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Oval|Lab Grown|IGI

4.91ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG750559534

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG750559534

Diamond specifications and retailer prices

From $1,462 NZD
$824 USD
As of November 1, 2026
Save $11,675 NZD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $20,387 NZD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 4.91ct lab-grown oval diamond

This 4.91ct 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 LG750559534 or 750559534. Listed at 18 retailers as of October 31, 2026, with a 799% 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

4.91
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750559534
Dimensions13.78 × 9.62 × 5.75 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.78 mm9.62 mm4.91 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750559534
Side View
Table 63.0%Crown 34.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $20,387 NZD|Low: $1,462 NZD|High: $21,061 NZD|Avg: $6,067 NZD|-3.2%
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
November 1, 2026
Retailer 18$1,462 NZD
Retailer 16$1,592 NZD
Retailer 11$1,907 NZD
Retailer 10$2,040 NZD
Retailer 5$2,387 NZD
Retailer 14$2,392 NZD
Retailer 15$2,843 NZD
Retailer 3$3,900 NZD
Retailer 2$4,012 NZD
Retailer 4$4,021 NZD
Retailer 6$4,562 NZD
Retailer 7$5,266 NZD
Retailer 13$6,386 NZD
Retailer 9$7,371 NZD
Retailer 8$8,898 NZD
Retailer 17$12,988 NZD
Retailer 12$13,137 NZD
Brilliant Earth$20,387 NZD

36 data points across 18 retailers

18 retailers$1,462 NZD to $13,137 NZD

A
Cheapest Retailer
-
$1,462 NZD
$824 USD
A
Retailer 2
-
$1,592 NZD
$897 USD
View
A
Retailer 3
-
$1,907 NZD
$1,075 USD
View
A
Retailer 4
-
$2,040 NZD
$1,150 USD
View
Final sale: no returns
Retailer 5
-
$2,387 NZD
$1,345 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$2,392 NZD
$1,348 USD
View
A
Retailer 7
-
$2,843 NZD
€1,526 EUR
View
B+
Retailer 8
-
$3,900 NZD
$2,198 USD
View
B+
Retailer 9
-
$4,012 NZD
A$3,479 AUD
View
Retailer 10
-
$4,021 NZD
$2,266 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$4,562 NZD
$2,571 USD
View
B+
Retailer 12
-
$5,266 NZD
$2,968 USD
View
B+
Retailer 13
-
$6,386 NZD
£2,834 GBP
View
Retailer 14
-
$7,371 NZD
A$6,391 AUD
View
Price last confirmed 27 days ago
B
Retailer 15
-
$8,898 NZD
$5,015 USD
View
B
Retailer 16
-
$12,988 NZD
$7,320 USD
View
B
Retailer 17
-
$13,137 NZD
$7,404 USD
View
Most Expensive
Brilliant Earth
19656320A · Nov 1
$20,387 NZD
$11,490 USD
View
Price under review
17 more retailers have this diamond
Prices start from $1,462 NZDSave up to $11,675 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
4.91ct Oval
$1,462 NZD