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Round|Lab Grown|IGI

1.20ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG818644850

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644850

Diamond specifications and retailer prices

From HK$1,632 HKD
$208 USD
As of October 30, 2026
Save HK$7,373 HKD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$16,740 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644850 or 818644850. Listed at 23 retailers as of October 30, 2026, with a 452% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644850
Dimensions6.79 × 6.82 × 4.22 mm
L/W Ratio1.00
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
6.79 mm6.82 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644850
Side View
Table 55.0%Crown 34.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.0%

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: Oct 30
Current: HK$6,590 HKD|Low: HK$1,397 HKD|High: HK$8,549 HKD|Avg: HK$3,663 HKD
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
October 31, 2026
Retailer 13HK$1,459 HKD
Retailer 2HK$1,805 HKD
Retailer 4HK$2,008 HKD
Retailer 3HK$2,432 HKD
Retailer 6HK$3,048 HKD
Retailer 8HK$3,075 HKD
Retailer 9HK$3,101 HKD
Retailer 7HK$3,262 HKD
Retailer 10HK$4,406 HKD
Retailer 12HK$4,605 HKD
Retailer 5HK$5,806 HKD
Retailer 1HK$6,590 HKD
Retailer 11HK$8,459 HKD

37 data points across 13 retailers

23 retailersHK$1,632 HKD to HK$9,005 HKD

Retailer 1
-
HK$1,459 HKD
$186 USD
Price last confirmed 13 days ago
A
Retailer 2
-
HK$1,632 HKD
$208 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,687 HKD
$215 USD
View
Retailer 4
-
HK$1,805 HKD
$230 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$1,805 HKD
$230 USD
View
A
Retailer 6
-
HK$2,008 HKD
View
B+
Retailer 7
-
HK$2,432 HKD
$310 USD
View
A
Retailer 8
-
HK$3,036 HKD
$387 USD
View
A
Retailer 9
-
HK$3,048 HKD
€370 EUR
View
A
Retailer 10
-
HK$3,075 HKD
£309 GBP
View
A
Retailer 11
-
HK$3,101 HKD
ZAR 6,385 ZAR
View
B+
Retailer 12
-
HK$3,262 HKD
£327 GBP
View
B+
Retailer 13
-
HK$3,735 HKD
$476 USD
View
B+
Retailer 14
-
HK$4,406 HKD
A$864 AUD
View
B+
Retailer 15
-
HK$4,605 HKD
$587 USD
View
Retailer 16
-
HK$5,806 HKD
$740 USD
View
Price last confirmed 14 days ago
B
Retailer 17
-
HK$5,881 HKD
SGD 1,013 SGD
View
B
Retailer 18
-
HK$6,041 HKD
$770 USD
View
B
Retailer 19
-
HK$6,230 HKD
$794 USD
View
B
Retailer 20
-
HK$6,590 HKD
$840 USD
View
B
Retailer 21
-
HK$8,459 HKD
£849 GBP
View
B
Retailer 22
-
HK$9,005 HKD
$1,148 USD
View
Most Expensive
Queensmith
LG818644850 · Oct 27
HK$16,740 HKD
£1,680 GBP
View
Price under review
22 more retailers have this diamond
Prices start from HK$1,632 HKDSave up to HK$7,373 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
1.20ct Round
HK$1,632 HKD