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Heart|Lab Grown|IGI

1.51ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG826668003

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG826668003

Diamond specifications and retailer prices

From HK$1,685 HKD
As of November 6, 2026
Save HK$8,042 HKD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,727 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG826668003 or 826668003. Listed at 15 retailers as of November 6, 2026, with prices from HK$1,685 to HK$9,727, a HK$8,042 spread on the same certified stone. Reve Diamonds lists it at HK$9,727. 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826668003
Dimensions7.91 × 7.02 × 4.67 mm
L/W Ratio1.13
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
7.91 mm7.02 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826668003
Side View
Table 54.0%Crown 34.3°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 59.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: HK$3,825 HKD|Low: HK$1,575 HKD|High: HK$13,088 HKD|Avg: HK$4,750 HKD|+4.9%
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
Reve Diamonds
November 6, 2026
Retailer 13HK$1,685 HKD
Retailer 10HK$1,952 HKD
Retailer 6HK$2,038 HKD
Retailer 4HK$2,085 HKD
Retailer 14HK$2,210 HKD
Retailer 2HK$3,582 HKD
Retailer 12HK$3,668 HKD
Retailer 1HK$3,825 HKD
Retailer 5HK$4,264 HKD
Retailer 9HK$5,604 HKD
Retailer 11HK$6,717 HKD
Retailer 3HK$7,124 HKD
Retailer 8HK$8,347 HKD
Retailer 7HK$8,935 HKD
Reve DiamondsHK$9,727 HKD

44 data points across 15 retailers

15 retailersHK$1,685 HKD to HK$9,727 HKD

A
Cheapest Retailer
-
HK$1,685 HKD
A
Retailer 2
-
HK$1,952 HKD
View
Retailer 3
-
HK$2,038 HKD
View
Price last confirmed 13 days ago
A
Retailer 4
-
HK$2,085 HKD
View
A
Retailer 5
-
HK$2,210 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$3,582 HKD
View
B+
Retailer 7
-
HK$3,668 HKD
View
B+
Retailer 8
-
HK$3,825 HKD
View
B+
Retailer 9
-
HK$4,264 HKD
View
B+
Retailer 10
-
HK$5,604 HKD
View
B
Retailer 11
-
HK$6,717 HKD
View
B
Retailer 12
-
HK$7,124 HKD
View
B
Retailer 13
-
HK$8,347 HKD
View
B
Retailer 14
-
HK$8,935 HKD
View
Most Expensive
B
Reve Diamonds
2D5823DE9 · Nov 6
HK$9,727 HKD
$1,241 USD
View
14 more retailers have this diamond
Prices start from HK$1,685 HKDSave up to HK$8,042 HKD

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
1.51ct Heart
HK$1,685 HKD