Oval|Lab Grown|IGI

1.51ct F VS1 Oval Lab Grown Diamond

VG • F/VS1 • IGI LG818664328

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818664328

Diamond specifications and retailer prices

From $243 USD
As of November 1, 2026
Save $1,547 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,790 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG818664328 or 818664328. Listed at 19 retailers as of October 31, 2026, with prices from $243 to $1,790, a $1,547 spread on the same certified stone. Brilliant Earth lists it at $1,790. 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

1.51
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818664328
Dimensions8.72 × 6.21 × 4.21 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.72 mm6.21 mm1.51 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818664328
Side View
Table 60.0%Crown 35.3°Girdle: MED-THKPavilion 43.1°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,790 USD|Low: $227 USD|High: $1,880 USD|Avg: $730 USD|+13.3%
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
November 2, 2026
Retailer 10$243 USD
Retailer 8$272 USD
Retailer 5$282 USD
Retailer 18$302 USD
Retailer 19$302 USD
Retailer 16$508 USD
Retailer 4$520 USD
Retailer 12$521 USD
Retailer 2$573 USD
Retailer 17$704 USD
Retailer 13$770 USD
Retailer 15$901 USD
Retailer 6$937 USD
Retailer 3$970 USD
Retailer 9$977 USD
Retailer 7$1,022 USD
Retailer 14$1,217 USD
Retailer 11$1,228 USD
Brilliant Earth$1,790 USD

34 data points across 19 retailers

19 retailers$243 USD to $1,790 USD

A
Cheapest Retailer
-
$243 USD
A
Retailer 2
-
$272 USD
View
Final sale: no returns
A
Retailer 3
-
$282 USD
View
A
Retailer 4
-
$302 USD
View
Retailer 5
-
$302 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$508 USD
View
A
Retailer 7
-
$520 USD
View
A
Retailer 8
-
$521 USD
ZAR 8,420 ZAR
View
B+
Retailer 9
-
$573 USD
£451 GBP
View
B+
Retailer 10
-
$704 USD
A$1,083 AUD
View
B+
Retailer 11
-
$770 USD
View
B+
Retailer 12
-
$901 USD
A$1,386 AUD
View
B
Retailer 13
-
$937 USD
View
B
Retailer 14
-
$970 USD
View
B
Retailer 15
-
$977 USD
SGD 1,320 SGD
View
B
Retailer 16
-
$1,022 USD
View
B
Retailer 17
-
$1,217 USD
£958 GBP
View
B
Retailer 18
-
$1,228 USD
View
Most Expensive
C
Brilliant Earth
21492182A · Oct 31
$1,790 USD
View
18 more retailers have this diamond
Prices start from $243 USDSave up to $1,547 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 Oval
$243 USD