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Round|Lab Grown|IGI

6.00ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG729550851

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729550851

Diamond specifications and retailer prices

From €9,327 EUR
$10,420 USD
As of October 29, 2026
Save €23,663 EUR (72%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €32,990 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6ct lab-grown round diamond

This 6ct lab-grown round 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 LG729550851 or 729550851. Listed at 25 retailers as of October 29, 2026, with prices from €9,327 to €32,990, a €23,663 spread on the same certified stone. Taylor and Hart lists it at €32,990. 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

6.00
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729550851
Dimensions11.80 × 11.84 × 6.98 mm
L/W Ratio1.00
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
Top View
11.80 mm11.84 mm6.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729550851
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.0%

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: €20,449 EUR|Low: €9,327 EUR|High: €55,837 EUR|Avg: €19,260 EUR|-16.5%
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
Retailer 20
Retailer 21
Taylor and Hart
November 1, 2026
Retailer 8€9,327 EUR
Retailer 21€9,517 EUR
Retailer 19€9,700 EUR
Retailer 18€10,140 EUR
Retailer 7€10,445 EUR
Retailer 9€10,652 EUR
Retailer 15€10,786 EUR
Retailer 11€10,819 EUR
Retailer 20€10,886 EUR
Retailer 14€11,480 EUR
Retailer 16€12,812 EUR
Retailer 10€15,496 EUR
Retailer 5€16,372 EUR
Retailer 12€16,995 EUR
Retailer 3€19,737 EUR
Retailer 2€19,789 EUR
Retailer 1€20,449 EUR
Retailer 6€20,935 EUR
Retailer 17€21,766 EUR
Retailer 4€30,144 EUR
Taylor and Hart€32,990 EUR
Retailer 13€55,837 EUR

38 data points across 22 retailers

25 retailers€9,327 EUR to €32,990 EUR

A
Cheapest Retailer
-
€9,327 EUR
$10,420 USD
A
Retailer 2
-
€9,517 EUR
$10,632 USD
View
A
Retailer 3
-
€9,700 EUR
$10,837 USD
View
A
Retailer 4
-
€10,140 EUR
$11,328 USD
View
A
Retailer 5
-
€10,445 EUR
$11,669 USD
View
Final sale: no returns
A
Retailer 6
-
€10,652 EUR
$11,900 USD
View
A
Retailer 7
-
€10,786 EUR
$12,050 USD
View
A
Retailer 8
-
€10,819 EUR
$12,087 USD
View
A
Retailer 9
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€10,886 EUR
$12,162 USD
View
Retailer 10
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€11,480 EUR
$12,825 USD
View
Price last confirmed 14 days ago
A
Retailer 11
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€12,812 EUR
£11,271 GBP
View
Retailer 12
-
€12,974 EUR
$14,495 USD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
€15,496 EUR
£13,632 GBP
View
B+
Retailer 14
-
€16,372 EUR
$18,291 USD
View
B+
Retailer 15
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€16,995 EUR
£14,950 GBP
View
B+
Retailer 16
-
€18,765 EUR
$20,964 USD
View
B+
Retailer 17
-
€19,737 EUR
$22,050 USD
View
B+
Retailer 18
-
€19,789 EUR
$22,108 USD
View
B+
Retailer 19
-
€20,449 EUR
A$35,148 AUD
View
B+
Retailer 20
-
€20,935 EUR
ZAR 377,849 ZAR
View
B+
Retailer 21
-
€21,766 EUR
View
B
Retailer 22
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€30,144 EUR
$33,677 USD
View
Retailer 23
-
€32,349 EUR
$36,140 USD
View
Price last confirmed 18 days ago
Most Expensive
B
Taylor and Hart
DOPP65X · Oct 31
€32,990 EUR
$36,857 USD
View
23 more retailers have this diamond
Prices start from €9,327 EURSave up to €23,663 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.

A
6.00ct Round
€9,327 EUR