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Heart|Lab Grown|IGI

1.48ct G SI1 Heart Lab Grown Diamond

EX • G/SI1 • IGI LG684503490

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG684503490

Diamond specifications and retailer prices

From $462 NZD
As of November 6, 2026
Save $1,831 NZD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,293 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.48ct lab-grown heart diamond

This 1.48ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG684503490 or 684503490. Listed at 17 retailers as of November 2, 2026, with prices from $462 to $2,293, a $1,831 spread on the same certified stone. MOH London lists it at $2,293. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.48
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684503490
Dimensions7.00 × 7.84 × 4.67 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
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
7.00 mm7.84 mm1.48 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684503490
Side View
Table 63.0%Crown 34.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.6%

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 6
Current: $2,293 NZD|Low: $444 NZD|High: $2,796 NZD|Avg: $1,214 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$462 NZD
Retailer 10$518 NZD
Retailer 7$572 NZD
Retailer 5$857 NZD
Retailer 8$958 NZD
Retailer 9$1,044 NZD
Retailer 2$1,077 NZD
Retailer 4$1,714 NZD
Retailer 3$1,759 NZD
MOH London$2,293 NZD

46 data points across 10 retailers

17 retailers$462 NZD to $2,293 NZD

A
Cheapest Retailer
-
$462 NZD
A
Retailer 2
-
$518 NZD
View
Final sale: no returns
A
Retailer 3
-
$536 NZD
View
A
Retailer 4
-
$572 NZD
View
Retailer 5
-
$572 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$857 NZD
View
A
Retailer 7
-
$958 NZD
View
B+
Retailer 8
-
$1,044 NZD
View
B+
Retailer 9
-
$1,052 NZD
View
B+
Retailer 10
-
$1,077 NZD
View
B+
Retailer 11
-
$1,468 NZD
View
B+
Retailer 12
-
$1,714 NZD
View
B+
Retailer 13
-
$1,714 NZD
View
B
Retailer 14
-
$1,759 NZD
View
B
Retailer 15
-
$1,840 NZD
View
B
Retailer 16
-
$1,932 NZD
View
Most Expensive
B
MOH London
LG684503490 · Nov 2
$2,293 NZD
£1,001 GBP
View
16 more retailers have this diamond
Prices start from $462 NZDSave up to $1,831 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
1.48ct Heart
$462 NZD