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Princess|Lab Grown|IGI

1.09ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG731589812

Shape and cutting style on the report: Princess cut

Certificate IGI LG731589812

Diamond specifications and retailer prices

From $351 USD
As of October 30, 2026
Save $1,989 USD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,340 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.09ct lab-grown princess diamond

This 1.09ct 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 LG731589812 or 731589812. Listed at 23 retailers as of October 30, 2026, with prices from $351 to $2,340, a $1,989 spread on the same certified stone. Brilliant Earth lists it at $2,340. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731589812
Dimensions5.75 × 5.64 × 3.77 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.75 mm5.64 mm1.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731589812
Side View
Table 66.0%Crown 40.4°Girdle: MED-STKPavilion 37°Culet: NoneDepth 66.8%

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: $2,340 USD|Low: $344 USD|High: $2,530 USD|Avg: $1,018 USD|-7.5%
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
October 30, 2026
Retailer 8$351 USD
Retailer 9$392 USD
Retailer 20$407 USD
Retailer 4$435 USD
Retailer 10$435 USD
Retailer 2$449 USD
Retailer 21$541 USD
Retailer 19$585 USD
Retailer 12$625 USD
Retailer 15$718 USD
Retailer 18$747 USD
Retailer 13$782 USD
Retailer 16$1,056 USD
Retailer 5$1,163 USD
Retailer 14$1,330 USD
Retailer 3$1,400 USD
Retailer 11$1,439 USD
Retailer 6$1,674 USD
Retailer 7$1,692 USD
Retailer 17$1,707 USD
Brilliant Earth$2,340 USD

34 data points across 21 retailers

23 retailers$351 USD to $2,340 USD

A
Cheapest Retailer
-
$351 USD
A
Retailer 2
-
$392 USD
View
Final sale: no returns
A
Retailer 3
-
$407 USD
View
A
Retailer 4
-
$435 USD
View
A
Retailer 5
-
$435 USD
View
A
Retailer 6
-
$449 USD
£353 GBP
View
A
Retailer 7
-
$541 USD
View
A
Retailer 8
-
$585 USD
View
A
Retailer 9
-
$625 USD
View
A
Retailer 10
-
$718 USD
€684 EUR
View
A
Retailer 11
-
$747 USD
ZAR 12,065 ZAR
View
B+
Retailer 12
-
$782 USD
£615 GBP
View
B+
Retailer 13
-
$1,056 USD
A$1,624 AUD
View
B+
Retailer 14
-
$1,163 USD
View
Retailer 15
-
$1,330 USD
A$2,046 AUD
View
Price last confirmed 25 days ago
B
Retailer 16
-
$1,397 USD
View
Retailer 17
-
$1,400 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$1,439 USD
View
B
Retailer 19
-
$1,674 USD
View
B
Retailer 20
-
$1,692 USD
£1,332 GBP
View
B
Retailer 21
-
$1,697 USD
View
B
Retailer 22
-
$1,707 USD
£1,344 GBP
View
Most Expensive
B
Brilliant Earth
15765517A · Oct 30
$2,340 USD
View
22 more retailers have this diamond
Prices start from $351 USDSave up to $1,989 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
1.09ct Princess
$351 USD