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Oval|Lab Grown|IGI

3.89ct F IF Oval Lab Grown Diamond

GD • F/IF • IGI LG728538815

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG728538815

Diamond specifications and retailer prices

From $2,330 NZD
$1,313 USD
As of November 1, 2026
Save $7,500 NZD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,830 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.89ct lab-grown oval diamond

This 3.89ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG728538815 or 728538815. Listed at 21 retailers as of November 1, 2026, with prices from $2,330 to $9,830, a $7,500 spread on the same certified stone. Rare Carat lists it at $9,830. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.89
Carat
F
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728538815
Dimensions12.48 × 8.92 × 5.56 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
12.48 mm8.92 mm3.89 ctF / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728538815
Side View
Table 60.0%Crown 36°Girdle: STK-THKPavilion 40.2°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 1
Current: $9,830 NZD|Low: $1,998 NZD|High: $9,927 NZD|Avg: $4,927 NZD|-1.0%
Rare Carat
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
November 2, 2026
Retailer 6$1,998 NZD
Retailer 7$2,330 NZD
Retailer 5$2,415 NZD
Retailer 19$2,415 NZD
Retailer 13$2,657 NZD
Retailer 17$2,724 NZD
Retailer 3$2,919 NZD
Retailer 14$3,502 NZD
Retailer 2$3,831 NZD
Retailer 8$4,524 NZD
Retailer 20$4,757 NZD
Retailer 16$5,452 NZD
Retailer 18$5,605 NZD
Retailer 12$6,652 NZD
Retailer 4$6,796 NZD
Retailer 11$6,989 NZD
Retailer 9$7,626 NZD
Retailer 15$7,756 NZD
Retailer 10$8,454 NZD
Rare Carat$9,830 NZD

33 data points across 20 retailers

21 retailers$2,330 NZD to $9,830 NZD

Retailer 1
-
$1,998 NZD
$1,126 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$2,330 NZD
$1,313 USD
View
Final sale: no returns
Retailer 3
-
$2,411 NZD
$1,359 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$2,415 NZD
$1,361 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$2,415 NZD
$1,361 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$2,657 NZD
£1,179 GBP
View
A
Retailer 7
-
$2,724 NZD
$1,535 USD
View
A
Retailer 8
-
$2,919 NZD
$1,645 USD
View
A
Retailer 9
-
$3,502 NZD
£1,554 GBP
View
B+
Retailer 10
-
$3,831 NZD
$2,159 USD
View
Retailer 11
-
$4,524 NZD
$2,550 USD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
$4,757 NZD
$2,681 USD
View
B+
Retailer 13
-
$5,452 NZD
A$4,727 AUD
View
B+
Retailer 14
-
$5,605 NZD
ZAR 51,037 ZAR
View
B+
Retailer 15
-
$6,652 NZD
£2,952 GBP
View
B+
Retailer 16
-
$6,796 NZD
$3,830 USD
View
B+
Retailer 17
-
$6,989 NZD
$3,939 USD
View
B
Retailer 18
-
$7,626 NZD
$4,298 USD
View
B
Retailer 19
-
$7,756 NZD
£3,442 GBP
View
B
Retailer 20
-
$8,454 NZD
$4,765 USD
View
Most Expensive
B
Rare Carat
SS19231_l_728538815 · Nov 1
$9,830 NZD
$5,540 USD
View
20 more retailers have this diamond
Prices start from $2,330 NZDSave up to $7,500 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
3.89ct Oval
$2,330 NZD