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Oval|Lab Grown|IGI

1.20ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG510184235

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG510184235

Diamond specifications and retailer prices

From $861 USD
As of October 29, 2026
Save $314 USD (27%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,836 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 1.2ct lab-grown oval diamond

This 1.2ct lab-grown oval sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG510184235 or 510184235. Listed at 15 retailers as of October 29, 2026, with a 36% 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

1.20
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510184235
Dimensions8.71 × 5.80 × 3.75 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.71 mm5.80 mm1.20 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510184235
Side View
Table 59.5%Crown 37.1°Girdle: THN-MEDPavilion 41.3°Culet: NoneDepth 64.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,836 USD|Low: $636 USD|High: $3,795 USD|Avg: $1,846 USD|+1.9%
Cape Diamonds
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
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Retailer 17
October 31, 2026
Retailer 8$636 USD
Retailer 13$861 USD
Retailer 3$937 USD
Retailer 4$963 USD
Retailer 15$999 USD
Retailer 14$1,120 USD
Retailer 10$1,175 USD
Retailer 7$1,526 USD
Retailer 16$1,606 USD
Cape Diamonds$1,836 USD
Retailer 12$2,296 USD
Retailer 2$2,603 USD
Retailer 5$2,758 USD
Retailer 17$2,809 USD
Retailer 9$2,860 USD
Retailer 6$3,019 USD
Retailer 11$3,749 USD

29 data points across 17 retailers

15 retailers$861 USD to $1,175 USD

B
Cheapest Retailer
-
$861 USD
B
Retailer 2
-
$937 USD
View
B
Retailer 3
-
$963 USD
View
Final sale: no returns
B
Retailer 4
-
$999 USD
View
Retailer 5
-
$999 USD
View
Price last confirmed 14 days ago
B
Retailer 6
-
$1,120 USD
View
B
Retailer 7
-
$1,175 USD
View
Retailer 8
-
$1,606 USD
View
Price under review
Most Expensive
Cape Diamonds
cert_510184235 · Oct 29
$1,836 USD
ZAR 29,665 ZAR
View
Price under review
8 more retailers have this diamond
Prices start from $861 USDSave up to $314 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.

B
1.20ct Oval
$861 USD