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Princess|Lab Grown|IGI

1.09ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG625405434

Shape and cutting style on the report: Princess cut

Certificate IGI LG625405434

Diamond specifications and retailer prices

From $294 USD
As of October 30, 2026
Save $1,486 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,780 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 LG625405434 or 625405434. Listed at 23 retailers as of October 30, 2026, with prices from $294 to $1,780, a $1,486 spread on the same certified stone. Brilliant Earth lists it at $1,780. 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 angle44.1°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625405434
Dimensions5.56 × 5.53 × 5.56 mm
L/W Ratio1.01
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
5.56 mm5.53 mm1.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625405434
Side View
Table 70.0%Crown 44.1°Girdle: Slightly ThickPavilion 38.8°Culet: NoneDepth 72.9%

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: $1,780 USD|Low: $291 USD|High: $2,520 USD|Avg: $903 USD|-29.4%
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
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Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 9$294 USD
Retailer 16$329 USD
Retailer 20$341 USD
Retailer 4$364 USD
Retailer 10$364 USD
Retailer 18$520 USD
Retailer 6$597 USD
Retailer 3$607 USD
Retailer 17$626 USD
Retailer 13$646 USD
Retailer 14$676 USD
Retailer 15$889 USD
Retailer 5$981 USD
Retailer 8$1,172 USD
Retailer 11$1,220 USD
Retailer 2$1,287 USD
Retailer 12$1,405 USD
Retailer 19$1,463 USD
Retailer 7$1,493 USD
Brilliant Earth$1,780 USD

37 data points across 20 retailers

23 retailers$294 USD to $1,780 USD

A
Cheapest Retailer
-
$294 USD
A
Retailer 2
-
$329 USD
View
Final sale: no returns
A
Retailer 3
-
$341 USD
View
Retailer 4
-
$357 USD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$364 USD
View
A
Retailer 6
-
$364 USD
View
A
Retailer 7
-
$520 USD
View
A
Retailer 8
-
$597 USD
View
A
Retailer 9
-
$607 USD
View
A
Retailer 10
-
$626 USD
ZAR 10,117 ZAR
View
A
Retailer 11
-
$646 USD
£508 GBP
View
A
Retailer 12
-
$658 USD
View
A
Retailer 13
-
$676 USD
€644 EUR
View
B+
Retailer 14
-
$889 USD
A$1,368 AUD
View
B+
Retailer 15
-
$981 USD
View
B+
Retailer 16
-
$1,172 USD
View
B
Retailer 17
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$1,220 USD
View
B
Retailer 18
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$1,287 USD
A$1,980 AUD
View
B
Retailer 19
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$1,364 USD
View
Retailer 20
-
$1,405 USD
View
Price last confirmed 23 days ago
B
Retailer 21
-
$1,463 USD
£1,152 GBP
View
B
Retailer 22
-
$1,493 USD
View
Most Expensive
B
Brilliant Earth
14717329A · Oct 30
$1,780 USD
View
22 more retailers have this diamond
Prices start from $294 USDSave up to $1,486 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
$294 USD