CaratHunter
Plans
Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG756518279

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG756518279

Diamond specifications and retailer prices

From HK$1,624 HKD
As of November 3, 2026
Save HK$13,989 HKD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$18,035 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG756518279 or 756518279. Listed at 22 retailers as of November 3, 2026, with a 861% 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

1.21
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756518279
Dimensions8.65 × 6.09 × 3.71 mm
L/W Ratio1.42
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
8.65 mm6.09 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756518279
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.9%

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 3
Current: HK$4,111 HKD|Low: HK$1,624 HKD|High: HK$16,162 HKD|Avg: HK$6,121 HKD|-5.8%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 9HK$1,624 HKD
Retailer 6HK$1,812 HKD
Retailer 19HK$1,883 HKD
Retailer 3HK$2,016 HKD
Retailer 13HK$2,016 HKD
Retailer 17HK$2,887 HKD
Retailer 11HK$3,013 HKD
Retailer 16HK$3,837 HKD
Retailer 2HK$3,923 HKD
Retailer 1HK$4,111 HKD
Retailer 21HK$4,637 HKD
Retailer 15HK$5,429 HKD
Retailer 5HK$6,496 HKD
Retailer 8HK$7,148 HKD
Retailer 14HK$8,489 HKD
Retailer 10HK$8,795 HKD
Retailer 12HK$8,881 HKD
Retailer 4HK$9,540 HKD
Retailer 20HK$12,004 HKD
Retailer 18HK$13,966 HKD
Retailer 7HK$15,613 HKD

43 data points across 21 retailers

22 retailersHK$1,624 HKD to HK$15,613 HKD

A
Cheapest Retailer
-
HK$1,624 HKD
A
Retailer 2
-
HK$1,812 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,883 HKD
View
Retailer 4
-
HK$2,016 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$2,016 HKD
View
A
Retailer 6
-
HK$2,887 HKD
View
A
Retailer 7
-
HK$3,013 HKD
View
A
Retailer 8
-
HK$3,837 HKD
View
A
Retailer 9
-
HK$3,923 HKD
View
A
Retailer 10
-
HK$4,111 HKD
View
A
Retailer 11
-
HK$4,637 HKD
View
B+
Retailer 12
-
HK$5,429 HKD
View
B+
Retailer 13
-
HK$6,496 HKD
View
B+
Retailer 14
-
HK$7,148 HKD
View
B+
Retailer 15
-
HK$8,489 HKD
View
B+
Retailer 16
-
HK$8,795 HKD
View
B+
Retailer 17
-
HK$8,881 HKD
View
B
Retailer 18
-
HK$9,540 HKD
View
Retailer 19
-
HK$12,004 HKD
View
Price last confirmed 15 days ago
B
Retailer 20
-
HK$13,966 HKD
View
B
Retailer 21
-
HK$15,613 HKD
View
Most Expensive
Queensmith
LG756518279 · Oct 27
HK$18,035 HKD
£1,810 GBP
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from HK$1,624 HKDSave up to HK$13,989 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 Oval
HK$1,624 HKD