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Round|Lab Grown|IGI

1.51ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG783642400

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783642400

Diamond specifications and retailer prices

From $237 USD
As of November 1, 2026
Save $1,076 USD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,560 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783642400 or 783642400. Listed at 24 retailers as of November 1, 2026, with a 454% 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

1.51
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783642400
Dimensions7.42 × 7.44 × 4.47 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
7.42 mm7.44 mm1.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783642400
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.1%

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: $1,560 USD|Low: $235 USD|High: $1,560 USD|Avg: $700 USD
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
November 2, 2026
Retailer 9$237 USD
Retailer 16$265 USD
Retailer 18$275 USD
Retailer 4$294 USD
Retailer 5$294 USD
Retailer 6$497 USD
Retailer 3$546 USD
Retailer 11$554 USD
Retailer 12$556 USD
Retailer 15$584 USD
Retailer 2$785 USD
Retailer 17$915 USD
Retailer 10$946 USD
Retailer 8$999 USD
Retailer 13$1,180 USD
Retailer 14$1,198 USD
Retailer 7$1,313 USD
Brilliant Earth$1,560 USD

44 data points across 18 retailers

24 retailers$237 USD to $1,313 USD

Retailer 1
-
$235 USD
Price last confirmed 41 days ago
A
Retailer 2
-
$237 USD
View
A
Retailer 3
-
$265 USD
View
Final sale: no returns
A
Retailer 4
-
$275 USD
View
Retailer 5
-
$288 USD
View
Price last confirmed 42 days ago
Retailer 6
-
$294 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$294 USD
View
A
Retailer 8
-
$460 USD
View
A
Retailer 9
-
$497 USD
View
B+
Retailer 10
-
$546 USD
View
B+
Retailer 11
-
$554 USD
€528 EUR
View
B+
Retailer 12
-
$556 USD
£437 GBP
View
B+
Retailer 13
-
$584 USD
A$898 AUD
View
B+
Retailer 14
-
$785 USD
View
Retailer 15
-
$799 USD
View
Price last confirmed 91 days ago
B+
Retailer 16
-
$915 USD
A$1,408 AUD
View
Retailer 17
-
$938 USD
View
Price last confirmed 43 days ago
B
Retailer 18
-
$946 USD
View
B
Retailer 19
-
$999 USD
View
B
Retailer 20
-
$1,117 USD
View
B
Retailer 21
-
$1,180 USD
£929 GBP
View
B
Retailer 22
-
$1,198 USD
View
B
Retailer 23
-
$1,313 USD
View
Most Expensive
Brilliant Earth
20258182A · Oct 16
$1,560 USD
View
Price last confirmed 17 days ago
23 more retailers have this diamond
Prices start from $237 USDSave up to $1,076 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
1.51ct Round
$237 USD