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Oval|Lab Grown|IGI

4.54ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG786690084

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG786690084

Diamond specifications and retailer prices

From $1,788 NZD
$1,006 USD
As of November 1, 2026
Save $14,101 NZD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,928 NZD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 4.54ct lab-grown oval diamond

This 4.54ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786690084 or 786690084. Listed at 13 retailers as of November 1, 2026, with a 789% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.54
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786690084
Dimensions13.16 × 9.53 × 5.75 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.16 mm9.53 mm4.54 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786690084
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.3%

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: Nov 1
Current: $18,928 NZD|Low: $1,644 NZD|High: $20,510 NZD|Avg: $6,018 NZD|-7.7%
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
Retailer 20
November 1, 2026
Retailer 4$1,644 NZD
Retailer 15$1,946 NZD
Retailer 17$2,382 NZD
Retailer 7$2,405 NZD
Retailer 19$2,920 NZD
Retailer 9$3,282 NZD
Retailer 13$3,482 NZD
Retailer 5$3,498 NZD
Retailer 14$4,292 NZD
Retailer 18$4,335 NZD
Retailer 6$4,580 NZD
Retailer 12$4,881 NZD
Retailer 2$4,905 NZD
Retailer 8$5,394 NZD
Retailer 10$5,607 NZD
Retailer 3$6,410 NZD
Retailer 11$7,247 NZD
Retailer 20$12,182 NZD
Retailer 16$15,889 NZD
Brilliant Earth$18,928 NZD

7 data points across 20 retailers

13 retailers$1,788 NZD to $15,889 NZD

Retailer 1
-
$1,468 NZD
$826 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$1,788 NZD
$1,006 USD
View
A
Retailer 3
-
$1,946 NZD
$1,095 USD
View
A
Retailer 4
-
$2,382 NZD
$1,340 USD
View
A
Retailer 5
-
$2,920 NZD
$1,643 USD
View
B+
Retailer 6
-
$3,482 NZD
€1,866 EUR
View
B+
Retailer 7
-
$4,292 NZD
$2,415 USD
View
B+
Retailer 8
-
$4,335 NZD
$2,439 USD
View
B+
Retailer 9
-
$4,905 NZD
A$4,246 AUD
View
B
Retailer 10
-
$6,410 NZD
£2,840 GBP
View
B
Retailer 11
-
$12,182 NZD
$6,854 USD
View
B
Retailer 12
-
$15,889 NZD
$8,940 USD
View
Most Expensive
Brilliant Earth
19063024A · Nov 1
$18,928 NZD
$10,650 USD
View
Price under review
12 more retailers have this diamond
Prices start from $1,788 NZDSave up to $14,101 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
4.54ct Oval
$1,788 NZD