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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 $1,629 NZD
As of November 2, 2026
Save $14,911 NZD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $16,539 NZD 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 $1,629 to $16,539, a $14,911 spread on the same certified stone. Novita Diamonds lists it at $16,539. 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

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: Nov 2
Current: $16,539 NZD|Low: $1,629 NZD|High: $16,539 NZD|Avg: $3,936 NZD
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
November 4, 2026
Retailer 8$1,629 NZD
Retailer 5$1,771 NZD
Retailer 7$1,888 NZD
Retailer 11$2,075 NZD
Retailer 18$2,183 NZD
Retailer 17$2,205 NZD
Retailer 6$2,774 NZD
Retailer 2$2,880 NZD
Retailer 15$3,005 NZD
Retailer 4$4,201 NZD
Retailer 14$4,484 NZD
Retailer 12$4,877 NZD
Retailer 9$5,311 NZD
Retailer 3$5,606 NZD
Retailer 10$6,182 NZD
Retailer 13$6,404 NZD
Retailer 16$11,628 NZD
Novita Diamonds$16,539 NZD

30 data points across 18 retailers

25 retailers$1,629 NZD to $16,539 NZD

A
Cheapest Retailer
-
$1,629 NZD
A
Retailer 2
-
$1,771 NZD
View
A
Retailer 3
-
$1,822 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,888 NZD
View
Retailer 5
-
$1,888 NZD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$2,075 NZD
View
A
Retailer 7
-
$2,183 NZD
View
A
Retailer 8
-
$2,205 NZD
View
A
Retailer 9
-
$2,774 NZD
View
A
Retailer 10
-
$2,880 NZD
View
A
Retailer 11
-
$3,005 NZD
View
A
Retailer 12
-
$4,201 NZD
View
B+
Retailer 13
-
$4,450 NZD
View
B+
Retailer 14
-
$4,484 NZD
View
B+
Retailer 15
-
$4,877 NZD
View
B+
Retailer 16
-
$5,311 NZD
View
B+
Retailer 17
-
$5,606 NZD
View
B+
Retailer 18
-
$6,182 NZD
View
B+
Retailer 19
-
$6,339 NZD
View
B+
Retailer 20
-
$6,404 NZD
View
B+
Retailer 21
-
$6,564 NZD
View
B+
Retailer 22
-
$6,796 NZD
View
Retailer 23
-
$8,376 NZD
View
Price last confirmed 8 days ago
B
Retailer 24
-
$11,628 NZD
View
Most Expensive
B
Novita Diamonds
cert_825687974 · Oct 31
$16,539 NZD
A$14,311 AUD
View
24 more retailers have this diamond
Prices start from $1,629 NZDSave up to $14,911 NZD

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
$1,629 NZD