CaratHunter
Plans
Princess|Lab Grown|IGI

4.31ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG529282595

Shape and cutting style on the report: Princess cut

Certificate IGI LG529282595

Diamond specifications and retailer prices

From €544 EUR
$608 USD
As of October 30, 2026
Save €2,647 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,191 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.31ct lab-grown princess diamond

This 4.31ct lab-grown princess sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529282595 or 529282595. Listed at 15 retailers as of October 28, 2026, with prices from €544 to €3,191, a €2,647 spread on the same certified stone. Rare Carat lists it at €3,191. 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

4.31
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529282595
Dimensions8.92 × 8.80 × 6.33 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.92 mm8.80 mm4.31 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529282595
Side View
Table 72.0%Crown 41.7°Girdle: MediumPavilion 39.1°Culet: NoneDepth 71.9%

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: €3,191 EUR|Low: €544 EUR|High: €5,567 EUR|Avg: €1,900 EUR|-10.4%
Rare Carat
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
October 31, 2026
Retailer 14€544 EUR
Retailer 7€610 EUR
Retailer 13€640 EUR
Retailer 16€674 EUR
Retailer 19€745 EUR
Retailer 15€792 EUR
Retailer 18€972 EUR
Retailer 5€1,034 EUR
Retailer 2€1,056 EUR
Retailer 8€1,082 EUR
Retailer 3€1,398 EUR
Retailer 12€1,674 EUR
Retailer 4€1,774 EUR
Retailer 6€2,180 EUR
Retailer 10€2,301 EUR
Retailer 17€2,944 EUR
Rare Carat€3,191 EUR
Retailer 9€4,391 EUR
Retailer 11€5,567 EUR

5 data points across 19 retailers

15 retailers€544 EUR to €3,191 EUR

A
Cheapest Retailer
-
€544 EUR
$608 USD
A
Retailer 2
-
€610 EUR
$681 USD
View
A
Retailer 3
-
€640 EUR
£563 GBP
View
A
Retailer 4
-
€674 EUR
$753 USD
View
A
Retailer 5
-
€745 EUR
HK$6,500 HKD
View
A
Retailer 6
-
€792 EUR
$885 USD
View
A
Retailer 7
-
€972 EUR
$1,086 USD
View
B+
Retailer 8
-
€1,034 EUR
$1,155 USD
View
B+
Retailer 9
-
€1,056 EUR
£929 GBP
View
B+
Retailer 10
-
€1,398 EUR
$1,562 USD
View
B+
Retailer 11
-
€1,674 EUR
$1,870 USD
View
B
Retailer 12
-
€1,774 EUR
$1,982 USD
View
B
Retailer 13
-
€2,180 EUR
$2,436 USD
View
B
Retailer 14
-
€2,944 EUR
£2,590 GBP
View
Most Expensive
B
Rare Carat
KI5952825KF529 · Oct 28
€3,191 EUR
$3,565 USD
View
14 more retailers have this diamond
Prices start from €544 EURSave up to €2,647 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
4.31ct Princess
€544 EUR