CaratHunter
Plans
Princess|Lab Grown|IGI

2.57ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG836620519

Shape and cutting style on the report: Princess cut

Certificate IGI LG836620519

Diamond specifications and retailer prices

From $1,708 USD
As of October 30, 2026
Save $6,391 USD (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,099 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 2.57ct lab-grown princess diamond

This 2.57ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620519 or 836620519. Listed at 20 retailers as of October 30, 2026, with prices from $1,708 to $8,099, a $6,391 spread on the same certified stone. With Clarity lists it at $8,099. 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

2.57
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620519
Dimensions7.45 × 7.33 × 5.35 mm
L/W Ratio1.02
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
7.45 mm7.33 mm2.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620519
Side View
Table 65.0%Crown 44.6°Girdle: MediumPavilion 37.9°Culet: NoneDepth 73.0%

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: $2,808 USD|Low: $1,708 USD|High: $9,740 USD|Avg: $4,080 USD|-27.0%
Retailer 1
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
With Clarity
October 31, 2026
Retailer 16$1,708 USD
Retailer 14$1,858 USD
Retailer 7$1,981 USD
Retailer 10$2,119 USD
Retailer 17$2,150 USD
Retailer 1$2,808 USD
Retailer 18$2,873 USD
Retailer 15$3,111 USD
Retailer 6$3,118 USD
Retailer 12$3,507 USD
Retailer 5$3,713 USD
Retailer 2$4,100 USD
Retailer 9$4,255 USD
Retailer 11$5,111 USD
Retailer 4$5,161 USD
Retailer 13$5,687 USD
Retailer 8$6,040 USD
Retailer 3$6,949 USD
With Clarity$8,099 USD

29 data points across 19 retailers

20 retailers$1,708 USD to $8,099 USD

A
Cheapest Retailer
-
$1,708 USD
A
Retailer 2
-
$1,858 USD
View
A
Retailer 3
-
$1,981 USD
View
Retailer 4
-
$2,016 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$2,119 USD
View
Final sale: no returns
A
Retailer 6
-
$2,150 USD
View
A
Retailer 7
-
$2,808 USD
£2,211 GBP
View
A
Retailer 8
-
$2,873 USD
View
A
Retailer 9
-
$3,111 USD
View
A
Retailer 10
-
$3,118 USD
View
A
Retailer 11
-
$3,507 USD
€3,340 EUR
View
A
Retailer 12
-
$3,713 USD
View
A
Retailer 13
-
$4,100 USD
£3,228 GBP
View
A
Retailer 14
-
$4,255 USD
View
B+
Retailer 15
-
$5,111 USD
ZAR 82,561 ZAR
View
B+
Retailer 16
-
$5,161 USD
View
B+
Retailer 17
-
$5,687 USD
£4,478 GBP
View
B+
Retailer 18
-
$6,040 USD
View
B+
Retailer 19
-
$6,949 USD
View
Most Expensive
B
With Clarity
836620519 · Oct 31
$8,099 USD
View
19 more retailers have this diamond
Prices start from $1,708 USDSave up to $6,391 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
2.57ct Princess
$1,708 USD