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Round|Lab Grown|IGI

1.21ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG818645105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818645105

Diamond specifications and retailer prices

From HK$1,506 HKD
$192 USD
As of October 29, 2026
Save HK$14,535 HKD (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$16,041 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818645105 or 818645105. Listed at 23 retailers as of October 27, 2026, with prices from HK$1,506 to HK$16,041, a HK$14,535 spread on the same certified stone. Queensmith lists it at HK$16,041. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818645105
Dimensions6.88 × 6.94 × 4.08 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
6.88 mm6.94 mm1.21 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818645105
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.0%

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 29
Current: HK$3,402 HKD|Low: HK$1,451 HKD|High: HK$8,857 HKD|Avg: HK$3,579 HKD|+6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11HK$1,506 HKD
Retailer 4HK$1,749 HKD
Retailer 2HK$1,875 HKD
Retailer 12HK$2,526 HKD
Retailer 6HK$3,144 HKD
Retailer 5HK$3,155 HKD
Retailer 7HK$3,214 HKD
Retailer 1HK$3,402 HKD
Retailer 3HK$3,797 HKD
Retailer 8HK$4,569 HKD
Retailer 10HK$4,793 HKD
Retailer 9HK$8,768 HKD

37 data points across 12 retailers

23 retailersHK$1,506 HKD to HK$16,041 HKD

A
Cheapest Retailer
-
HK$1,506 HKD
$192 USD
A
Retailer 2
-
HK$1,695 HKD
$216 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,749 HKD
$223 USD
View
A
Retailer 4
-
HK$1,875 HKD
$239 USD
View
A
Retailer 5
-
HK$1,875 HKD
$239 USD
View
A
Retailer 6
-
HK$2,109 HKD
View
B+
Retailer 7
-
HK$2,526 HKD
$322 USD
View
B+
Retailer 8
-
HK$3,115 HKD
$397 USD
View
A
Retailer 9
-
HK$3,144 HKD
£316 GBP
View
B+
Retailer 10
-
HK$3,155 HKD
€383 EUR
View
A
Retailer 11
-
HK$3,214 HKD
ZAR 6,619 ZAR
View
B+
Retailer 12
-
HK$3,402 HKD
£341 GBP
View
B+
Retailer 13
-
HK$3,797 HKD
$484 USD
View
B+
Retailer 14
-
HK$4,569 HKD
A$896 AUD
View
B
Retailer 15
-
HK$4,793 HKD
$611 USD
View
B
Retailer 16
-
HK$6,017 HKD
$767 USD
View
B
Retailer 17
-
HK$6,113 HKD
SGD 1,053 SGD
View
B
Retailer 18
-
HK$6,307 HKD
$804 USD
View
B
Retailer 19
-
HK$6,440 HKD
$821 USD
View
B
Retailer 20
-
HK$8,237 HKD
$1,050 USD
View
Price last confirmed 39 days ago
B
Retailer 21
-
HK$8,768 HKD
£880 GBP
View
B
Retailer 22
-
HK$9,175 HKD
$1,169 USD
View
Most Expensive
B
Queensmith
LG818645105 · Oct 27
HK$16,041 HKD
£1,610 GBP
View
22 more retailers have this diamond
Prices start from HK$1,506 HKDSave up to HK$14,535 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
1.21ct Round
HK$1,506 HKD