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Heart|Lab Grown|IGI

3.00ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG529246771

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG529246771

Diamond specifications and retailer prices

From $452 USD
As of October 30, 2026
Save $3,568 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,020 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3ct lab-grown heart diamond

This 3ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529246771 or 529246771. Listed at 18 retailers as of October 30, 2026, with prices from $452 to $4,020, a $3,568 spread on the same certified stone. Do Amore Diamonds lists it at $4,020. 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

3.00
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529246771
Dimensions8.40 × 10.05 × 6.10 mm
L/W Ratio1.20
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
8.40 mm10.05 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529246771
Side View
Table 59.5%Crown 41.2°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 60.7%

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: Oct 30
Current: $2,584 USD|Low: $434 USD|High: $2,615 USD|Avg: $1,126 USD|-1.1%
Retailer 1
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
November 1, 2026
Retailer 13$452 USD
Retailer 10$507 USD
Retailer 7$561 USD
Retailer 11$561 USD
Retailer 9$705 USD
Retailer 12$713 USD
Retailer 6$833 USD
Retailer 5$857 USD
Retailer 2$875 USD
Retailer 8$1,030 USD
Retailer 15$1,508 USD
Retailer 14$1,628 USD
Retailer 3$2,210 USD
Retailer 4$2,268 USD
Retailer 1$2,584 USD

44 data points across 15 retailers

18 retailers$452 USD to $4,020 USD

A
Cheapest Retailer
-
$452 USD
A
Retailer 2
-
$507 USD
View
A
Retailer 3
-
$561 USD
View
Final sale: no returns
A
Retailer 4
-
$561 USD
View
A
Retailer 5
-
$705 USD
View
Retailer 6
-
$713 USD
£562 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$781 USD
HK$6,100 HKD
View
A
Retailer 8
-
$833 USD
View
A
Retailer 9
-
$857 USD
View
B+
Retailer 10
-
$875 USD
View
A
Retailer 11
-
$1,030 USD
£811 GBP
View
B+
Retailer 12
-
$1,508 USD
View
B+
Retailer 13
-
$1,628 USD
View
B
Retailer 14
-
$2,133 USD
View
B
Retailer 15
-
$2,210 USD
View
B
Retailer 16
-
$2,268 USD
SGD 3,065 SGD
View
B
Retailer 17
-
$2,584 USD
£2,035 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DE4E58281 · Oct 31
$4,020 USD
View
17 more retailers have this diamond
Prices start from $452 USDSave up to $3,568 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
3.00ct Heart
$452 USD