CaratHunter
Plans
Oval|Lab Grown|IGI

4.00ct J VS1 Oval Lab Grown Diamond

ID • J/VS1 • IGI LG823669148

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG823669148

Diamond specifications and retailer prices

From $2,191 NZD
$1,235 USD
As of October 29, 2026
Save $6,726 NZD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,917 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823669148 or 823669148. Listed at 13 retailers as of October 29, 2026, with prices from $2,191 to $8,917, a $6,726 spread on the same certified stone. Taylor and Hart lists it at $8,917. 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

4.00
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823669148
Dimensions12.44 × 8.80 × 5.58 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.44 mm8.80 mm4.00 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823669148
Side View
Table 53.0%Crown 36.1°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 63.4%

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: Oct 29
Current: $5,412 NZD|Low: $2,104 NZD|High: $8,917 NZD|Avg: $4,341 NZD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 29, 2026
Retailer 6$2,191 NZD
Retailer 10$2,385 NZD
Retailer 11$2,456 NZD
Retailer 2$2,516 NZD
Retailer 7$2,543 NZD
Retailer 5$2,848 NZD
Retailer 8$4,029 NZD
Retailer 9$4,766 NZD
Retailer 3$4,870 NZD
Retailer 1$5,412 NZD
Retailer 4$8,214 NZD
Taylor and Hart$8,917 NZD

21 data points across 12 retailers

13 retailers$2,191 NZD to $8,917 NZD

A
Cheapest Retailer
-
$2,191 NZD
$1,235 USD
A
Retailer 2
-
$2,385 NZD
$1,344 USD
View
A
Retailer 3
-
$2,456 NZD
$1,384 USD
View
Final sale: no returns
A
Retailer 4
-
$2,516 NZD
$1,418 USD
View
Retailer 5
-
$2,543 NZD
$1,433 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$2,543 NZD
$1,433 USD
View
A
Retailer 7
-
$2,848 NZD
$1,605 USD
View
B+
Retailer 8
-
$4,029 NZD
$2,271 USD
View
B
Retailer 9
-
$4,766 NZD
$2,686 USD
View
B
Retailer 10
-
$4,870 NZD
$2,745 USD
View
B
Retailer 11
-
$5,412 NZD
ZAR 49,280 ZAR
View
B
Retailer 12
-
$8,214 NZD
£3,645 GBP
View
Most Expensive
B
Taylor and Hart
JLJV4IG · Oct 31
$8,917 NZD
$5,026 USD
View
12 more retailers have this diamond
Prices start from $2,191 NZDSave up to $6,726 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
4.00ct Oval
$2,191 NZD