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Heart|Lab Grown|IGI

2.51ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG853638315

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG853638315

Diamond specifications and retailer prices

From $1,601 NZD
As of November 4, 2026
Save $6,724 NZD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,325 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 2.51ct lab-grown heart diamond

This 2.51ct lab-grown heart sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG853638315 or 853638315. Listed at 13 retailers as of November 3, 2026, with prices from $1,601 to $8,325, a $6,724 spread on the same certified stone. Brilliant Earth lists it at $8,325. 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
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG853638315
Dimensions8.42 × 9.27 × 5.37 mm
L/W Ratio1.10
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
8.42 mm9.27 mm2.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG853638315
Side View
Table 60.0%Crown 36.6°Girdle: STK-THKPavilion 38°Culet: NoneDepth 57.9%

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 4
Current: $1,918 NZD|Low: $1,601 NZD|High: $6,399 NZD|Avg: $3,378 NZD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 2$1,601 NZD
Retailer 1$1,918 NZD
Retailer 4$1,980 NZD
Retailer 7$2,019 NZD
Retailer 5$2,597 NZD
Retailer 10$2,674 NZD
Retailer 11$2,750 NZD
Retailer 9$3,924 NZD
Retailer 6$4,408 NZD
Retailer 3$5,456 NZD
Retailer 12$5,741 NZD
Retailer 8$6,399 NZD

5 data points across 12 retailers

13 retailers$1,601 NZD to $8,325 NZD

A
Cheapest Retailer
-
$1,601 NZD
A
Retailer 2
-
$1,918 NZD
View
A
Retailer 3
-
$1,980 NZD
View
A
Retailer 4
-
$2,019 NZD
View
A
Retailer 5
-
$2,597 NZD
View
A
Retailer 6
-
$2,674 NZD
View
A
Retailer 7
-
$2,750 NZD
View
A
Retailer 8
-
$3,924 NZD
View
A
Retailer 9
-
$4,408 NZD
View
B+
Retailer 10
-
$5,456 NZD
View
B+
Retailer 11
-
$5,741 NZD
View
B+
Retailer 12
-
$6,399 NZD
View
Most Expensive
B+
Brilliant Earth
22437121A · Nov 3
$8,325 NZD
$4,680 USD
View
12 more retailers have this diamond
Prices start from $1,601 NZDSave up to $6,724 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
$1,601 NZD