Oval|Lab Grown|IGI

4.12ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG727565053

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG727565053

Diamond specifications and retailer prices

From $6,320 NZD

$3,562 USD

As of October 31, 2026

Save $34,625 NZD (85%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $40,946 NZD at Mervis Diamond Importers · As of October 31, 2026

View at Mervis Diamond Importers

About this 4.12ct lab-grown oval diamond

This 4.12ct 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 LG727565053 or 727565053. Listed at 24 retailers as of October 31, 2026, with prices from $6,320 to $40,946, a $34,625 spread on the same certified stone. Mervis Diamond Importers lists it at $40,946. 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

4.12

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.5°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG727565053

Dimensions13.28 × 9.07 × 5.50 mm

L/W Ratio1.46

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG727565053

Side View

Caratlytics Score

How it works →

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 31

Current: $40,946 NZD|Low: $4,512 NZD|High: $40,946 NZD|Avg: $15,157 NZD

Mervis Diamond Importers

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 6$6,320 NZD

Retailer 7$6,547 NZD

Retailer 5$6,584 NZD

Retailer 17$6,822 NZD

Retailer 10$7,534 NZD

Retailer 4$9,031 NZD

Retailer 16$9,216 NZD

Retailer 13$9,582 NZD

Retailer 19$10,169 NZD

Retailer 8$11,059 NZD

Retailer 15$15,380 NZD

Retailer 2$15,481 NZD

Retailer 12$15,613 NZD

Retailer 18$16,435 NZD

Retailer 11$18,025 NZD

Retailer 9$20,822 NZD

Retailer 3$24,498 NZD

Retailer 14$31,299 NZD

Mervis Diamond Importers$40,946 NZD

42 data points across 19 retailers

24 retailers$6,320 NZD to $40,946 NZD

Retailer 1

$5,419 NZD

$3,054 USD

Price last confirmed 30 days ago

Retailer 2

$6,141 NZD

$3,461 USD

View

Price last confirmed 36 days ago

Retailer 3

$6,320 NZD

$3,562 USD

View

Final sale: no returns

Retailer 4

$6,547 NZD

$3,690 USD

View

Price last confirmed 30 days ago

Retailer 5

$6,584 NZD

$3,711 USD

View

Retailer 6

$6,822 NZD

$3,845 USD

View

Retailer 7

$7,534 NZD

$4,246 USD

View

Retailer 8

$9,031 NZD

$5,090 USD

View

Price last confirmed 25 days ago

Retailer 9

$9,216 NZD

$5,194 USD

View

Retailer 10

$9,582 NZD

£4,252 GBP

View

Retailer 11

$10,169 NZD

$5,731 USD

View

B+

Retailer 12

$11,059 NZD

£4,908 GBP

View

Retailer 13

$11,849 NZD

$6,678 USD

View

Price last confirmed 104 days ago

B+

Retailer 14

$15,380 NZD

ZAR 140,033 ZAR

View

B+

Retailer 15

$15,481 NZD

£6,870 GBP

View

B+

Retailer 16

$15,613 NZD

A$13,538 AUD

View

B+

Retailer 17

$16,435 NZD

$9,263 USD

View

B+

Retailer 18

$18,025 NZD

$10,159 USD

View

Retailer 19

$20,822 NZD

$11,735 USD

View

Retailer 20

$24,498 NZD

$13,807 USD

View

Retailer 21

$25,431 NZD

$14,333 USD

View

Retailer 22

$31,299 NZD

$17,640 USD

View

Retailer 23

$38,839 NZD

$21,890 USD

View

Most Expensive

Mervis Diamond Importers

1985409306 · Oct 31

$40,946 NZD

$23,077 USD

View

23 more retailers have this diamond

Prices start from $6,320 NZDSave up to $34,625 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.

Similar diamonds

4.12ct Oval

$6,320 NZD