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Oval|Lab Grown|IGI

4.15ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG844602154

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844602154

Diamond specifications and retailer prices

From $4,164 NZD
$2,347 USD
As of October 29, 2026
Save $24,491 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $28,655 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.15ct lab-grown oval diamond

This 4.15ct 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 LG844602154 or 844602154. Listed at 18 retailers as of October 29, 2026, with prices from $4,164 to $28,655, a $24,491 spread on the same certified stone. Do Amore Diamonds lists it at $28,655. 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

4.15
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844602154
Dimensions12.85 × 9.08 × 5.47 mm
L/W Ratio1.42
Girdle conditionFaceted
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
12.85 mm9.08 mm4.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844602154
Side View
Table 59.0%Crown 38.9°Girdle: MED-STKPavilion 38°Culet: NoneDepth 60.2%

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: $28,655 NZD|Low: $4,092 NZD|High: $36,125 NZD|Avg: $12,531 NZD|+1.8%
Do Amore 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
November 1, 2026
Retailer 7$4,164 NZD
Retailer 13$4,442 NZD
Retailer 5$4,532 NZD
Retailer 18$4,918 NZD
Retailer 4$5,119 NZD
Retailer 19$7,330 NZD
Retailer 16$7,404 NZD
Retailer 3$7,440 NZD
Retailer 8$7,537 NZD
Retailer 15$8,669 NZD
Retailer 12$11,425 NZD
Retailer 6$13,214 NZD
Retailer 11$14,237 NZD
Retailer 2$14,277 NZD
Retailer 17$18,790 NZD
Retailer 9$20,170 NZD
Retailer 10$20,575 NZD
Retailer 14$27,796 NZD
Do Amore Diamonds$28,655 NZD

17 data points across 19 retailers

18 retailers$4,164 NZD to $28,655 NZD

A
Cheapest Retailer
-
$4,164 NZD
$2,347 USD
A
Retailer 2
-
$4,442 NZD
£1,971 GBP
View
A
Retailer 3
-
$4,532 NZD
$2,554 USD
View
A
Retailer 4
-
$4,918 NZD
$2,772 USD
View
A
Retailer 5
-
$5,119 NZD
$2,885 USD
View
A
Retailer 6
-
$7,330 NZD
$4,131 USD
View
A
Retailer 7
-
$7,404 NZD
$4,173 USD
View
A
Retailer 8
-
$7,440 NZD
$4,193 USD
View
A
Retailer 9
-
$7,537 NZD
$4,248 USD
View
A
Retailer 10
-
$8,669 NZD
€4,653 EUR
View
B+
Retailer 11
-
$11,425 NZD
A$9,906 AUD
View
B+
Retailer 12
-
$13,214 NZD
$7,447 USD
View
Retailer 13
-
$14,237 NZD
$8,024 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$14,277 NZD
£6,336 GBP
View
B+
Retailer 15
-
$18,790 NZD
$10,590 USD
View
B
Retailer 16
-
$20,170 NZD
$11,368 USD
View
B
Retailer 17
-
$27,796 NZD
A$24,101 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8ED7AF4C2 · Oct 31
$28,655 NZD
$16,150 USD
View
17 more retailers have this diamond
Prices start from $4,164 NZDSave up to $24,491 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
4.15ct Oval
$4,164 NZD