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Oval|Lab Grown|IGI

4.00ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG784623927

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784623927

Diamond specifications and retailer prices

From $4,141 NZD
£1,834 GBP
As of November 2, 2026
Save $13,214 NZD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $17,355 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784623927 or 784623927. Listed at 23 retailers as of October 31, 2026, with prices from $4,141 to $17,355, a $13,214 spread on the same certified stone. Taylor and Hart lists it at $17,355. 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
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784623927
Dimensions12.75 × 8.85 × 5.51 mm
L/W Ratio1.44
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
12.75 mm8.85 mm4.00 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784623927
Side View
Table 60.0%Crown 35.9°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 62.3%

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 2
Current: $4,141 NZD|Low: $4,141 NZD|High: $20,474 NZD|Avg: $9,366 NZD|-0.6%
Retailer 1
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
Retailer 21
Taylor and Hart
November 2, 2026
Retailer 1$4,141 NZD
Retailer 10$4,285 NZD
Retailer 6$4,664 NZD
Retailer 2$4,971 NZD
Retailer 5$5,261 NZD
Retailer 17$5,263 NZD
Retailer 21$5,328 NZD
Retailer 3$6,834 NZD
Retailer 12$6,848 NZD
Retailer 19$6,871 NZD
Retailer 11$7,474 NZD
Retailer 18$7,877 NZD
Retailer 13$7,914 NZD
Retailer 14$9,426 NZD
Retailer 20$10,583 NZD
Retailer 16$10,650 NZD
Retailer 9$13,000 NZD
Retailer 7$13,275 NZD
Retailer 15$13,311 NZD
Retailer 4$13,981 NZD
Retailer 8$17,027 NZD
Taylor and Hart$17,355 NZD

9 data points across 22 retailers

23 retailers$4,141 NZD to $17,355 NZD

A
Cheapest Retailer
-
$4,141 NZD
£1,834 GBP
A
Retailer 2
-
$4,285 NZD
$2,411 USD
View
A
Retailer 3
-
$4,664 NZD
$2,624 USD
View
A
Retailer 4
-
$4,971 NZD
$2,797 USD
View
A
Retailer 5
-
$5,261 NZD
$2,960 USD
View
A
Retailer 6
-
$5,263 NZD
$2,961 USD
View
Final sale: no returns
A
Retailer 7
-
$5,328 NZD
$2,998 USD
View
A
Retailer 8
-
$6,834 NZD
$3,845 USD
View
A
Retailer 9
-
$6,848 NZD
£3,034 GBP
View
A
Retailer 10
-
$6,871 NZD
$3,866 USD
View
B+
Retailer 11
-
$7,474 NZD
$4,205 USD
View
B+
Retailer 12
-
$7,877 NZD
€4,221 EUR
View
B+
Retailer 13
-
$7,914 NZD
$4,453 USD
View
B+
Retailer 14
-
$9,426 NZD
£4,176 GBP
View
B+
Retailer 15
-
$10,583 NZD
ZAR 96,192 ZAR
View
B+
Retailer 16
-
$10,650 NZD
A$9,219 AUD
View
B
Retailer 17
-
$12,622 NZD
$7,102 USD
View
B
Retailer 18
-
$13,000 NZD
$7,314 USD
View
B
Retailer 19
-
$13,275 NZD
$7,469 USD
View
B
Retailer 20
-
$13,311 NZD
£5,897 GBP
View
B
Retailer 21
-
$13,981 NZD
$7,867 USD
View
B
Retailer 22
-
$17,027 NZD
$9,580 USD
View
Most Expensive
B
Taylor and Hart
XO1F320 · Oct 31
$17,355 NZD
$9,765 USD
View
22 more retailers have this diamond
Prices start from $4,141 NZDSave up to $13,214 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
$4,141 NZD