Princess|Lab Grown|IGI

5.09ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG691552997

Shape and cutting style on the report: Princess cut

Certificate IGI LG691552997

Diamond specifications and retailer prices

From €551 EUR
$616 USD
As of October 31, 2026
Save €2,761 EUR (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €3,313 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 5.09ct lab-grown princess diamond

This 5.09ct lab-grown princess sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG691552997 or 691552997. Listed at 21 retailers as of October 31, 2026, with prices from €551 to €3,313, a €2,761 spread on the same certified stone. Adiamor lists it at €3,313. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.09
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691552997
Dimensions9.37 × 9.17 × 6.80 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
9.37 mm9.17 mm5.09 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691552997
Side View
Table 66.0%Crown 43.5°Girdle: MediumPavilion 39.1°Culet: NoneDepth 74.2%

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 31
Current: €3,313 EUR|Low: €404 EUR|High: €3,317 EUR|Avg: €1,448 EUR|-0.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9€551 EUR
Retailer 6€611 EUR
Retailer 7€943 EUR
Retailer 2€944 EUR
Retailer 3€952 EUR
Retailer 8€1,000 EUR
Retailer 5€1,576 EUR
Retailer 10€1,982 EUR
Retailer 4€2,667 EUR
Adiamor€3,313 EUR

38 data points across 10 retailers

21 retailers€551 EUR to €3,313 EUR

Retailer 1
-
€473 EUR
$528 USD
Price last confirmed 29 days ago
Retailer 2
-
€507 EUR
$566 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
€551 EUR
$616 USD
View
Final sale: no returns
Retailer 4
-
€551 EUR
$616 USD
View
Price last confirmed 18 days ago
Retailer 5
-
€567 EUR
$634 USD
View
Price last confirmed 38 days ago
Retailer 6
-
€611 EUR
$683 USD
View
Price last confirmed 15 days ago
Retailer 7
-
€611 EUR
$683 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
€611 EUR
$683 USD
View
Retailer 9
-
€611 EUR
$683 USD
View
Price last confirmed 14 days ago
Retailer 10
-
€620 EUR
$693 USD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
€943 EUR
$1,053 USD
View
A
Retailer 12
-
€944 EUR
$1,055 USD
View
A
Retailer 13
-
€952 EUR
£838 GBP
View
A
Retailer 14
-
€1,000 EUR
$1,117 USD
View
B+
Retailer 15
-
€1,576 EUR
$1,761 USD
View
B+
Retailer 16
-
€1,607 EUR
$1,795 USD
View
Retailer 17
-
€1,607 EUR
$1,795 USD
View
Price last confirmed 15 days ago
B+
Retailer 18
-
€1,607 EUR
$1,795 USD
View
B
Retailer 19
-
€1,982 EUR
$2,215 USD
View
B
Retailer 20
-
€2,667 EUR
£2,346 GBP
View
Most Expensive
B
Adiamor
D-73391610 · Oct 31
€3,313 EUR
$3,701 USD
View
20 more retailers have this diamond
Prices start from €551 EURSave up to €2,761 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
5.09ct Princess
€551 EUR