CaratHunter
Plans
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 €314 EUR
$351 USD
As of October 30, 2026
Save €1,780 EUR (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,095 EUR 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 €314 to €2,095, a €1,780 spread on the same certified stone. Brilliant Earth lists it at €2,095. 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: €2,095 EUR|Low: €308 EUR|High: €2,265 EUR|Avg: €931 EUR|-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
Retailer 22
October 31, 2026
Retailer 9€314 EUR
Retailer 10€351 EUR
Retailer 21€364 EUR
Retailer 4€389 EUR
Retailer 11€389 EUR
Retailer 13€402 EUR
Retailer 22€484 EUR
Retailer 20€524 EUR
Retailer 14€559 EUR
Retailer 16€643 EUR
Retailer 19€668 EUR
Retailer 2€700 EUR
Retailer 17€945 EUR
Retailer 5€1,041 EUR
Retailer 15€1,190 EUR
Retailer 7€1,250 EUR
Retailer 3€1,253 EUR
Retailer 12€1,288 EUR
Retailer 6€1,498 EUR
Retailer 8€1,514 EUR
Retailer 18€1,528 EUR
Brilliant Earth€2,095 EUR

35 data points across 22 retailers

23 retailers€314 EUR to €2,095 EUR

A
Cheapest Retailer
-
€314 EUR
$351 USD
A
Retailer 2
-
€351 EUR
$392 USD
View
Final sale: no returns
A
Retailer 3
-
€364 EUR
$407 USD
View
A
Retailer 4
-
€389 EUR
$435 USD
View
A
Retailer 5
-
€389 EUR
$435 USD
View
A
Retailer 6
-
€402 EUR
£353 GBP
View
A
Retailer 7
-
€484 EUR
$541 USD
View
A
Retailer 8
-
€524 EUR
$585 USD
View
A
Retailer 9
-
€559 EUR
$625 USD
View
A
Retailer 10
-
€643 EUR
View
A
Retailer 11
-
€668 EUR
ZAR 12,065 ZAR
View
B+
Retailer 12
-
€700 EUR
£615 GBP
View
B+
Retailer 13
-
€945 EUR
A$1,624 AUD
View
B+
Retailer 14
-
€1,041 EUR
$1,163 USD
View
Retailer 15
-
€1,190 EUR
A$2,046 AUD
View
Price last confirmed 27 days ago
B
Retailer 16
-
€1,250 EUR
$1,397 USD
View
Retailer 17
-
€1,253 EUR
$1,400 USD
View
Price last confirmed 14 days ago
B
Retailer 18
-
€1,288 EUR
$1,439 USD
View
B
Retailer 19
-
€1,498 EUR
$1,674 USD
View
B
Retailer 20
-
€1,514 EUR
£1,332 GBP
View
B
Retailer 21
-
€1,519 EUR
$1,697 USD
View
B
Retailer 22
-
€1,528 EUR
£1,344 GBP
View
Most Expensive
B
Brilliant Earth
15765517A · Oct 30
€2,095 EUR
$2,340 USD
View
22 more retailers have this diamond
Prices start from €314 EURSave up to €1,780 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
1.09ct Princess
€314 EUR