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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG781617081

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781617081

Diamond specifications and retailer prices

From $559 SGD
$437 USD
As of November 1, 2026
Save $2,651 SGD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,156 SGD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG781617081 or 781617081. Listed at 26 retailers as of November 1, 2026, with a 474% 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

1.54
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781617081
Dimensions7.29 × 7.36 × 4.58 mm
L/W Ratio1.01
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
7.29 mm7.36 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781617081
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
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: $3,210 SGD|Low: $559 SGD|High: $4,169 SGD|Avg: $1,507 SGD|-23.0%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 3, 2026
Retailer 3$559 SGD
Retailer 22$627 SGD
Retailer 19$648 SGD
Retailer 7$693 SGD
Retailer 8$693 SGD
Retailer 21$753 SGD
Retailer 20$876 SGD
Retailer 9$931 SGD
Retailer 13$1,086 SGD
Retailer 6$1,096 SGD
Retailer 2$1,142 SGD
Retailer 16$1,196 SGD
Retailer 15$1,220 SGD
Retailer 5$1,325 SGD
Retailer 18$1,576 SGD
Retailer 11$2,201 SGD
Retailer 4$2,229 SGD
Retailer 14$2,271 SGD
Retailer 10$2,494 SGD
Retailer 17$2,547 SGD
Retailer 12$2,595 SGD
Brilliant Earth$3,210 SGD

37 data points across 22 retailers

26 retailers$559 SGD to $3,210 SGD

A+
Cheapest Retailer
-
$559 SGD
$437 USD
A
Retailer 2
-
$627 SGD
$490 USD
View
A
Retailer 3
-
$648 SGD
$507 USD
View
Final sale: no returns
A
Retailer 4
-
$693 SGD
$542 USD
View
Retailer 5
-
$693 SGD
$542 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$753 SGD
HK$4,600 HKD
View
A
Retailer 7
-
$876 SGD
$685 USD
View
A
Retailer 8
-
$931 SGD
$728 USD
View
A
Retailer 9
-
$1,086 SGD
€809 EUR
View
A
Retailer 10
-
$1,096 SGD
$857 USD
View
A
Retailer 11
-
$1,142 SGD
£703 GBP
View
A
Retailer 12
-
$1,196 SGD
ZAR 15,102 ZAR
View
A
Retailer 13
-
$1,220 SGD
A$1,468 AUD
View
A
Retailer 14
-
$1,325 SGD
$1,036 USD
View
B+
Retailer 15
-
$1,576 SGD
$1,232 USD
View
Retailer 16
-
$1,955 SGD
$1,529 USD
View
Price last confirmed 47 days ago
B+
Retailer 17
-
$2,201 SGD
View
B
Retailer 18
-
$2,229 SGD
$1,743 USD
View
B+
Retailer 19
-
$2,271 SGD
$1,776 USD
View
B+
Retailer 20
-
$2,315 SGD
$1,810 USD
View
B+
Retailer 21
-
$2,426 SGD
$1,897 USD
View
B+
Retailer 22
-
$2,494 SGD
$1,950 USD
View
B+
Retailer 23
-
$2,547 SGD
£1,568 GBP
View
B+
Retailer 24
-
$2,595 SGD
$2,029 USD
View
B
Retailer 25
-
$3,210 SGD
$2,510 USD
View
Most Expensive
Brilliant Earth
18904911A · Oct 16
$4,156 SGD
$3,250 USD
View
Price last confirmed 17 days ago
25 more retailers have this diamond
Prices start from $559 SGDSave up to $2,651 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 Round
$559 SGD