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Oval|Lab Grown|IGI

1.51ct E VVS1 Oval Lab Grown Diamond

EX • E/VVS1 • IGI LG759507528

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG759507528

Diamond specifications and retailer prices

From $449 NZD
$252 USD
As of October 29, 2026
Save $3,224 NZD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,861 NZD at Brilliant Earth · As of September 24, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG759507528 or 759507528. Listed at 25 retailers as of October 29, 2026, with a 719% 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
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759507528
Dimensions6.49 × 6.49 × 4.02 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
6.49 mm6.49 mm1.51 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759507528
Side View
Table 60.0%Crown 33.1°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 61.9%

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 29
Current: $1,059 NZD|Low: $427 NZD|High: $2,423 NZD|Avg: $1,221 NZD|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
Retailer 17
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Retailer 21
Retailer 22
October 29, 2026
Retailer 10$449 NZD
Retailer 12$500 NZD
Retailer 20$522 NZD
Retailer 5$557 NZD
Retailer 13$557 NZD
Retailer 16$593 NZD
Retailer 18$846 NZD
Retailer 6$933 NZD
Retailer 17$958 NZD
Retailer 22$996 NZD
Retailer 4$1,026 NZD
Retailer 1$1,059 NZD
Retailer 2$1,107 NZD
Retailer 21$1,109 NZD
Retailer 19$1,299 NZD
Retailer 8$1,480 NZD
Retailer 9$1,791 NZD
Retailer 11$1,883 NZD
Retailer 15$2,131 NZD
Retailer 3$2,245 NZD
Retailer 14$2,253 NZD
Retailer 7$2,423 NZD

32 data points across 22 retailers

25 retailers$449 NZD to $3,673 NZD

A
Cheapest Retailer
-
$449 NZD
$252 USD
A
Retailer 2
-
$500 NZD
$281 USD
View
Final sale: no returns
A
Retailer 3
-
$522 NZD
$293 USD
View
A
Retailer 4
-
$557 NZD
$313 USD
View
A
Retailer 5
-
$557 NZD
$313 USD
View
A
Retailer 6
-
$593 NZD
£262 GBP
View
A
Retailer 7
-
$846 NZD
$475 USD
View
A
Retailer 8
-
$933 NZD
$524 USD
View
A
Retailer 9
-
$958 NZD
ZAR 8,689 ZAR
View
A
Retailer 10
-
$1,026 NZD
$576 USD
View
A
Retailer 11
-
$1,059 NZD
£468 GBP
View
B+
Retailer 12
-
$1,107 NZD
$622 USD
View
B+
Retailer 13
-
$1,109 NZD
A$958 AUD
View
B+
Retailer 14
-
$1,299 NZD
A$1,122 AUD
View
B+
Retailer 15
-
$1,480 NZD
$831 USD
View
B+
Retailer 16
-
$1,791 NZD
$1,006 USD
View
B+
Retailer 17
-
$1,805 NZD
$1,014 USD
View
B
Retailer 18
-
$1,883 NZD
$1,058 USD
View
B
Retailer 19
-
$2,131 NZD
$1,197 USD
View
B
Retailer 20
-
$2,174 NZD
$1,221 USD
View
Retailer 21
-
$2,245 NZD
£993 GBP
View
Price last confirmed 10 days ago
Retailer 22
-
$2,253 NZD
A$1,947 AUD
View
Price last confirmed 21 days ago
B
Retailer 23
-
$2,423 NZD
$1,361 USD
View
B
Retailer 24
-
$3,673 NZD
$2,063 USD
View
Most Expensive
Brilliant Earth
17863808A · Sep 24
$4,861 NZD
$2,730 USD
View
Price last confirmed 35 days ago
24 more retailers have this diamond
Prices start from $449 NZDSave up to $3,224 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.

A
1.51ct Oval
$449 NZD