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Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG803681088

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG803681088

Diamond specifications and retailer prices

From HK$2,032 HKD
As of November 3, 2026
Save HK$20,250 HKD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$24,636 HKD at Brilliant Earth · As of October 25, 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 LG803681088 or 803681088. Listed at 24 retailers as of November 3, 2026, with a 997% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle29.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803681088
Dimensions7.73 × 5.39 × 3.59 mm
L/W Ratio1.43
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
7.73 mm5.39 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803681088
Side View
Table 62.0%Crown 37.5°Girdle: THN-THKPavilion 29.4°Culet: NoneDepth 66.6%

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$22,282 HKD|Low: HK$1,954 HKD|High: HK$24,636 HKD|Avg: HK$6,524 HKD|-0.7%
Brilliant Earth
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
November 5, 2026
Retailer 3HK$2,032 HKD
Retailer 4HK$2,519 HKD
Retailer 8HK$2,581 HKD
Retailer 14HK$3,766 HKD
Retailer 11HK$4,088 HKD
Retailer 5HK$4,198 HKD
Retailer 10HK$4,347 HKD
Retailer 2HK$4,762 HKD
Retailer 9HK$6,175 HKD
Retailer 13HK$7,744 HKD
Retailer 6HK$8,097 HKD
Retailer 7HK$10,066 HKD
Retailer 12HK$12,239 HKD
Brilliant EarthHK$22,282 HKD

38 data points across 14 retailers

24 retailersHK$2,032 HKD to HK$22,282 HKD

A
Cheapest Retailer
-
HK$2,032 HKD
A
Retailer 2
-
HK$2,275 HKD
View
Final sale: no returns
A
Retailer 3
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HK$2,354 HKD
View
Retailer 4
-
HK$2,519 HKD
View
Price last confirmed 20 days ago
A
Retailer 5
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HK$2,519 HKD
View
A
Retailer 6
-
HK$2,581 HKD
View
A
Retailer 7
-
HK$3,766 HKD
View
A
Retailer 8
-
HK$4,088 HKD
View
A
Retailer 9
-
HK$4,198 HKD
View
A
Retailer 10
-
HK$4,347 HKD
View
A
Retailer 11
-
HK$4,488 HKD
View
A
Retailer 12
-
HK$4,762 HKD
View
B+
Retailer 13
-
HK$6,057 HKD
View
B+
Retailer 14
-
HK$6,175 HKD
View
B+
Retailer 15
-
HK$7,744 HKD
View
B+
Retailer 16
-
HK$8,097 HKD
View
B+
Retailer 17
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HK$8,120 HKD
View
B+
Retailer 18
-
HK$8,497 HKD
View
B+
Retailer 19
-
HK$10,066 HKD
View
B
Retailer 20
-
HK$10,835 HKD
View
Retailer 21
-
HK$12,239 HKD
View
Price last confirmed 18 days ago
Retailer 22
-
HK$18,030 HKD
View
Price last confirmed 8 days ago
B
Retailer 23
-
HK$22,282 HKD
View
Most Expensive
Brilliant Earth
21656525A · Oct 25
HK$24,636 HKD
$3,140 USD
View
Price last confirmed 10 days ago
23 more retailers have this diamond
Prices start from HK$2,032 HKDSave up to HK$20,250 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$2,032 HKD