Oval|Lab Grown|IGI

1.21ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG839683856

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839683856

Diamond specifications and retailer prices

From HK$2,471 HKD
$315 USD
As of November 1, 2026
Save HK$15,903 HKD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$20,320 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG839683856 or 839683856. Listed at 24 retailers as of October 30, 2026, with a 643% 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839683856
Dimensions8.77 × 6.03 × 3.71 mm
L/W Ratio1.45
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
8.77 mm6.03 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839683856
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

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 1
Current: HK$20,320 HKD|Low: HK$2,369 HKD|High: HK$20,320 HKD|Avg: HK$7,474 HKD
Rare Carat
Retailer 2
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Retailer 24
November 2, 2026
Retailer 24HK$2,471 HKD
Retailer 21HK$2,864 HKD
Retailer 14HK$3,036 HKD
Retailer 5HK$3,060 HKD
Retailer 8HK$3,060 HKD
Retailer 6HK$3,169 HKD
Retailer 20HK$4,276 HKD
Retailer 16HK$4,613 HKD
Retailer 19HK$4,778 HKD
Retailer 10HK$4,849 HKD
Retailer 9HK$4,966 HKD
Retailer 13HK$5,281 HKD
Retailer 2HK$5,413 HKD
Retailer 12HK$6,206 HKD
Retailer 7HK$6,558 HKD
Retailer 3HK$9,846 HKD
Retailer 15HK$10,204 HKD
Retailer 22HK$10,795 HKD
Retailer 17HK$11,000 HKD
Retailer 11HK$12,239 HKD
Retailer 18HK$12,276 HKD
Retailer 4HK$12,741 HKD
Retailer 23HK$18,375 HKD
Rare CaratHK$20,320 HKD

30 data points across 24 retailers

24 retailersHK$2,471 HKD to HK$18,375 HKD

A
Cheapest Retailer
-
HK$2,471 HKD
$315 USD
A
Retailer 2
-
HK$2,864 HKD
$365 USD
View
A
Retailer 3
-
HK$3,036 HKD
$387 USD
View
Final sale: no returns
Retailer 4
-
HK$3,060 HKD
$390 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$3,060 HKD
$390 USD
View
Retailer 6
-
HK$3,169 HKD
£318 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
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HK$4,276 HKD
$545 USD
View
A
Retailer 8
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HK$4,613 HKD
$588 USD
View
A
Retailer 9
-
HK$4,778 HKD
€580 EUR
View
A
Retailer 10
-
HK$4,849 HKD
$618 USD
View
B+
Retailer 11
-
HK$4,966 HKD
$633 USD
View
B+
Retailer 12
-
HK$5,281 HKD
ZAR 10,874 ZAR
View
B+
Retailer 13
-
HK$5,413 HKD
£543 GBP
View
B+
Retailer 14
-
HK$6,206 HKD
$791 USD
View
B+
Retailer 15
-
HK$6,558 HKD
$836 USD
View
B+
Retailer 16
-
HK$9,846 HKD
$1,255 USD
View
B
Retailer 17
-
HK$10,204 HKD
$1,301 USD
View
B
Retailer 18
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HK$10,795 HKD
CA$1,911 CAD
View
B
Retailer 19
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HK$11,000 HKD
$1,402 USD
View
B
Retailer 20
-
HK$12,239 HKD
$1,560 USD
View
B+
Retailer 21
-
HK$12,276 HKD
£1,232 GBP
View
B
Retailer 22
-
HK$12,741 HKD
$1,624 USD
View
B
Retailer 23
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HK$18,375 HKD
$2,342 USD
View
Most Expensive
Rare Carat
ADR-E103381 · Oct 21
HK$20,320 HKD
$2,590 USD
View
Price last confirmed 11 days ago
23 more retailers have this diamond
Prices start from HK$2,471 HKDSave up to HK$15,903 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$2,471 HKD