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Oval|Lab Grown|IGI

1.21ct F FL Oval Lab Grown Diamond

ID • F/FL • IGI LG816615886

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816615886

Diamond specifications and retailer prices

From $295 SGD
As of November 3, 2026
Save $2,171 SGD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,837 SGD at Rare Carat · As of October 11, 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 F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615886 or 816615886. Listed at 20 retailers as of November 3, 2026, with a 735% 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
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615886
Dimensions8.31 × 5.94 × 3.83 mm
L/W Ratio1.40
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
8.31 mm5.94 mm1.21 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615886
Side View
Table 56.0%Crown 33.8°Girdle: Slightly ThickPavilion 41.3°Culet: NoneDepth 64.5%

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 3
Current: $1,949 SGD|Low: $295 SGD|High: $3,514 SGD|Avg: $1,071 SGD|-31.3%
Rare Carat
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 4, 2026
Retailer 13$295 SGD
Retailer 18$330 SGD
Retailer 16$342 SGD
Retailer 4$365 SGD
Retailer 9$372 SGD
Retailer 2$621 SGD
Retailer 7$627 SGD
Retailer 6$642 SGD
Retailer 12$682 SGD
Retailer 15$1,025 SGD
Retailer 14$1,176 SGD
Retailer 17$1,180 SGD
Retailer 11$1,218 SGD
Retailer 19$1,242 SGD
Retailer 10$1,312 SGD
Retailer 3$1,421 SGD
Retailer 5$1,491 SGD
Rare Carat$1,949 SGD
Retailer 8$2,466 SGD

32 data points across 19 retailers

20 retailers$295 SGD to $2,466 SGD

A
Cheapest Retailer
-
$295 SGD
A
Retailer 2
-
$330 SGD
View
Final sale: no returns
A
Retailer 3
-
$342 SGD
View
A
Retailer 4
-
$365 SGD
View
Retailer 5
-
$372 SGD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$621 SGD
View
A
Retailer 7
-
$627 SGD
View
A
Retailer 8
-
$642 SGD
View
A
Retailer 9
-
$682 SGD
View
B+
Retailer 10
-
$1,025 SGD
View
B+
Retailer 11
-
$1,176 SGD
View
B+
Retailer 12
-
$1,180 SGD
View
B+
Retailer 13
-
$1,218 SGD
View
B+
Retailer 14
-
$1,242 SGD
View
B+
Retailer 15
-
$1,312 SGD
View
B+
Retailer 16
-
$1,421 SGD
View
B+
Retailer 17
-
$1,491 SGD
View
B
Retailer 18
-
$1,949 SGD
View
B
Retailer 19
-
$2,466 SGD
View
Most Expensive
Rare Carat
PD8866158JJ816 · Oct 11
$2,837 SGD
$2,220 USD
View
Price last confirmed 24 days ago
19 more retailers have this diamond
Prices start from $295 SGDSave up to $2,171 SGD

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
$295 SGD