Oval|Lab Grown|IGI

6.55ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754507999

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754507999

Diamond specifications and retailer prices

From €18,246 EUR

$20,385 USD

As of October 28, 2026

Save €34,961 EUR (66%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: €53,208 EUR at Cape Diamonds · As of October 29, 2026

View at Cape Diamonds

About this 6.55ct lab-grown oval diamond

This 6.55ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754507999 or 754507999. Listed at 14 retailers as of October 28, 2026, with prices from €18,246 to €53,208, a €34,961 spread on the same certified stone. Cape Diamonds lists it at €53,208. 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

6.55

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.7°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754507999

Dimensions14.78 × 10.55 × 6.64 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 LG754507999

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Oct 28

Current: €53,208 EUR|Low: €17,228 EUR|High: €102,796 EUR|Avg: €42,986 EUR|+1.9%

Cape 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

November 1, 2026

Retailer 10€18,246 EUR

Retailer 5€19,019 EUR

Retailer 3€20,646 EUR

Retailer 12€24,608 EUR

Retailer 9€29,885 EUR

Retailer 11€30,997 EUR

Retailer 7€37,907 EUR

Retailer 2€39,263 EUR

Retailer 13€44,802 EUR

Retailer 8€46,912 EUR

Cape Diamonds€53,208 EUR

Retailer 6€60,969 EUR

Retailer 4€77,132 EUR

Retailer 14€102,796 EUR

30 data points across 14 retailers

14 retailers€18,246 EUR to €53,208 EUR

B+

Cheapest Retailer

€18,246 EUR

$20,385 USD

B+

Retailer 2

€19,019 EUR

$21,248 USD

View

B+

Retailer 3

€20,646 EUR

$23,066 USD

View

B+

Retailer 4

€24,608 EUR

$27,492 USD

View

Retailer 5

€29,885 EUR

£26,290 GBP

View

Price last confirmed 7 days ago

B+

Retailer 6

€30,997 EUR

$34,630 USD

View

Retailer 7

€37,907 EUR

A$65,153 AUD

View

Retailer 8

€39,263 EUR

£34,539 GBP

View

Retailer 9

€44,802 EUR

$50,053 USD

View

Retailer 10

€46,912 EUR

View

Most Expensive

Cape Diamonds

cert_754507999 · Oct 29

€53,208 EUR

ZAR 960,322 ZAR

View

10 more retailers have this diamond

Prices start from €18,246 EURSave up to €34,961 EUR

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

B+

6.55ct Oval

€18,246 EUR