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Princess|Lab Grown|IGI

1.03ct D IF Princess Lab Grown Diamond

EX • D/IF • IGI LG816623955

Shape and cutting style on the report: Princess cut

Certificate IGI LG816623955

Diamond specifications and retailer prices

From £213 GBP
$285 USD
As of October 30, 2026
Save £996 GBP (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,209 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown princess diamond

This 1.03ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816623955 or 816623955. Listed at 23 retailers as of October 30, 2026, with prices from £213 to £1,209, a £996 spread on the same certified stone. Brilliant Earth lists it at £1,209. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816623955
Dimensions5.37 × 5.35 × 3.97 mm
L/W Ratio1.00
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
5.37 mm5.35 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816623955
Side View
Table 68.0%Crown 47.3°Girdle: MediumPavilion 38.6°Culet: NoneDepth 74.2%

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: Oct 30
Current: £1,209 GBP|Low: £213 GBP|High: £1,776 GBP|Avg: £634 GBP|-31.9%
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 3£213 GBP
Retailer 7£272 GBP
Retailer 12£381 GBP
Retailer 8£426 GBP
Retailer 4£434 GBP
Retailer 11£453 GBP
Retailer 2£461 GBP
Retailer 5£634 GBP
Retailer 10£641 GBP
Retailer 6£907 GBP
Retailer 9£1,061 GBP
Brilliant Earth£1,209 GBP

37 data points across 12 retailers

23 retailers£213 GBP to £1,209 GBP

A
Cheapest Retailer
-
£213 GBP
$285 USD
A
Retailer 2
-
£237 GBP
$318 USD
View
Final sale: no returns
A
Retailer 3
-
£246 GBP
$330 USD
View
A
Retailer 4
-
£263 GBP
$353 USD
View
A
Retailer 5
-
£263 GBP
$353 USD
View
A
Retailer 6
-
£272 GBP
View
A
Retailer 7
-
£381 GBP
$510 USD
View
A
Retailer 8
-
£426 GBP
€543 EUR
View
A
Retailer 9
-
£434 GBP
$582 USD
View
A
Retailer 10
-
£446 GBP
$597 USD
View
A
Retailer 11
-
£453 GBP
ZAR 9,795 ZAR
View
A
Retailer 12
-
£461 GBP
View
B+
Retailer 13
-
£634 GBP
$850 USD
View
B+
Retailer 14
-
£641 GBP
A$1,321 AUD
View
B+
Retailer 15
-
£705 GBP
SGD 1,277 SGD
View
B
Retailer 16
-
£846 GBP
$1,134 USD
View
B
Retailer 17
-
£884 GBP
$1,185 USD
View
B
Retailer 18
-
£907 GBP
A$1,870 AUD
View
B
Retailer 19
-
£1,024 GBP
View
Retailer 20
-
£1,025 GBP
$1,373 USD
View
Price last confirmed 83 days ago
B
Retailer 21
-
£1,061 GBP
View
B
Retailer 22
-
£1,092 GBP
$1,463 USD
View
Most Expensive
B
Brilliant Earth
20835005A · Oct 30
£1,209 GBP
$1,620 USD
View
22 more retailers have this diamond
Prices start from £213 GBPSave up to £996 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
1.03ct Princess
£213 GBP