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Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG770636780

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636780

Diamond specifications and retailer prices

From $785 SGD
$614 USD
As of November 1, 2026
Save $3,870 SGD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $6,331 SGD at Brilliant Earth · As of October 14, 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 LG770636780 or 770636780. Listed at 26 retailers as of October 31, 2026, with a 493% 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 angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636780
Dimensions7.46 × 7.50 × 4.48 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
7.46 mm7.50 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636780
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

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: $4,655 SGD|Low: $785 SGD|High: $6,331 SGD|Avg: $2,091 SGD|-26.5%
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
Retailer 21
Retailer 22
Retailer 23
November 1, 2026
Retailer 13$785 SGD
Retailer 23$912 SGD
Retailer 12$939 SGD
Retailer 6$973 SGD
Retailer 20$994 SGD
Retailer 4$1,130 SGD
Retailer 10$1,285 SGD
Retailer 17$1,331 SGD
Retailer 11$1,394 SGD
Retailer 21$1,394 SGD
Retailer 8$1,418 SGD
Retailer 19$1,550 SGD
Retailer 18$1,550 SGD
Retailer 7$1,578 SGD
Retailer 3$1,771 SGD
Retailer 5$2,127 SGD
Retailer 22$2,793 SGD
Retailer 16$3,280 SGD
Retailer 14$3,317 SGD
Retailer 9$3,356 SGD
Retailer 15$3,386 SGD
Retailer 2$4,098 SGD
Brilliant Earth$4,655 SGD

20 data points across 23 retailers

26 retailers$785 SGD to $4,655 SGD

A
Cheapest Retailer
-
$785 SGD
$614 USD
A
Retailer 2
-
$912 SGD
$713 USD
View
A
Retailer 3
-
$939 SGD
$734 USD
View
Final sale: no returns
Retailer 4
-
$973 SGD
$761 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$994 SGD
$777 USD
View
A
Retailer 6
-
$1,130 SGD
HK$6,900 HKD
View
A
Retailer 7
-
$1,285 SGD
$1,005 USD
View
A
Retailer 8
-
$1,331 SGD
£819 GBP
View
B+
Retailer 9
-
$1,394 SGD
$1,090 USD
View
B+
Retailer 10
-
$1,394 SGD
$1,090 USD
View
B+
Retailer 11
-
$1,418 SGD
$1,109 USD
View
B+
Retailer 12
-
$1,550 SGD
€1,154 EUR
View
B+
Retailer 13
-
$1,550 SGD
£954 GBP
View
B+
Retailer 14
-
$1,578 SGD
A$1,898 AUD
View
Retailer 15
-
$1,771 SGD
ZAR 22,372 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$2,127 SGD
$1,663 USD
View
B
Retailer 17
-
$2,261 SGD
$1,768 USD
View
B+
Retailer 18
-
$2,793 SGD
$2,184 USD
View
B
Retailer 19
-
$3,140 SGD
$2,455 USD
View
B
Retailer 20
-
$3,280 SGD
View
B
Retailer 21
-
$3,317 SGD
$2,594 USD
View
B
Retailer 22
-
$3,356 SGD
$2,624 USD
View
B
Retailer 23
-
$3,386 SGD
$2,647 USD
View
B
Retailer 24
-
$4,098 SGD
£2,523 GBP
View
B
Retailer 25
-
$4,655 SGD
$3,640 USD
View
Most Expensive
Brilliant Earth
18937699A · Oct 14
$6,331 SGD
$4,950 USD
View
Price last confirmed 19 days ago
25 more retailers have this diamond
Prices start from $785 SGDSave up to $3,870 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
$785 SGD