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Round|Lab Grown|IGI

1.48ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG778665139

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778665139

Diamond specifications and retailer prices

From $191 USD
As of November 1, 2026
Save $974 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,388 USD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.48ct lab-grown round diamond

This 1.48ct 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 LG778665139 or 778665139. Listed at 22 retailers as of November 1, 2026, with a 510% 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

1.48
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778665139
Dimensions7.28 × 7.19 × 4.54 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
7.28 mm7.19 mm1.48 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778665139
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
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: $409 USD|Low: $191 USD|High: $1,187 USD|Avg: $542 USD|-3.9%
Retailer 1
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
November 1, 2026
Retailer 12$191 USD
Retailer 3$213 USD
Retailer 7$235 USD
Retailer 4$237 USD
Retailer 9$251 USD
Retailer 15$320 USD
Retailer 16$402 USD
Retailer 1$409 USD
Retailer 6$419 USD
Retailer 17$427 USD
Retailer 18$494 USD
Retailer 19$549 USD
Retailer 8$613 USD
Retailer 11$647 USD
Retailer 5$762 USD
Retailer 2$816 USD
Retailer 10$830 USD
Retailer 13$1,109 USD
Retailer 14$1,165 USD

35 data points across 19 retailers

22 retailers$191 USD to $1,165 USD

A
Cheapest Retailer
-
$191 USD
A
Retailer 2
-
$213 USD
View
Final sale: no returns
A
Retailer 3
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$235 USD
View
A
Retailer 4
-
$237 USD
View
Retailer 5
-
$251 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$320 USD
View
A
Retailer 7
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$402 USD
£317 GBP
View
A
Retailer 8
-
$409 USD
ZAR 6,610 ZAR
View
A
Retailer 9
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$419 USD
€399 EUR
View
A
Retailer 10
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$427 USD
£336 GBP
View
A
Retailer 11
-
$494 USD
View
B+
Retailer 12
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$549 USD
View
B+
Retailer 13
-
$613 USD
A$943 AUD
View
B+
Retailer 14
-
$647 USD
View
Retailer 15
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$700 USD
View
Price last confirmed 27 days ago
Retailer 16
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$736 USD
View
Price last confirmed 46 days ago
B+
Retailer 17
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$762 USD
View
B+
Retailer 18
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$816 USD
View
B+
Retailer 19
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$830 USD
View
B
Retailer 20
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$1,109 USD
£873 GBP
View
B
Retailer 21
-
$1,165 USD
View
Most Expensive
Queensmith
LG778665139 · Oct 28
$2,388 USD
£1,880 GBP
View
Price under review
21 more retailers have this diamond
Prices start from $191 USDSave up to $974 USD

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
1.48ct Round
$191 USD