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Oval|Lab Grown|IGI

1.21ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG739579757

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG739579757

Diamond specifications and retailer prices

From $334 SGD
$261 USD
As of November 1, 2026
Save $2,377 SGD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,711 SGD at Brilliant Earth · As of November 3, 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 LG739579757 or 739579757. Listed at 24 retailers as of November 1, 2026, with prices from $334 to $2,711, a $2,377 spread on the same certified stone. Brilliant Earth lists it at $2,711. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739579757
Dimensions8.44 × 5.95 × 3.80 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
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
8.44 mm5.95 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739579757
Side View
Table 59.0%Crown 34.6°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 63.9%

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: $2,711 SGD|Low: $331 SGD|High: $4,016 SGD|Avg: $1,039 SGD|-32.5%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 3, 2026
Retailer 10$334 SGD
Retailer 17$372 SGD
Retailer 3$388 SGD
Retailer 6$414 SGD
Retailer 12$414 SGD
Retailer 19$620 SGD
Retailer 7$689 SGD
Retailer 14$714 SGD
Retailer 5$734 SGD
Retailer 20$772 SGD
Retailer 2$791 SGD
Retailer 4$989 SGD
Retailer 18$1,007 SGD
Retailer 13$1,114 SGD
Retailer 9$1,330 SGD
Retailer 11$1,396 SGD
Retailer 16$1,591 SGD
Retailer 15$1,658 SGD
Retailer 8$1,775 SGD
Brilliant Earth$2,711 SGD

37 data points across 20 retailers

24 retailers$334 SGD to $2,711 SGD

Retailer 1
-
$331 SGD
$259 USD
Price last confirmed 42 days ago
A
Retailer 2
-
$334 SGD
$261 USD
View
A
Retailer 3
-
$372 SGD
$291 USD
View
Final sale: no returns
A
Retailer 4
-
$388 SGD
$303 USD
View
Retailer 5
-
$405 SGD
$317 USD
View
Price last confirmed 42 days ago
A
Retailer 6
-
$414 SGD
$324 USD
View
Retailer 7
-
$414 SGD
$324 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$620 SGD
$485 USD
View
A
Retailer 9
-
$689 SGD
$539 USD
View
A
Retailer 10
-
$714 SGD
ZAR 9,014 ZAR
View
A
Retailer 11
-
$734 SGD
$574 USD
View
B+
Retailer 12
-
$772 SGD
€575 EUR
View
A
Retailer 13
-
$791 SGD
£487 GBP
View
B+
Retailer 14
-
$989 SGD
$773 USD
View
B+
Retailer 15
-
$1,007 SGD
A$1,211 AUD
View
B+
Retailer 16
-
$1,114 SGD
$871 USD
View
B+
Retailer 17
-
$1,330 SGD
$1,040 USD
View
B
Retailer 18
-
$1,396 SGD
$1,091 USD
View
B
Retailer 19
-
$1,528 SGD
$1,195 USD
View
B
Retailer 20
-
$1,591 SGD
A$1,914 AUD
View
B+
Retailer 21
-
$1,658 SGD
£1,021 GBP
View
B
Retailer 22
-
$1,775 SGD
$1,388 USD
View
Retailer 23
-
$1,976 SGD
$1,545 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
16737142A · Nov 3
$2,711 SGD
$2,120 USD
View
23 more retailers have this diamond
Prices start from $334 SGDSave up to $2,377 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
$334 SGD