CaratHunter
Plans
Round|Lab Grown|IGI

1.22ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG685511105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685511105

Diamond specifications and retailer prices

From HK$1,530 HKD
As of November 5, 2026
Save HK$7,720 HKD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$9,250 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.22ct lab-grown round diamond

This 1.22ct 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 LG685511105 or 685511105. Listed at 22 retailers as of November 5, 2026, with prices from HK$1,530 to HK$9,250, a HK$7,720 spread on the same certified stone. Reve Diamonds lists it at HK$9,250. 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

1.22
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685511105
Dimensions6.87 × 6.85 × 4.24 mm
L/W Ratio1.00
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
6.87 mm6.85 mm1.22 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685511105
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

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$3,734 HKD|Low: HK$1,522 HKD|High: HK$9,250 HKD|Avg: HK$4,106 HKD|-0.8%
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$1,530 HKD
Retailer 5HK$1,710 HKD
Retailer 16HK$1,781 HKD
Retailer 2HK$1,899 HKD
Retailer 3HK$1,899 HKD
Retailer 4HK$3,311 HKD
Retailer 11HK$3,428 HKD
Retailer 10HK$3,609 HKD
Retailer 1HK$3,734 HKD
Retailer 17HK$3,828 HKD
Retailer 9HK$3,844 HKD
Retailer 15HK$4,064 HKD
Retailer 12HK$5,099 HKD
Retailer 8HK$6,111 HKD
Retailer 13HK$6,135 HKD
Retailer 6HK$6,527 HKD
Retailer 14HK$8,881 HKD
Reve DiamondsHK$9,250 HKD

34 data points across 18 retailers

22 retailersHK$1,530 HKD to HK$9,250 HKD

A
Cheapest Retailer
-
HK$1,530 HKD
A
Retailer 2
-
HK$1,710 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,781 HKD
View
Retailer 4
-
HK$1,899 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$1,899 HKD
View
B+
Retailer 6
-
HK$3,075 HKD
View
B+
Retailer 7
-
HK$3,311 HKD
View
B+
Retailer 8
-
HK$3,428 HKD
View
B+
Retailer 9
-
HK$3,609 HKD
View
B+
Retailer 10
-
HK$3,734 HKD
View
B+
Retailer 11
-
HK$3,828 HKD
View
B+
Retailer 12
-
HK$3,844 HKD
View
B+
Retailer 13
-
HK$4,064 HKD
View
B+
Retailer 14
-
HK$5,021 HKD
View
B
Retailer 15
-
HK$5,099 HKD
View
B
Retailer 16
-
HK$5,186 HKD
View
Retailer 17
-
HK$6,064 HKD
View
Price last confirmed 46 days ago
B
Retailer 18
-
HK$6,111 HKD
View
B
Retailer 19
-
HK$6,135 HKD
View
B
Retailer 20
-
HK$6,527 HKD
View
B
Retailer 21
-
HK$8,881 HKD
View
Most Expensive
B
Reve Diamonds
7ADD410F2 · Nov 6
HK$9,250 HKD
$1,179 USD
View
21 more retailers have this diamond
Prices start from HK$1,530 HKDSave up to HK$7,720 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
1.22ct Round
HK$1,530 HKD