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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG670428283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670428283

Diamond specifications and retailer prices

From HK$1,153 HKD
As of November 5, 2026
Save HK$6,882 HKD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$8,036 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG670428283 or 670428283. Listed at 24 retailers as of November 5, 2026, with prices from HK$1,153 to HK$8,036, a HK$6,882 spread on the same certified stone. Reve Diamonds lists it at HK$8,036. 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

1.05
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670428283
Dimensions6.58 × 6.56 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm6.56 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670428283
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 41°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
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: Nov 5
Current: HK$2,440 HKD|Low: HK$1,106 HKD|High: HK$6,763 HKD|Avg: HK$3,102 HKD|+3.7%
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
November 6, 2026
Retailer 11HK$1,153 HKD
Retailer 7HK$1,287 HKD
Retailer 13HK$1,334 HKD
Retailer 2HK$1,428 HKD
Retailer 5HK$1,946 HKD
Retailer 1HK$2,440 HKD
Retailer 10HK$2,699 HKD
Retailer 6HK$2,801 HKD
Retailer 9HK$3,099 HKD
Retailer 12HK$4,597 HKD
Retailer 4HK$4,856 HKD
Retailer 3HK$5,099 HKD
Retailer 8HK$6,661 HKD

40 data points across 13 retailers

24 retailersHK$1,153 HKD to HK$8,036 HKD

A
Cheapest Retailer
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HK$1,153 HKD
A
Retailer 2
-
HK$1,287 HKD
View
Final sale: no returns
A
Retailer 3
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HK$1,334 HKD
View
Retailer 4
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HK$1,412 HKD
View
Price last confirmed 66 days ago
Retailer 5
-
HK$1,428 HKD
View
Price last confirmed 12 days ago
A
Retailer 6
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HK$1,428 HKD
View
B+
Retailer 7
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HK$1,946 HKD
View
A
Retailer 8
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HK$2,314 HKD
View
A
Retailer 9
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HK$2,440 HKD
View
B+
Retailer 10
-
HK$2,699 HKD
View
A
Retailer 11
-
HK$2,801 HKD
View
B+
Retailer 12
-
HK$3,099 HKD
View
B+
Retailer 13
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HK$3,099 HKD
View
B+
Retailer 14
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HK$3,099 HKD
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B+
Retailer 15
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HK$3,099 HKD
View
B+
Retailer 16
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HK$3,217 HKD
View
B+
Retailer 17
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HK$3,217 HKD
View
Retailer 18
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HK$3,358 HKD
View
Price last confirmed 11 days ago
B
Retailer 19
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HK$4,597 HKD
View
B
Retailer 20
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HK$4,856 HKD
View
B
Retailer 21
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HK$5,029 HKD
View
B
Retailer 22
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HK$5,099 HKD
View
B
Retailer 23
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HK$6,661 HKD
View
Most Expensive
B
Reve Diamonds
61D252AC6 · Nov 6
HK$8,036 HKD
$1,024 USD
View
23 more retailers have this diamond
Prices start from HK$1,153 HKDSave up to HK$6,882 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
1.05ct Round
HK$1,153 HKD