailer 13
-
£837 GBP
ZAR 18,116 ZAR
View
B+
Retailer 14
-
£1,257 GBP
$1,684 USD
View
B+
Retailer 15
-
£1,281 GBP
$1,716 USD
View
B+
Retailer 16
-
£1,422 GBP
View
B+
Retailer 17
-
£1,541 GBP
SGD 2,790 SGD
View
B+
Retailer 18
-
£1,583 GBP
$2,121 USD
View
B+
Retailer 19
-
£1,668 GBP
$2,235 USD
View
B
Retailer 20
-
£2,033 GBP
View
Most Expensive
B
Brilliant Earth
21240399A · Oct 31
£2,791 GBP
$3,740 USD
View
20 more retailers have this diamond
Prices start from £393 GBPSave up to £2,399 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
1.30ct Princess
£393 GBP