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 $608 USD
As of October 30, 2026
Save $2,957 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,565 USD 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 $608 to $3,565, a $2,957 spread on the same certified stone. Rare Carat lists it at $3,565. 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: $3,565 USD|Low: $608 USD|High: $6,220 USD|Avg: $2,093 USD|-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
November 1, 2026
Retailer 15$608 USD
Retailer 7$681 USD
Retailer 12$713 USD
Retailer 17$753 USD
Retailer 19$832 USD
Retailer 16$885 USD
Retailer 18$1,086 USD
Retailer 5$1,155 USD
Retailer 13$1,180 USD
Retailer 8$1,209 USD
Retailer 3$1,562 USD
Retailer 14$1,870 USD
Retailer 4$1,982 USD
Retailer 6$2,436 USD
Retailer 10$2,570 USD
Retailer 2$3,272 USD
Rare Carat$3,565 USD
Retailer 9$4,906 USD
Retailer 11$6,220 USD

6 data points across 19 retailers

15 retailers$608 USD to $3,565 USD

A
Cheapest Retailer
-
$608 USD
A
Retailer 2
-
$681 USD
View
A
Retailer 3
-
$713 USD
£561 GBP
View
A
Retailer 4
-
$753 USD
View
A
Retailer 5
-
$832 USD
HK$6,500 HKD
View
A
Retailer 6
-
$885 USD
View
A
Retailer 7
-
$1,086 USD
View
B+
Retailer 8
-
$1,155 USD
View
B+
Retailer 9
-
$1,180 USD
£929 GBP
View
B+
Retailer 10
-
$1,562 USD
View
B+
Retailer 11
-
$1,870 USD
View
B
Retailer 12
-
$1,982 USD
View
B
Retailer 13
-
$2,436 USD
View
B
Retailer 14
-
$3,272 USD
£2,576 GBP
View
Most Expensive
B
Rare Carat
KI5952825KF529 · Oct 28
$3,565 USD
View
14 more retailers have this diamond
Prices start from $608 USDSave up to $2,957 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
4.31ct Princess
$608 USD