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 $286 USD
As of October 30, 2026
Save $2,144 USD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,430 USD 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 $286 to $2,430, a $2,144 spread on the same certified stone. Brilliant Earth lists it at $2,430. 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

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: $2,430 USD|Low: $286 USD|High: $2,430 USD|Avg: $842 USD
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 22
October 31, 2026
Retailer 16$286 USD
Retailer 9$321 USD
Retailer 3$332 USD
Retailer 5$355 USD
Retailer 18$355 USD
Retailer 13$367 USD
Retailer 10$397 USD
Retailer 4$465 USD
Retailer 11$478 USD
Retailer 17$583 USD
Retailer 7$597 USD
Retailer 22$610 USD
Retailer 6$617 USD
Retailer 2$622 USD
Retailer 20$866 USD
Retailer 15$949 USD
Retailer 14$1,091 USD
Retailer 21$1,142 USD
Retailer 8$1,191 USD
Retailer 19$1,431 USD
Retailer 12$1,469 USD
Brilliant Earth$2,430 USD

30 data points across 22 retailers

22 retailers$286 USD to $2,430 USD

A
Cheapest Retailer
-
$286 USD
A
Retailer 2
-
$321 USD
View
Final sale: no returns
A
Retailer 3
-
$332 USD
View
A
Retailer 4
-
$355 USD
View
A
Retailer 5
-
$355 USD
View
A
Retailer 6
-
$367 USD
£289 GBP
View
A
Retailer 7
-
$397 USD
HK$3,100 HKD
View
A
Retailer 8
-
$465 USD
View
A
Retailer 9
-
$478 USD
View
A
Retailer 10
-
$583 USD
€555 EUR
View
A
Retailer 11
-
$597 USD
View
A
Retailer 12
-
$610 USD
ZAR 9,857 ZAR
View
A
Retailer 13
-
$617 USD
View
A
Retailer 14
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$622 USD
£490 GBP
View
B+
Retailer 15
-
$866 USD
A$1,333 AUD
View
B+
Retailer 16
-
$949 USD
SGD 1,283 SGD
View
B+
Retailer 17
-
$1,091 USD
View
B+
Retailer 18
-
$1,142 USD
View
B+
Retailer 19
-
$1,191 USD
View
B+
Retailer 20
-
$1,431 USD
£1,127 GBP
View
B
Retailer 21
-
$1,469 USD
View
Most Expensive
B
Brilliant Earth
18890759A · Oct 29
$2,430 USD
View
21 more retailers have this diamond
Prices start from $286 USDSave up to $2,144 USD

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
$286 USD