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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 HK$7,375 HKD
$940 USD
As of October 30, 2026
Save HK$43,387 HKD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$50,762 HKD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from HK$7,375 to HK$50,762, a HK$43,387 spread on the same certified stone. Brilliant Earth lists it at HK$50,762. 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
Colour
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 30
Current: HK$50,762 HKD|Low: HK$8,254 HKD|High: HK$63,786 HKD|Avg: HK$22,865 HKD|-20.4%
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 30, 2026
Retailer 3HK$8,254 HKD
Retailer 2HK$8,674 HKD
Retailer 15HK$9,925 HKD
Retailer 8HK$13,148 HKD
Retailer 6HK$13,699 HKD
Retailer 12HK$17,386 HKD
Retailer 11HK$20,282 HKD
Retailer 4HK$21,168 HKD
Retailer 9HK$22,061 HKD
Retailer 13HK$25,404 HKD
Retailer 7HK$28,698 HKD
Retailer 10HK$29,155 HKD
Retailer 5HK$29,749 HKD
Retailer 14HK$30,794 HKD
Brilliant EarthHK$50,762 HKD

31 data points across 15 retailers

18 retailersHK$7,375 HKD to HK$50,762 HKD

A
Cheapest Retailer
-
HK$7,375 HKD
$940 USD
A
Retailer 2
-
HK$8,254 HKD
$1,052 USD
View
Final sale: no returns
A
Retailer 3
-
HK$8,552 HKD
$1,090 USD
View
Retailer 4
-
HK$8,552 HKD
$1,090 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$8,674 HKD
£871 GBP
View
A
Retailer 6
-
HK$9,925 HKD
$1,265 USD
View
A
Retailer 7
-
HK$13,148 HKD
£1,320 GBP
View
A
Retailer 8
-
HK$13,699 HKD
$1,746 USD
View
A
Retailer 9
-
HK$17,386 HKD
$2,216 USD
View
Retailer 10
-
HK$20,282 HKD
A$3,977 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
HK$21,168 HKD
$2,698 USD
View
B+
Retailer 12
-
HK$22,061 HKD
ZAR 45,426 ZAR
View
B+
Retailer 13
-
HK$25,404 HKD
$3,238 USD
View
B+
Retailer 14
-
HK$28,698 HKD
SGD 4,943 SGD
View
B+
Retailer 15
-
HK$29,155 HKD
£2,926 GBP
View
B+
Retailer 16
-
HK$29,749 HKD
$3,792 USD
View
B+
Retailer 17
-
HK$30,794 HKD
$3,925 USD
View
Most Expensive
B
Brilliant Earth
21603034A · Oct 30
HK$50,762 HKD
$6,470 USD
View
17 more retailers have this diamond
Prices start from HK$7,375 HKDSave up to HK$43,387 HKD

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
HK$7,375 HKD