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Round|Lab Grown|IGI

1.45ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG781618358

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618358

Diamond specifications and retailer prices

From $279 SGD
$218 USD
As of October 29, 2026
Save $1,323 SGD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,117 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781618358 or 781618358. Listed at 23 retailers as of October 29, 2026, with a 475% 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

1.45
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618358
Dimensions7.21 × 7.24 × 4.49 mm
L/W Ratio1.00
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
7.21 mm7.24 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618358
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 41°Culet: NoneDepth 62.1%

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: Oct 29
Current: $590 SGD|Low: $268 SGD|High: $1,404 SGD|Avg: $640 SGD|-0.1%
Retailer 1
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
October 30, 2026
Retailer 17$279 SGD
Retailer 11$312 SGD
Retailer 7$323 SGD
Retailer 4$346 SGD
Retailer 9$346 SGD
Retailer 3$467 SGD
Retailer 1$590 SGD
Retailer 13$595 SGD
Retailer 12$631 SGD
Retailer 10$642 SGD
Retailer 6$667 SGD
Retailer 5$692 SGD
Retailer 14$847 SGD
Retailer 2$901 SGD
Retailer 16$908 SGD
Retailer 8$1,113 SGD
Retailer 15$1,390 SGD

44 data points across 17 retailers

23 retailers$279 SGD to $1,601 SGD

A
Cheapest Retailer
-
$279 SGD
$218 USD
A
Retailer 2
-
$312 SGD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$323 SGD
$253 USD
View
A
Retailer 4
-
$346 SGD
$271 USD
View
A
Retailer 5
-
$346 SGD
$271 USD
View
A
Retailer 6
-
$393 SGD
HK$2,400 HKD
View
B+
Retailer 7
-
$467 SGD
$365 USD
View
A
Retailer 8
-
$590 SGD
£363 GBP
View
A
Retailer 9
-
$595 SGD
ZAR 7,518 ZAR
View
A
Retailer 10
-
$631 SGD
€470 EUR
View
A
Retailer 11
-
$642 SGD
£395 GBP
View
B+
Retailer 12
-
$667 SGD
$522 USD
View
B+
Retailer 13
-
$692 SGD
$541 USD
View
B+
Retailer 14
-
$847 SGD
A$1,019 AUD
View
B+
Retailer 15
-
$892 SGD
$698 USD
View
Retailer 16
-
$901 SGD
$705 USD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$908 SGD
$710 USD
View
B
Retailer 18
-
$1,113 SGD
$871 USD
View
B
Retailer 19
-
$1,122 SGD
View
B
Retailer 20
-
$1,181 SGD
$924 USD
View
B
Retailer 21
-
$1,390 SGD
£856 GBP
View
B
Retailer 22
-
$1,601 SGD
$1,253 USD
View
Most Expensive
Queensmith
LG781618358 · Oct 27
$3,117 SGD
£1,920 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $279 SGDSave up to $1,323 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
1.45ct Round
$279 SGD