Oval|Lab Grown|IGI

1.51ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG830619027

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830619027

Diamond specifications and retailer prices

From $252 USD
As of October 24, 2026
Save $1,411 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,663 USD at Helzberg Diamonds · As of October 25, 2026
View at Helzberg Diamonds

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830619027 or 830619027. Listed at 19 retailers as of October 24, 2026, with prices from $252 to $1,663, a $1,411 spread on the same certified stone. Helzberg Diamonds lists it at $1,663. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830619027
Dimensions9.27 × 6.57 × 3.88 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.27 mm6.57 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830619027
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.1%

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 24
Current: $1,663 USD|Low: $213 USD|High: $1,663 USD|Avg: $640 USD
Helzberg Diamonds
Retailer 2
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Retailer 20
October 26, 2026
Retailer 11$217 USD
Retailer 3$243 USD
Retailer 20$252 USD
Retailer 14$269 USD
Retailer 15$269 USD
Retailer 13$315 USD
Retailer 8$455 USD
Retailer 9$462 USD
Retailer 19$480 USD
Retailer 17$482 USD
Retailer 5$523 USD
Retailer 4$630 USD
Retailer 18$866 USD
Retailer 2$869 USD
Retailer 10$872 USD
Retailer 6$919 USD
Retailer 12$963 USD
Retailer 7$990 USD
Retailer 16$1,081 USD
Helzberg Diamonds$1,663 USD

5 data points across 20 retailers

19 retailers$252 USD to $1,663 USD

Retailer 1
-
$217 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$252 USD
View
A
Retailer 3
-
$269 USD
View
A
Retailer 4
-
$269 USD
View
A
Retailer 5
-
$315 USD
£248 GBP
View
Retailer 6
-
$455 USD
ZAR 7,358 ZAR
View
Price last confirmed 8 days ago
A
Retailer 7
-
$462 USD
View
A
Retailer 8
-
$480 USD
View
A
Retailer 9
-
$482 USD
£380 GBP
View
A
Retailer 10
-
$523 USD
View
Retailer 11
-
$630 USD
A$969 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$866 USD
View
B+
Retailer 13
-
$869 USD
View
B+
Retailer 14
-
$872 USD
SGD 1,179 SGD
View
B
Retailer 15
-
$919 USD
View
B+
Retailer 16
-
$963 USD
View
B+
Retailer 17
-
$990 USD
View
B
Retailer 18
-
$1,081 USD
£851 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMHPGIN · Oct 25
$1,663 USD
View
18 more retailers have this diamond
Prices start from $252 USDSave up to $1,411 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
$252 USD