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Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG739579757

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG739579757

Diamond specifications and retailer prices

From HK$2,048 HKD
As of November 3, 2026
Save HK$14,585 HKD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$16,633 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 LG739579757 or 739579757. Listed at 24 retailers as of November 3, 2026, with prices from HK$2,048 to HK$16,633, a HK$14,585 spread on the same certified stone. Brilliant Earth lists it at HK$16,633. 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 angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739579757
Dimensions8.44 × 5.95 × 3.80 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
8.44 mm5.95 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739579757
Side View
Table 59.0%Crown 34.6°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 63.9%

Caratlytics Score

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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$16,633 HKD|Low: HK$2,032 HKD|High: HK$24,636 HKD|Avg: HK$6,712 HKD|-32.5%
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 20
Retailer 21
November 5, 2026
Retailer 11HK$2,048 HKD
Retailer 19HK$2,283 HKD
Retailer 3HK$2,377 HKD
Retailer 7HK$2,542 HKD
Retailer 14HK$2,542 HKD
Retailer 20HK$3,805 HKD
Retailer 8HK$4,229 HKD
Retailer 17HK$4,370 HKD
Retailer 6HK$4,503 HKD
Retailer 21HK$4,731 HKD
Retailer 2HK$4,802 HKD
Retailer 5HK$6,065 HKD
Retailer 15HK$6,230 HKD
Retailer 16HK$6,834 HKD
Retailer 10HK$8,160 HKD
Retailer 12HK$8,560 HKD
Retailer 18HK$9,760 HKD
Retailer 13HK$10,137 HKD
Retailer 9HK$10,890 HKD
Retailer 4HK$12,122 HKD
Brilliant EarthHK$16,633 HKD

36 data points across 21 retailers

24 retailersHK$2,048 HKD to HK$16,633 HKD

Retailer 1
-
HK$2,032 HKD
Price last confirmed 44 days ago
A
Retailer 2
-
HK$2,048 HKD
View
A
Retailer 3
-
HK$2,283 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$2,377 HKD
View
Retailer 5
-
HK$2,487 HKD
View
Price last confirmed 44 days ago
A
Retailer 6
-
HK$2,542 HKD
View
Retailer 7
-
HK$2,542 HKD
View
Price last confirmed 11 days ago
A
Retailer 8
-
HK$3,805 HKD
View
A
Retailer 9
-
HK$4,229 HKD
View
A
Retailer 10
-
HK$4,370 HKD
View
A
Retailer 11
-
HK$4,503 HKD
View
B+
Retailer 12
-
HK$4,731 HKD
View
A
Retailer 13
-
HK$4,802 HKD
View
B+
Retailer 14
-
HK$6,065 HKD
View
B+
Retailer 15
-
HK$6,230 HKD
View
B+
Retailer 16
-
HK$6,834 HKD
View
B+
Retailer 17
-
HK$8,160 HKD
View
B
Retailer 18
-
HK$8,560 HKD
View
B
Retailer 19
-
HK$9,376 HKD
View
B
Retailer 20
-
HK$9,760 HKD
View
B+
Retailer 21
-
HK$10,137 HKD
View
B
Retailer 22
-
HK$10,890 HKD
View
Retailer 23
-
HK$12,122 HKD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
16737142A · Nov 4
HK$16,633 HKD
$2,120 USD
View
23 more retailers have this diamond
Prices start from HK$2,048 HKDSave up to HK$14,585 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$2,048 HKD