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Oval|Lab Grown|IGI

1.54ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG770618010

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770618010

Diamond specifications and retailer prices

From $318 SGD
$249 USD
As of October 29, 2026
Save $3,069 SGD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,388 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770618010 or 770618010. Listed at 19 retailers as of October 29, 2026, with prices from $318 to $3,388, a $3,069 spread on the same certified stone. Brilliant Earth lists it at $3,388. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770618010
Dimensions9.31 × 6.59 × 3.93 mm
L/W Ratio1.41
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
9.31 mm6.59 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770618010
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 39°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 29
Current: $3,388 SGD|Low: $318 SGD|High: $4,129 SGD|Avg: $1,262 SGD|-18.0%
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
October 30, 2026
Retailer 3$318 SGD
Retailer 6$355 SGD
Retailer 4$368 SGD
Retailer 2$461 SGD
Retailer 5$520 SGD
Retailer 18$564 SGD
Retailer 10$614 SGD
Retailer 16$715 SGD
Retailer 13$729 SGD
Retailer 12$1,011 SGD
Retailer 14$1,112 SGD
Retailer 7$1,345 SGD
Retailer 15$1,399 SGD
Retailer 8$1,571 SGD
Retailer 11$1,753 SGD
Retailer 9$3,043 SGD
Retailer 17$3,055 SGD
Brilliant Earth$3,388 SGD

29 data points across 18 retailers

19 retailers$318 SGD to $3,388 SGD

A+
Cheapest Retailer
-
$318 SGD
$249 USD
A
Retailer 2
-
$355 SGD
$278 USD
View
Final sale: no returns
A
Retailer 3
-
$368 SGD
$288 USD
View
A
Retailer 4
-
$461 SGD
£284 GBP
View
A
Retailer 5
-
$520 SGD
$407 USD
View
B+
Retailer 6
-
$564 SGD
$441 USD
View
Retailer 7
-
$614 SGD
$480 USD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$715 SGD
$559 USD
View
A
Retailer 9
-
$729 SGD
€543 EUR
View
A
Retailer 10
-
$1,011 SGD
A$1,217 AUD
View
A
Retailer 11
-
$1,112 SGD
$870 USD
View
Retailer 12
-
$1,134 SGD
$887 USD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
$1,345 SGD
$1,052 USD
View
B+
Retailer 14
-
$1,399 SGD
$1,094 USD
View
B+
Retailer 15
-
$1,571 SGD
$1,229 USD
View
B+
Retailer 16
-
$1,753 SGD
£1,080 GBP
View
Retailer 17
-
$3,043 SGD
$2,380 USD
View
Price last confirmed 13 days ago
B
Retailer 18
-
$3,055 SGD
$2,390 USD
View
Most Expensive
B
Brilliant Earth
21400496Y · Oct 31
$3,388 SGD
$2,650 USD
View
18 more retailers have this diamond
Prices start from $318 SGDSave up to $3,069 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+
1.54ct Oval
$318 SGD