Oval|Lab Grown|IGI

4.18ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG692544251

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG692544251

Diamond specifications and retailer prices

From $5,912 NZD

$3,332 USD

As of October 29, 2026

Save $39,226 NZD (87%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $45,138 NZD at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 4.18ct lab-grown oval diamond

This 4.18ct 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 LG692544251 or 692544251. Listed at 24 retailers as of October 29, 2026, with prices from $5,912 to $45,138, a $39,226 spread on the same certified stone. Do Amore Diamonds lists it at $45,138. 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

4.18

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.3°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG692544251

Dimensions12.87 × 9.17 × 5.64 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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG692544251

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 29

Current: $9,813 NZD|Low: $5,676 NZD|High: $36,391 NZD|Avg: $12,169 NZD|-1.5%

Retailer 1

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 2$5,912 NZD

Retailer 6$6,432 NZD

Retailer 9$6,620 NZD

Retailer 3$6,858 NZD

Retailer 8$6,861 NZD

Retailer 19$7,133 NZD

Retailer 11$7,779 NZD

Retailer 5$9,459 NZD

Retailer 18$9,459 NZD

Retailer 1$9,813 NZD

Retailer 4$10,644 NZD

Retailer 10$11,627 NZD

Retailer 12$11,961 NZD

Retailer 14$16,110 NZD

Retailer 15$16,301 NZD

Retailer 16$16,423 NZD

Retailer 17$17,259 NZD

Retailer 7$26,098 NZD

Retailer 13$27,537 NZD

43 data points across 19 retailers

24 retailers$5,912 NZD to $45,138 NZD

Cheapest Retailer

$5,912 NZD

$3,332 USD

Retailer 2

$6,432 NZD

$3,625 USD

View

Retailer 3

$6,620 NZD

$3,731 USD

View

Final sale: no returns

Retailer 4

$6,858 NZD

$3,865 USD

View

Retailer 5

$6,858 NZD

$3,865 USD

View

Price last confirmed 19 days ago

Retailer 6

$6,861 NZD

$3,867 USD

View

Retailer 7

$7,133 NZD

$4,020 USD

View

Retailer 8

$7,779 NZD

$4,384 USD

View

Retailer 9

$9,459 NZD

$5,331 USD

View

Retailer 10

$9,459 NZD

$5,331 USD

View

Retailer 11

$9,813 NZD

£4,355 GBP

View

B+

Retailer 12

$10,644 NZD

$5,999 USD

View

B+

Retailer 13

$11,627 NZD

£5,160 GBP

View

B+

Retailer 14

$11,961 NZD

€6,420 EUR

View

Retailer 15

$12,098 NZD

$6,818 USD

View

Price last confirmed 83 days ago

B+

Retailer 16

$16,110 NZD

ZAR 146,681 ZAR

View

B+

Retailer 17

$16,301 NZD

£7,234 GBP

View

Retailer 18

$16,423 NZD

A$14,240 AUD

View

Price last confirmed 9 days ago

B+

Retailer 19

$17,259 NZD

$9,727 USD

View

Retailer 20

$26,098 NZD

SGD 19,877 SGD

View

Retailer 21

$26,720 NZD

$15,059 USD

View

Retailer 22

$27,537 NZD

$15,520 USD

View

Retailer 23

$40,667 NZD

$22,920 USD

View

Most Expensive

Do Amore Diamonds

23-692544251 · Oct 31

$45,138 NZD

$25,440 USD

View

23 more retailers have this diamond

Prices start from $5,912 NZDSave up to $39,226 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.

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