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Heart|Lab Grown|IGI

2.51ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG825687974

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825687974

Diamond specifications and retailer prices

From $1,312 AUD
As of November 2, 2026
Save $12,008 AUD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $13,320 AUD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 2.51ct lab-grown heart diamond

This 2.51ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825687974 or 825687974. Listed at 25 retailers as of October 31, 2026, with prices from $1,312 to $13,320, a $12,008 spread on the same certified stone. Novita Diamonds lists it at $13,320. 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

2.51
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825687974
Dimensions9.41 × 8.50 × 5.53 mm
L/W Ratio1.11
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
9.41 mm8.50 mm2.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825687974
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 58.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $13,320 AUD|Low: $1,312 AUD|High: $13,320 AUD|Avg: $3,170 AUD
Novita Diamonds
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 3, 2026
Retailer 8$1,312 AUD
Retailer 5$1,426 AUD
Retailer 7$1,521 AUD
Retailer 2$1,671 AUD
Retailer 19$1,758 AUD
Retailer 18$1,776 AUD
Retailer 6$2,234 AUD
Retailer 13$2,343 AUD
Retailer 16$2,420 AUD
Retailer 4$3,384 AUD
Retailer 11$3,584 AUD
Retailer 15$3,611 AUD
Retailer 12$3,928 AUD
Retailer 9$4,277 AUD
Retailer 3$4,515 AUD
Retailer 10$4,979 AUD
Retailer 14$5,158 AUD
Retailer 17$9,365 AUD
Novita Diamonds$13,320 AUD

29 data points across 19 retailers

25 retailers$1,312 AUD to $13,320 AUD

A
Cheapest Retailer
-
$1,312 AUD
A
Retailer 2
-
$1,426 AUD
View
A
Retailer 3
-
$1,468 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,521 AUD
View
Retailer 5
-
$1,521 AUD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$1,671 AUD
View
A
Retailer 7
-
$1,758 AUD
View
A
Retailer 8
-
$1,776 AUD
View
A
Retailer 9
-
$2,234 AUD
View
A
Retailer 10
-
$2,343 AUD
View
A
Retailer 11
-
$2,420 AUD
View
A
Retailer 12
-
$3,384 AUD
View
B+
Retailer 13
-
$3,584 AUD
View
B+
Retailer 14
-
$3,611 AUD
View
B+
Retailer 15
-
$3,928 AUD
View
B+
Retailer 16
-
$4,277 AUD
View
B+
Retailer 17
-
$4,515 AUD
View
B+
Retailer 18
-
$4,979 AUD
View
B+
Retailer 19
-
$5,105 AUD
View
B+
Retailer 20
-
$5,158 AUD
View
B+
Retailer 21
-
$5,287 AUD
View
B+
Retailer 22
-
$5,473 AUD
View
Retailer 23
-
$6,746 AUD
View
Price last confirmed 8 days ago
B
Retailer 24
-
$9,365 AUD
View
Most Expensive
B
Novita Diamonds
cert_825687974 · Oct 31
$13,320 AUD
View
24 more retailers have this diamond
Prices start from $1,312 AUDSave up to $12,008 AUD

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
2.51ct Heart
$1,312 AUD