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Radiant|Lab Grown|IGI

1.54ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG687560321

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG687560321

Diamond specifications and retailer prices

From $274 SGD
$214 USD
As of October 30, 2026
Save $1,580 SGD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,854 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG687560321 or 687560321. Listed at 25 retailers as of October 30, 2026, with prices from $274 to $1,854, a $1,580 spread on the same certified stone. Brilliant Earth lists it at $1,854. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687560321
Dimensions6.79 × 6.08 × 4.23 mm
L/W Ratio1.12
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
6.79 mm6.08 mm1.54 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687560321
Side View
Table 67.0%Crown 41.7°Girdle: Slightly ThickPavilion 35.5°Culet: NoneDepth 69.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,854 SGD|Low: $263 SGD|High: $2,352 SGD|Avg: $805 SGD|-21.2%
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 31, 2026
Retailer 3$274 SGD
Retailer 2$306 SGD
Retailer 8$317 SGD
Retailer 5$339 SGD
Retailer 9$339 SGD
Retailer 12$479 SGD
Retailer 17$549 SGD
Retailer 13$583 SGD
Retailer 11$629 SGD
Retailer 10$666 SGD
Retailer 14$793 SGD
Retailer 7$1,090 SGD
Retailer 18$1,094 SGD
Retailer 6$1,154 SGD
Retailer 15$1,243 SGD
Retailer 16$1,362 SGD
Retailer 4$1,381 SGD
Brilliant Earth$1,854 SGD

45 data points across 18 retailers

25 retailers$274 SGD to $1,854 SGD

A
Cheapest Retailer
-
$274 SGD
$214 USD
A
Retailer 2
-
$306 SGD
$239 USD
View
Final sale: no returns
A
Retailer 3
-
$317 SGD
$248 USD
View
A
Retailer 4
-
$339 SGD
$265 USD
View
A
Retailer 5
-
$339 SGD
$265 USD
View
A
Retailer 6
-
$376 SGD
HK$2,300 HKD
View
B+
Retailer 7
-
$479 SGD
$375 USD
View
Retailer 8
-
$549 SGD
€409 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
$583 SGD
ZAR 7,368 ZAR
View
A
Retailer 10
-
$629 SGD
£387 GBP
View
A
Retailer 11
-
$666 SGD
$521 USD
View
B+
Retailer 12
-
$681 SGD
$533 USD
View
B+
Retailer 13
-
$793 SGD
A$954 AUD
View
B+
Retailer 14
-
$1,090 SGD
$853 USD
View
B+
Retailer 15
-
$1,094 SGD
$856 USD
View
B+
Retailer 16
-
$1,100 SGD
View
B+
Retailer 17
-
$1,154 SGD
$903 USD
View
B
Retailer 18
-
$1,159 SGD
$906 USD
View
B+
Retailer 19
-
$1,243 SGD
A$1,496 AUD
View
B
Retailer 20
-
$1,325 SGD
£816 GBP
View
B
Retailer 21
-
$1,362 SGD
£839 GBP
View
Retailer 22
-
$1,381 SGD
$1,080 USD
View
Price last confirmed 16 days ago
B
Retailer 23
-
$1,382 SGD
$1,081 USD
View
B
Retailer 24
-
$1,583 SGD
$1,239 USD
View
Most Expensive
B
Brilliant Earth
17804887A · Oct 30
$1,854 SGD
$1,450 USD
View
24 more retailers have this diamond
Prices start from $274 SGDSave up to $1,580 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 Radiant
$274 SGD