CaratHunter
Plans
Heart|Lab Grown|IGI

2.57ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG825661268

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825661268

Diamond specifications and retailer prices

From $940 USD
As of October 27, 2026
Save $7,190 USD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,130 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.57ct lab-grown heart diamond

This 2.57ct lab-grown heart sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825661268 or 825661268. Listed at 18 retailers as of October 27, 2026, with prices from $940 to $8,130, a $7,190 spread on the same certified stone. Brilliant Earth lists it at $8,130. 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825661268
Dimensions8.33 × 9.33 × 5.56 mm
L/W Ratio1.12
Girdle conditionFaceted
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
8.33 mm9.33 mm2.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825661268
Side View
Table 56.0%Crown 35.1°Girdle: Slightly ThickPavilion 38.7°Culet: NoneDepth 59.6%

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 27
Current: $8,130 USD|Low: $1,052 USD|High: $8,130 USD|Avg: $2,919 USD
Brilliant Earth
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
October 29, 2026
Retailer 3$1,052 USD
Retailer 10$1,109 USD
Retailer 15$1,265 USD
Retailer 2$1,674 USD
Retailer 6$1,746 USD
Retailer 12$2,216 USD
Retailer 11$2,585 USD
Retailer 4$2,698 USD
Retailer 8$2,812 USD
Retailer 13$3,238 USD
Retailer 7$3,658 USD
Retailer 9$3,716 USD
Retailer 5$3,792 USD
Retailer 14$3,925 USD
Brilliant Earth$8,130 USD

30 data points across 15 retailers

18 retailers$940 USD to $8,130 USD

A
Cheapest Retailer
-
$940 USD
A
Retailer 2
-
$1,052 USD
View
Final sale: no returns
A
Retailer 3
-
$1,090 USD
View
A
Retailer 4
-
$1,090 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$1,109 USD
£873 GBP
View
A
Retailer 6
-
$1,265 USD
View
A
Retailer 7
-
$1,674 USD
£1,318 GBP
View
A
Retailer 8
-
$1,746 USD
View
A
Retailer 9
-
$2,216 USD
View
A
Retailer 10
-
$2,585 USD
A$3,977 AUD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$2,698 USD
View
B+
Retailer 12
-
$2,812 USD
ZAR 45,426 ZAR
View
B+
Retailer 13
-
$3,238 USD
View
B+
Retailer 14
-
$3,658 USD
SGD 4,943 SGD
View
B+
Retailer 15
-
$3,716 USD
£2,926 GBP
View
B+
Retailer 16
-
$3,792 USD
View
B+
Retailer 17
-
$3,925 USD
View
Most Expensive
B
Brilliant Earth
21603034A · Oct 28
$8,130 USD
View
17 more retailers have this diamond
Prices start from $940 USDSave up to $7,190 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 Heart
$940 USD