Oval|Lab Grown|IGI

1.21ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG813651478

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG813651478

Diamond specifications and retailer prices

From HK$2,001 HKD
$255 USD
As of November 1, 2026
Save HK$25,381 HKD (93%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$27,381 HKD at Brilliant Earth · As of November 1, 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 LG813651478 or 813651478. Listed at 24 retailers as of November 1, 2026, with prices from HK$2,001 to HK$27,381, a HK$25,381 spread on the same certified stone. Brilliant Earth lists it at HK$27,381. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651478
Dimensions8.84 × 5.95 × 3.69 mm
L/W Ratio1.49
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
8.84 mm5.95 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651478
Side View
Table 58.0%Crown 31.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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A+
Exceptional
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$27,381 HKD|Low: HK$2,001 HKD|High: HK$27,381 HKD|Avg: HK$8,296 HKD|+0.9%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 1, 2026
Retailer 21HK$2,001 HKD
Retailer 10HK$2,244 HKD
Retailer 18HK$2,322 HKD
Retailer 11HK$2,487 HKD
Retailer 12HK$2,487 HKD
Retailer 5HK$3,319 HKD
Retailer 9HK$3,601 HKD
Retailer 17HK$3,727 HKD
Retailer 23HK$4,317 HKD
Retailer 13HK$4,713 HKD
Retailer 3HK$4,723 HKD
Retailer 2HK$4,799 HKD
Retailer 20HK$7,634 HKD
Retailer 19HK$8,568 HKD
Retailer 4HK$8,819 HKD
Retailer 14HK$10,123 HKD
Retailer 7HK$10,735 HKD
Retailer 8HK$11,050 HKD
Retailer 16HK$11,062 HKD
Retailer 6HK$17,810 HKD
Retailer 15HK$18,375 HKD
Retailer 22HK$20,203 HKD
Brilliant EarthHK$27,381 HKD

35 data points across 23 retailers

24 retailersHK$2,001 HKD to HK$27,381 HKD

A+
Cheapest Retailer
-
HK$2,001 HKD
$255 USD
A
Retailer 2
-
HK$2,244 HKD
$286 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,322 HKD
$296 USD
View
Retailer 4
-
HK$2,487 HKD
$317 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,487 HKD
$317 USD
View
A
Retailer 6
-
HK$3,319 HKD
$423 USD
View
A
Retailer 7
-
HK$3,601 HKD
$459 USD
View
A
Retailer 8
-
HK$3,727 HKD
$475 USD
View
A
Retailer 9
-
HK$4,713 HKD
ZAR 9,704 ZAR
View
A
Retailer 10
-
HK$4,723 HKD
$602 USD
View
A
Retailer 11
-
HK$4,799 HKD
£482 GBP
View
B+
Retailer 12
-
HK$7,634 HKD
$973 USD
View
B+
Retailer 13
-
HK$8,568 HKD
$1,092 USD
View
B+
Retailer 14
-
HK$8,819 HKD
$1,124 USD
View
B
Retailer 15
-
HK$10,123 HKD
$1,290 USD
View
B
Retailer 16
-
HK$10,735 HKD
$1,368 USD
View
B
Retailer 17
-
HK$11,050 HKD
£1,109 GBP
View
B
Retailer 18
-
HK$11,062 HKD
$1,410 USD
View
B
Retailer 19
-
HK$17,810 HKD
$2,270 USD
View
B
Retailer 20
-
HK$18,375 HKD
$2,342 USD
View
Retailer 21
-
HK$20,203 HKD
$2,575 USD
View
Price last confirmed 11 days ago
B
Retailer 22
-
HK$27,225 HKD
$3,470 USD
View
B
Retailer 23
-
HK$27,225 HKD
$3,470 USD
View
Most Expensive
B
Brilliant Earth
21803537A · Nov 1
HK$27,381 HKD
$3,490 USD
View
23 more retailers have this diamond
Prices start from HK$2,001 HKDSave up to HK$25,381 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$2,001 HKD