CaratHunter
Plans
Heart|Lab Grown|IGI

3.03ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG674508970

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG674508970

Diamond specifications and retailer prices

From HK$6,450 HKD
As of November 4, 2026
Save HK$3,268 HKD (34%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$20,142 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.03ct lab-grown heart diamond

This 3.03ct lab-grown heart sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG674508970 or 674508970. Listed at 15 retailers as of October 31, 2026, with a 51% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674508970
Dimensions9.07 × 10.03 × 5.68 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.07 mm10.03 mm3.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG674508970
Side View
Table 62.0%Crown 38.1°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 56.6%

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: HK$20,142 HKD|Low: HK$3,135 HKD|High: HK$20,769 HKD|Avg: HK$8,069 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 9HK$3,268 HKD
Retailer 3HK$3,660 HKD
Retailer 10HK$4,052 HKD
Retailer 6HK$5,212 HKD
Retailer 8HK$5,447 HKD
Retailer 11HK$6,411 HKD
Retailer 2HK$6,450 HKD
Retailer 4HK$6,662 HKD
Retailer 7HK$9,718 HKD
Retailer 5HK$14,954 HKD
Brilliant EarthHK$20,142 HKD

40 data points across 11 retailers

15 retailersHK$6,450 HKD to HK$9,718 HKD

Retailer 1
-
HK$3,268 HKD
Price last confirmed 8 days ago
Retailer 2
-
HK$3,660 HKD
View
Price last confirmed 10 days ago
Retailer 3
-
HK$4,052 HKD
View
Price last confirmed 13 days ago
Retailer 4
-
HK$4,052 HKD
View
Price last confirmed 9 days ago
Retailer 5
-
HK$5,212 HKD
View
Price last confirmed 7 days ago
Retailer 6
-
HK$5,447 HKD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$6,411 HKD
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$6,450 HKD
View
Retailer 9
-
HK$6,662 HKD
View
Price last confirmed 8 days ago
Retailer 10
-
HK$8,073 HKD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$9,718 HKD
View
Retailer 12
-
HK$13,018 HKD
View
Price last confirmed 9 days ago
Retailer 13
-
HK$13,284 HKD
View
Price last confirmed 9 days ago
Retailer 14
-
HK$14,954 HKD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
14085720A · Oct 30
HK$20,142 HKD
$2,570 USD
View
Price last confirmed 7 days ago
14 more retailers have this diamond
Prices start from HK$6,450 HKDSave up to HK$3,268 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
3.03ct Heart
HK$6,450 HKD