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Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG776609259

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG776609259

Diamond specifications and retailer prices

From HK$1,687 HKD
As of November 3, 2026
Save HK$12,357 HKD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$14,044 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG776609259 or 776609259. Listed at 21 retailers as of November 3, 2026, with prices from HK$1,687 to HK$14,044, a HK$12,357 spread on the same certified stone. Brilliant Earth lists it at HK$14,044. 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 angle34.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776609259
Dimensions8.64 × 6.04 × 3.72 mm
L/W Ratio1.43
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
8.64 mm6.04 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776609259
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.6%

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 3
Current: HK$14,044 HKD|Low: HK$1,687 HKD|High: HK$17,418 HKD|Avg: HK$5,970 HKD|-19.4%
Brilliant Earth
Retailer 2
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Retailer 6
Retailer 7
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Retailer 11
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Retailer 15
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Retailer 17
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Retailer 20
Retailer 21
November 5, 2026
Retailer 3HK$1,687 HKD
Retailer 11HK$1,875 HKD
Retailer 7HK$1,954 HKD
Retailer 4HK$2,087 HKD
Retailer 18HK$3,397 HKD
Retailer 14HK$3,586 HKD
Retailer 16HK$3,609 HKD
Retailer 2HK$3,829 HKD
Retailer 9HK$4,582 HKD
Retailer 19HK$4,731 HKD
Retailer 13HK$5,108 HKD
Retailer 15HK$5,398 HKD
Retailer 10HK$5,939 HKD
Retailer 6HK$6,724 HKD
Retailer 5HK$6,794 HKD
Retailer 12HK$7,132 HKD
Retailer 8HK$8,128 HKD
Retailer 17HK$8,379 HKD
Retailer 20HK$9,760 HKD
Retailer 21HK$12,122 HKD
Brilliant EarthHK$14,044 HKD

42 data points across 21 retailers

21 retailersHK$1,687 HKD to HK$14,044 HKD

A
Cheapest Retailer
-
HK$1,687 HKD
A
Retailer 2
-
HK$1,875 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,954 HKD
View
A
Retailer 4
-
HK$2,087 HKD
View
A
Retailer 5
-
HK$3,397 HKD
View
A
Retailer 6
-
HK$3,586 HKD
View
A
Retailer 7
-
HK$3,609 HKD
View
A
Retailer 8
-
HK$3,829 HKD
View
A
Retailer 9
-
HK$4,582 HKD
View
A
Retailer 10
-
HK$4,731 HKD
View
A
Retailer 11
-
HK$5,108 HKD
View
B+
Retailer 12
-
HK$5,398 HKD
View
B+
Retailer 13
-
HK$5,939 HKD
View
B+
Retailer 14
-
HK$6,724 HKD
View
B+
Retailer 15
-
HK$6,794 HKD
View
B+
Retailer 16
-
HK$7,132 HKD
View
B+
Retailer 17
-
HK$8,128 HKD
View
B+
Retailer 18
-
HK$8,379 HKD
View
B
Retailer 19
-
HK$9,760 HKD
View
Retailer 20
-
HK$12,122 HKD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
18180993A · Nov 4
HK$14,044 HKD
$1,790 USD
View
20 more retailers have this diamond
Prices start from HK$1,687 HKDSave up to HK$12,357 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$1,687 HKD