CaratHunter
Plans
Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754508879

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754508879

Diamond specifications and retailer prices

From $4,569 NZD
$2,575 USD
As of October 29, 2026
Save $22,525 NZD (83%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $27,123 NZD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508879 or 754508879. Listed at 29 retailers as of October 29, 2026, with a 493% 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

4.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508879
Dimensions12.65 × 9.01 × 5.60 mm
L/W Ratio1.40
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
12.65 mm9.01 mm4.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508879
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.2%

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: $27,123 NZD|Low: $4,569 NZD|High: $28,886 NZD|Avg: $12,384 NZD|+1.6%
Novita Diamonds
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
Retailer 22
October 30, 2026
Retailer 20$4,569 NZD
Retailer 19$4,830 NZD
Retailer 16$4,862 NZD
Retailer 7$5,115 NZD
Retailer 21$6,291 NZD
Retailer 2$6,809 NZD
Retailer 22$6,812 NZD
Retailer 11$7,464 NZD
Retailer 12$8,073 NZD
Retailer 8$8,546 NZD
Retailer 5$9,572 NZD
Retailer 13$10,735 NZD
Retailer 10$10,876 NZD
Retailer 9$11,535 NZD
Retailer 6$12,198 NZD
Retailer 4$12,767 NZD
Retailer 17$13,574 NZD
Retailer 15$14,052 NZD
Retailer 3$17,602 NZD
Retailer 14$22,995 NZD
Retailer 18$27,094 NZD
Novita Diamonds$27,123 NZD

36 data points across 22 retailers

29 retailers$4,569 NZD to $27,094 NZD

Retailer 1
-
$4,198 NZD
$2,366 USD
Price last confirmed 32 days ago
Retailer 2
-
$4,567 NZD
$2,574 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
$4,569 NZD
$2,575 USD
View
Retailer 4
-
$4,803 NZD
$2,707 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
$4,830 NZD
$2,722 USD
View
A
Retailer 6
-
$4,862 NZD
$2,740 USD
View
Retailer 7
-
$4,870 NZD
$2,745 USD
View
Price last confirmed 28 days ago
Retailer 8
-
$4,870 NZD
$2,745 USD
View
Price last confirmed 20 days ago
A
Retailer 9
-
$5,115 NZD
$2,883 USD
View
Final sale: no returns
A
Retailer 10
-
$6,291 NZD
HK$27,700 HKD
View
A
Retailer 11
-
$6,809 NZD
£3,022 GBP
View
A
Retailer 12
-
$6,812 NZD
$3,839 USD
View
Retailer 13
-
$7,390 NZD
$4,165 USD
View
Price last confirmed 30 days ago
Retailer 14
-
$7,390 NZD
$4,165 USD
View
Price last confirmed 20 days ago
A
Retailer 15
-
$7,464 NZD
$4,207 USD
View
A
Retailer 16
-
$8,073 NZD
$4,550 USD
View
A
Retailer 17
-
$8,546 NZD
€4,587 EUR
View
A
Retailer 18
-
$9,572 NZD
£4,248 GBP
View
A
Retailer 19
-
$10,735 NZD
ZAR 97,746 ZAR
View
B+
Retailer 20
-
$10,876 NZD
$6,130 USD
View
Retailer 21
-
$11,535 NZD
A$10,002 AUD
View
Price last confirmed 8 days ago
B+
Retailer 22
-
$12,198 NZD
$6,875 USD
View
B+
Retailer 23
-
$12,767 NZD
$7,196 USD
View
B+
Retailer 24
-
$13,574 NZD
£6,024 GBP
View
B+
Retailer 25
-
$14,052 NZD
$7,920 USD
View
B
Retailer 26
-
$17,602 NZD
$9,921 USD
View
B
Retailer 27
-
$22,995 NZD
$12,960 USD
View
B
Retailer 28
-
$27,094 NZD
$15,270 USD
View
Most Expensive
Novita Diamonds
cert_754508879 · Oct 8
$27,123 NZD
A$23,518 AUD
View
Price last confirmed 22 days ago
28 more retailers have this diamond
Prices start from $4,569 NZDSave up to $22,525 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
$4,569 NZD