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Round|Lab Grown|IGI

1.03ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG811623859

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811623859

Diamond specifications and retailer prices

From HK$1,271 HKD
As of November 5, 2026
Save HK$7,130 HKD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$8,401 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811623859 or 811623859. Listed at 22 retailers as of November 5, 2026, with prices from HK$1,271 to HK$8,401, a HK$7,130 spread on the same certified stone. Reve Diamonds lists it at HK$8,401. 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

1.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811623859
Dimensions6.48 × 6.43 × 4.04 mm
L/W Ratio1.01
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
6.48 mm6.43 mm1.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811623859
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.6%

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 5
Current: HK$2,832 HKD|Low: HK$1,255 HKD|High: HK$8,401 HKD|Avg: HK$3,430 HKD|+2.3%
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
Retailer 16
Retailer 17
Reve Diamonds
November 6, 2026
Retailer 7HK$1,271 HKD
Retailer 2HK$1,420 HKD
Retailer 15HK$1,467 HKD
Retailer 3HK$1,569 HKD
Retailer 5HK$1,569 HKD
Retailer 16HK$2,259 HKD
Retailer 12HK$2,510 HKD
Retailer 10HK$2,738 HKD
Retailer 1HK$2,832 HKD
Retailer 4HK$2,840 HKD
Retailer 17HK$3,475 HKD
Retailer 9HK$3,656 HKD
Retailer 13HK$4,127 HKD
Retailer 11HK$4,629 HKD
Retailer 8HK$5,052 HKD
Retailer 6HK$5,476 HKD
Retailer 14HK$7,335 HKD
Reve DiamondsHK$8,401 HKD

45 data points across 18 retailers

22 retailersHK$1,271 HKD to HK$8,401 HKD

Retailer 1
-
HK$1,255 HKD
Price last confirmed 45 days ago
A
Retailer 2
-
HK$1,271 HKD
View
A
Retailer 3
-
HK$1,420 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$1,467 HKD
View
Retailer 5
-
HK$1,467 HKD
View
Price last confirmed 66 days ago
Retailer 6
-
HK$1,538 HKD
View
Price last confirmed 45 days ago
Retailer 7
-
HK$1,569 HKD
View
Price last confirmed 12 days ago
A
Retailer 8
-
HK$1,569 HKD
View
A
Retailer 9
-
HK$2,259 HKD
View
A
Retailer 10
-
HK$2,510 HKD
View
B+
Retailer 11
-
HK$2,738 HKD
View
B+
Retailer 12
-
HK$2,832 HKD
View
B+
Retailer 13
-
HK$2,840 HKD
View
B+
Retailer 14
-
HK$3,475 HKD
View
B
Retailer 15
-
HK$3,656 HKD
View
B
Retailer 16
-
HK$4,127 HKD
View
B
Retailer 17
-
HK$4,629 HKD
View
Retailer 18
-
HK$5,013 HKD
View
Price last confirmed 46 days ago
B
Retailer 19
-
HK$5,052 HKD
View
B
Retailer 20
-
HK$5,476 HKD
View
B
Retailer 21
-
HK$7,335 HKD
View
Most Expensive
B
Reve Diamonds
DFF352A92 · Nov 6
HK$8,401 HKD
$1,071 USD
View
21 more retailers have this diamond
Prices start from HK$1,271 HKDSave up to HK$7,130 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
1.03ct Round
HK$1,271 HKD