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Oval|Lab Grown|IGI

1.21ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG815698121

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815698121

Diamond specifications and retailer prices

From HK$1,875 HKD
$239 USD
As of November 1, 2026
Save HK$20,014 HKD (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$21,890 HKD at Brilliant Earth · As of October 31, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815698121 or 815698121. Listed at 21 retailers as of October 31, 2026, with prices from HK$1,875 to HK$21,890, a HK$20,014 spread on the same certified stone. Brilliant Earth lists it at HK$21,890. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815698121
Dimensions8.92 × 6.05 × 3.56 mm
L/W Ratio1.47
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
8.92 mm6.05 mm1.21 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815698121
Side View
Table 61.0%Crown 34.2°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 58.8%

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 1
Current: HK$21,890 HKD|Low: HK$1,875 HKD|High: HK$27,146 HKD|Avg: HK$6,646 HKD|-19.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 8
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Retailer 11
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Retailer 13
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Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 6HK$1,875 HKD
Retailer 8HK$2,087 HKD
Retailer 19HK$2,173 HKD
Retailer 12HK$2,322 HKD
Retailer 18HK$2,322 HKD
Retailer 13HK$2,391 HKD
Retailer 4HK$3,915 HKD
Retailer 16HK$3,979 HKD
Retailer 2HK$4,009 HKD
Retailer 21HK$4,197 HKD
Retailer 15HK$4,395 HKD
Retailer 7HK$6,002 HKD
Retailer 11HK$7,461 HKD
Retailer 5HK$7,493 HKD
Retailer 10HK$7,757 HKD
Retailer 9HK$7,873 HKD
Retailer 3HK$8,411 HKD
Retailer 20HK$9,087 HKD
Retailer 17HK$9,356 HKD
Retailer 14HK$20,281 HKD
Brilliant EarthHK$21,890 HKD

27 data points across 21 retailers

21 retailersHK$1,875 HKD to HK$21,890 HKD

A
Cheapest Retailer
-
HK$1,875 HKD
$239 USD
A
Retailer 2
-
HK$2,087 HKD
$266 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,173 HKD
$277 USD
View
Retailer 4
-
HK$2,322 HKD
$296 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,322 HKD
$296 USD
View
A
Retailer 6
-
HK$2,391 HKD
£240 GBP
View
A
Retailer 7
-
HK$3,915 HKD
$499 USD
View
A
Retailer 8
-
HK$3,979 HKD
€483 EUR
View
A
Retailer 9
-
HK$4,009 HKD
ZAR 8,255 ZAR
View
A
Retailer 10
-
HK$4,197 HKD
$535 USD
View
A
Retailer 11
-
HK$4,395 HKD
£441 GBP
View
B+
Retailer 12
-
HK$6,002 HKD
$765 USD
View
B+
Retailer 13
-
HK$7,461 HKD
$951 USD
View
B+
Retailer 14
-
HK$7,493 HKD
$955 USD
View
B+
Retailer 15
-
HK$7,757 HKD
SGD 1,336 SGD
View
B+
Retailer 16
-
HK$7,873 HKD
$1,003 USD
View
B+
Retailer 17
-
HK$8,411 HKD
$1,072 USD
View
B+
Retailer 18
-
HK$9,087 HKD
£912 GBP
View
B+
Retailer 19
-
HK$9,356 HKD
£939 GBP
View
Retailer 20
-
HK$20,281 HKD
$2,585 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21422536A · Oct 31
HK$21,890 HKD
$2,790 USD
View
20 more retailers have this diamond
Prices start from HK$1,875 HKDSave up to HK$20,014 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$1,875 HKD