CaratHunter
Plans
Pear|Lab Grown|IGI

4.31ct D FL Pear Lab Grown Diamond

ID • D/FL • IGI LG787620731

Shape and cutting style on the report: Pear brilliant

Certificate IGI LG787620731

Diamond specifications and retailer prices

From $5,687 USD
As of October 30, 2026
Save $20,292 USD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $25,979 USD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 4.31ct lab-grown pear diamond

This 4.31ct lab-grown pear sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787620731 or 787620731. Listed at 9 retailers as of October 30, 2026, with prices from $5,687 to $25,979, a $20,292 spread on the same certified stone. Blue Nile lists it at $25,979. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.31
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620731
Dimensions13.70 × 9.19 × 5.78 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
13.70 mm9.19 mm4.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620731
Side View
Table 59.0%Crown 36.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.9%

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: $25,979 USD|Low: $5,687 USD|High: $33,355 USD|Avg: $15,437 USD|+64.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$5,687 USD
Retailer 7$5,788 USD
Retailer 9$6,465 USD
Retailer 10$8,885 USD
Retailer 11$9,795 USD
Retailer 2$12,110 USD
Retailer 12$14,039 USD
Retailer 8$14,233 USD
Retailer 6$15,230 USD
Retailer 3$25,307 USD
Blue Nile$25,979 USD
Retailer 4$33,355 USD

32 data points across 12 retailers

9 retailers$5,687 USD to $25,979 USD

A
Cheapest Retailer
-
$5,687 USD
A
Retailer 2
-
$5,788 USD
View
A
Retailer 3
-
$5,818 USD
View
A
Retailer 4
-
$8,885 USD
View
A
Retailer 5
-
$9,795 USD
View
A
Retailer 6
-
$12,110 USD
€11,533 EUR
View
B+
Retailer 7
-
$14,233 USD
£11,207 GBP
View
B+
Retailer 8
-
$15,230 USD
View
Most Expensive
B
Blue Nile
29230761 · Oct 31
$25,979 USD
View
8 more retailers have this diamond
Prices start from $5,687 USDSave up to $20,292 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 Pear
$5,687 USD