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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 $1,527 NZD
As of November 3, 2026
Save $557 NZD (27%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,258 NZD 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 November 3, 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
Colour
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

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $3,258 NZD|Low: $1,126 NZD|High: $6,731 NZD|Avg: $3,294 NZD|+2.3%
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 8$1,126 NZD
Retailer 13$1,527 NZD
Retailer 3$1,662 NZD
Retailer 4$1,708 NZD
Retailer 15$1,772 NZD
Retailer 14$1,987 NZD
Retailer 11$2,084 NZD
Retailer 7$2,707 NZD
Retailer 16$2,849 NZD
Cape Diamonds$3,258 NZD
Retailer 12$4,073 NZD
Retailer 10$4,616 NZD
Retailer 5$4,893 NZD
Retailer 17$4,983 NZD
Retailer 9$5,074 NZD
Retailer 6$5,354 NZD
Retailer 2$6,640 NZD

26 data points across 17 retailers

15 retailers$1,527 NZD to $2,084 NZD

B
Cheapest Retailer
-
$1,527 NZD
B
Retailer 2
-
$1,662 NZD
View
B
Retailer 3
-
$1,708 NZD
View
Final sale: no returns
B
Retailer 4
-
$1,772 NZD
View
Retailer 5
-
$1,772 NZD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$1,987 NZD
View
B
Retailer 7
-
$2,084 NZD
View
Retailer 8
-
$2,849 NZD
View
Price under review
Most Expensive
Cape Diamonds
cert_510184235 · Oct 29
$3,258 NZD
ZAR 29,665 ZAR
View
Price under review
8 more retailers have this diamond
Prices start from $1,527 NZDSave up to $557 NZD

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
$1,527 NZD