Princess|Lab Grown|IGI

1.05ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG731571726

Shape and cutting style on the report: Princess cut

Certificate IGI LG731571726

Diamond specifications and retailer prices

From €256 EUR
$286 USD
As of October 30, 2026
Save €1,919 EUR (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,175 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.05ct lab-grown princess diamond

This 1.05ct 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 LG731571726 or 731571726. Listed at 22 retailers as of October 29, 2026, with prices from €256 to €2,175, a €1,919 spread on the same certified stone. Brilliant Earth lists it at €2,175. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731571726
Dimensions5.53 × 5.44 × 4.05 mm
L/W Ratio1.02
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 mm5.44 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731571726
Side View
Table 72.0%Crown 43.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 74.4%

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: Oct 30
Current: €2,175 EUR|Low: €256 EUR|High: €2,175 EUR|Avg: €754 EUR
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 16€256 EUR
Retailer 9€287 EUR
Retailer 3€297 EUR
Retailer 5€318 EUR
Retailer 18€318 EUR
Retailer 13€328 EUR
Retailer 10€355 EUR
Retailer 4€416 EUR
Retailer 11€428 EUR
Retailer 17€522 EUR
Retailer 7€534 EUR
Retailer 22€546 EUR
Retailer 6€552 EUR
Retailer 2€557 EUR
Retailer 20€776 EUR
Retailer 15€850 EUR
Retailer 14€977 EUR
Retailer 21€1,022 EUR
Retailer 8€1,066 EUR
Retailer 19€1,281 EUR
Retailer 12€1,315 EUR
Brilliant Earth€2,175 EUR

30 data points across 22 retailers

22 retailers€256 EUR to €2,175 EUR

A
Cheapest Retailer
-
€256 EUR
$286 USD
A
Retailer 2
-
€287 EUR
$321 USD
View
Final sale: no returns
A
Retailer 3
-
€297 EUR
$332 USD
View
A
Retailer 4
-
€318 EUR
$355 USD
View
A
Retailer 5
-
€318 EUR
$355 USD
View
A
Retailer 6
-
€328 EUR
£289 GBP
View
A
Retailer 7
-
€355 EUR
HK$3,100 HKD
View
A
Retailer 8
-
€416 EUR
$465 USD
View
A
Retailer 9
-
€428 EUR
$478 USD
View
A
Retailer 10
-
€522 EUR
View
A
Retailer 11
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€534 EUR
$597 USD
View
A
Retailer 12
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€546 EUR
ZAR 9,857 ZAR
View
A
Retailer 13
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€552 EUR
$617 USD
View
A
Retailer 14
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€557 EUR
£490 GBP
View
B+
Retailer 15
-
€776 EUR
A$1,333 AUD
View
B+
Retailer 16
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€850 EUR
SGD 1,283 SGD
View
B+
Retailer 17
-
€977 EUR
$1,091 USD
View
B+
Retailer 18
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€1,022 EUR
$1,142 USD
View
B+
Retailer 19
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€1,066 EUR
$1,191 USD
View
B+
Retailer 20
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€1,281 EUR
£1,127 GBP
View
B
Retailer 21
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€1,315 EUR
$1,469 USD
View
Most Expensive
B
Brilliant Earth
18890759A · Oct 29
€2,175 EUR
$2,430 USD
View
21 more retailers have this diamond
Prices start from €256 EURSave up to €1,919 EUR

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
1.05ct Princess
€256 EUR