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 $616 USD
As of November 1, 2026
Save $3,085 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,701 USD 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 $616 to $3,701, a $3,085 spread on the same certified stone. Adiamor lists it at $3,701. 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: Nov 1
Current: $3,701 USD|Low: $616 USD|High: $3,706 USD|Avg: $1,620 USD|-0.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9$616 USD
Retailer 6$683 USD
Retailer 7$1,053 USD
Retailer 4$1,055 USD
Retailer 3$1,064 USD
Retailer 8$1,117 USD
Retailer 5$1,761 USD
Retailer 10$2,215 USD
Retailer 2$2,963 USD
Adiamor$3,701 USD

38 data points across 10 retailers

21 retailers$616 USD to $3,701 USD

Retailer 1
-
$528 USD
Price last confirmed 30 days ago
Retailer 2
-
$566 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
$616 USD
View
Final sale: no returns
Retailer 4
-
$616 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$634 USD
View
Price last confirmed 39 days ago
Retailer 6
-
$683 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$683 USD
View
Price last confirmed 29 days ago
Retailer 8
-
$683 USD
View
Price last confirmed 7 days ago
Retailer 9
-
$683 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$693 USD
View
Price last confirmed 39 days ago
B+
Retailer 11
-
$1,053 USD
View
A
Retailer 12
-
$1,055 USD
View
A
Retailer 13
-
$1,064 USD
£838 GBP
View
A
Retailer 14
-
$1,117 USD
View
B+
Retailer 15
-
$1,761 USD
View
B+
Retailer 16
-
$1,795 USD
View
Retailer 17
-
$1,795 USD
View
Price last confirmed 16 days ago
Retailer 18
-
$1,795 USD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$2,215 USD
View
B
Retailer 20
-
$2,963 USD
£2,333 GBP
View
Most Expensive
B
Adiamor
D-73391610 · Oct 31
$3,701 USD
View
20 more retailers have this diamond
Prices start from $616 USDSave up to $3,085 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
5.09ct Princess
$616 USD