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Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG727578306

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG727578306

Diamond specifications and retailer prices

From $4,213 NZD
£1,870 GBP
As of October 30, 2026
Save $21,858 NZD (84%) vs most expensive(unlock to see where)
26 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 LG727578306 or 727578306. Listed at 26 retailers as of October 30, 2026, with a 519% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727578306
Dimensions12.68 × 9.00 × 5.58 mm
L/W Ratio1.41
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
12.68 mm9.00 mm4.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727578306
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $27,123 NZD|Low: $4,213 NZD|High: $27,174 NZD|Avg: $9,502 NZD|-0.2%
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
Retailer 23
Retailer 24
October 30, 2026
Retailer 13$4,213 NZD
Retailer 19$4,347 NZD
Retailer 11$4,730 NZD
Retailer 2$4,869 NZD
Retailer 24$5,043 NZD
Retailer 23$5,259 NZD
Retailer 21$5,332 NZD
Retailer 3$6,177 NZD
Retailer 18$6,809 NZD
Retailer 7$6,932 NZD
Retailer 16$7,889 NZD
Retailer 17$8,073 NZD
Retailer 14$8,546 NZD
Retailer 5$8,971 NZD
Retailer 10$9,572 NZD
Retailer 20$10,735 NZD
Retailer 15$11,535 NZD
Retailer 12$13,465 NZD
Retailer 22$13,574 NZD
Retailer 8$14,168 NZD
Retailer 6$17,602 NZD
Retailer 9$17,853 NZD
Retailer 4$26,072 NZD
Novita Diamonds$27,123 NZD

26 data points across 24 retailers

26 retailers$4,213 NZD to $26,072 NZD

A+
Cheapest Retailer
-
$4,213 NZD
£1,870 GBP
A
Retailer 2
-
$4,347 NZD
$2,450 USD
View
A
Retailer 3
-
$4,730 NZD
$2,666 USD
View
A
Retailer 4
-
$4,869 NZD
$2,744 USD
View
Final sale: no returns
A
Retailer 5
-
$5,043 NZD
$2,842 USD
View
A
Retailer 6
-
$5,259 NZD
$2,964 USD
View
A
Retailer 7
-
$5,332 NZD
$3,005 USD
View
A
Retailer 8
-
$6,177 NZD
HK$27,200 HKD
View
A
Retailer 9
-
$6,809 NZD
£3,022 GBP
View
A
Retailer 10
-
$6,932 NZD
$3,907 USD
View
A
Retailer 11
-
$7,889 NZD
$4,446 USD
View
A
Retailer 12
-
$8,073 NZD
$4,550 USD
View
A
Retailer 13
-
$8,546 NZD
€4,587 EUR
View
A
Retailer 14
-
$8,971 NZD
$5,056 USD
View
A
Retailer 15
-
$9,572 NZD
£4,248 GBP
View
A
Retailer 16
-
$10,735 NZD
ZAR 97,746 ZAR
View
Retailer 17
-
$11,535 NZD
A$10,002 AUD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$13,465 NZD
$7,589 USD
View
B+
Retailer 19
-
$13,574 NZD
£6,024 GBP
View
B+
Retailer 20
-
$14,052 NZD
$7,920 USD
View
B+
Retailer 21
-
$14,168 NZD
$7,985 USD
View
B
Retailer 22
-
$17,602 NZD
$9,921 USD
View
B
Retailer 23
-
$17,853 NZD
SGD 13,597 SGD
View
B
Retailer 24
-
$23,172 NZD
$13,060 USD
View
B
Retailer 25
-
$26,072 NZD
$14,694 USD
View
Most Expensive
Novita Diamonds
cert_727578306 · Oct 8
$27,123 NZD
A$23,518 AUD
View
Price last confirmed 22 days ago
25 more retailers have this diamond
Prices start from $4,213 NZDSave up to $21,858 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
$4,213 NZD