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 $256 USD
As of November 6, 2026
Save $1,015 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,271 USD 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 $256 to $1,271, a $1,015 spread on the same certified stone. MOH London lists it at $1,271. 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
Color
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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Price History

Last verified: Nov 6
Current: $1,271 USD|Low: $246 USD|High: $1,550 USD|Avg: $673 USD
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$256 USD
Retailer 10$287 USD
Retailer 7$317 USD
Retailer 5$475 USD
Retailer 8$531 USD
Retailer 9$579 USD
Retailer 2$597 USD
Retailer 4$950 USD
Retailer 3$975 USD
MOH London$1,271 USD

46 data points across 10 retailers

17 retailers$256 USD to $1,271 USD

A
Cheapest Retailer
-
$256 USD
A
Retailer 2
-
$287 USD
View
Final sale: no returns
A
Retailer 3
-
$297 USD
View
A
Retailer 4
-
$317 USD
View
Retailer 5
-
$317 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$475 USD
View
A
Retailer 7
-
$531 USD
View
B+
Retailer 8
-
$579 USD
View
B+
Retailer 9
-
$583 USD
View
B+
Retailer 10
-
$597 USD
View
B+
Retailer 11
-
$814 USD
View
B+
Retailer 12
-
$950 USD
View
B+
Retailer 13
-
$950 USD
View
B
Retailer 14
-
$975 USD
View
B
Retailer 15
-
$1,020 USD
View
B
Retailer 16
-
$1,071 USD
View
Most Expensive
B
MOH London
LG684503490 · Nov 2
$1,271 USD
£1,001 GBP
View
16 more retailers have this diamond
Prices start from $256 USDSave up to $1,015 USD

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
$256 USD