Oval|Lab Grown|IGI

5.51ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG762545888

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG762545888

Diamond specifications and retailer prices

From $8,866 USD

As of November 1, 2026

Save $25,667 USD (74%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $34,533 USD at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 5.51ct lab-grown oval diamond

This 5.51ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545888 or 762545888. Listed at 14 retailers as of October 31, 2026, with prices from $8,866 to $34,533, a $25,667 spread on the same certified stone. Taylor and Hart lists it at $34,533. 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

5.51

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.7°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG762545888

Dimensions14.34 × 10.09 × 6.07 mm

L/W Ratio1.42

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG762545888

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: $19,727 USD|Low: $8,866 USD|High: $45,288 USD|Avg: $21,448 USD|-25.1%

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

Taylor and Hart

November 1, 2026

Retailer 2$8,866 USD

Retailer 10$11,545 USD

Retailer 13$11,583 USD

Retailer 4$12,109 USD

Retailer 6$13,113 USD

Retailer 3$15,680 USD

Retailer 5$18,314 USD

Retailer 8$18,330 USD

Retailer 7$18,550 USD

Retailer 1$19,727 USD

Retailer 9$22,455 USD

Retailer 12$30,499 USD

Retailer 11$30,927 USD

Taylor and Hart$34,533 USD

37 data points across 14 retailers

14 retailers$8,866 USD to $34,533 USD

Cheapest Retailer

$8,866 USD

Retailer 2

$11,545 USD

View

Retailer 3

$11,583 USD

View

Retailer 4

$12,109 USD

HK$94,600 HKD

View

Retailer 5

$13,113 USD

£10,325 GBP

View

Retailer 6

$15,680 USD

View

B+

Retailer 7

$18,314 USD

View

B+

Retailer 8

$18,330 USD

View

B+

Retailer 9

$18,550 USD

€17,667 EUR

View

B+

Retailer 10

$19,727 USD

£15,533 GBP

View

B+

Retailer 11

$22,455 USD

ZAR 362,762 ZAR

View

B+

Retailer 12

$30,499 USD

View

Retailer 13

$30,927 USD

View

Most Expensive

Taylor and Hart

8KPLXXC · Oct 31

$34,533 USD

View

13 more retailers have this diamond

Prices start from $8,866 USDSave up to $25,667 USD

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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5.51ct Oval

$8,866 USD