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Round|Lab Grown|IGI

6.18ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG773639253

Shape and cutting style on the report: Round brilliant

Certificate IGI LG773639253

Diamond specifications and retailer prices

From €10,361 EUR
$11,575 USD
As of October 29, 2026
Save €36,059 EUR (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €46,419 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.18ct lab-grown round diamond

This 6.18ct 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 LG773639253 or 773639253. Listed at 24 retailers as of October 29, 2026, with prices from €10,361 to €46,419, a €36,059 spread on the same certified stone. Do Amore Diamonds lists it at €46,419. 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

6.18
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773639253
Dimensions11.70 × 11.72 × 7.31 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
11.70 mm11.72 mm6.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773639253
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

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A
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: Oct 29
Current: €15,449 EUR|Low: €9,946 EUR|High: €37,883 EUR|Avg: €19,271 EUR|+1.3%
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
October 31, 2026
Retailer 17€10,361 EUR
Retailer 5€10,775 EUR
Retailer 15€11,108 EUR
Retailer 8€11,604 EUR
Retailer 2€12,018 EUR
Retailer 13€12,021 EUR
Retailer 6€12,433 EUR
Retailer 16€12,751 EUR
Retailer 1€15,449 EUR
Retailer 11€19,522 EUR
Retailer 12€21,289 EUR
Retailer 14€25,025 EUR
Retailer 10€25,671 EUR
Retailer 3€26,924 EUR
Retailer 7€26,924 EUR
Retailer 4€30,822 EUR
Retailer 9€37,883 EUR

43 data points across 17 retailers

24 retailers€10,361 EUR to €46,419 EUR

A
Cheapest Retailer
-
€10,361 EUR
$11,575 USD
A
Retailer 2
-
€10,775 EUR
$12,038 USD
View
Retailer 3
-
€11,108 EUR
$12,410 USD
View
Price last confirmed 13 days ago
A
Retailer 4
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€11,604 EUR
$12,964 USD
View
Final sale: no returns
A
Retailer 5
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€12,018 EUR
$13,427 USD
View
Retailer 6
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€12,018 EUR
$13,427 USD
View
Price last confirmed 15 days ago
A
Retailer 7
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€12,021 EUR
$13,430 USD
View
A
Retailer 8
-
€12,248 EUR
$13,684 USD
View
A
Retailer 9
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€12,433 EUR
$13,890 USD
View
A
Retailer 10
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€12,751 EUR
$14,246 USD
View
A
Retailer 11
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€13,318 EUR
$14,879 USD
View
A
Retailer 12
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€15,449 EUR
£13,590 GBP
View
B+
Retailer 13
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€19,522 EUR
£17,173 GBP
View
B+
Retailer 14
-
€21,289 EUR
View
Retailer 15
-
€25,025 EUR
A$43,012 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
€25,671 EUR
ZAR 463,322 ZAR
View
B+
Retailer 17
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€26,924 EUR
$30,080 USD
View
B+
Retailer 18
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€26,924 EUR
$30,080 USD
View
B+
Retailer 19
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€30,822 EUR
$34,434 USD
View
B
Retailer 20
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€33,073 EUR
$36,950 USD
View
B
Retailer 21
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€35,712 EUR
$39,898 USD
View
B
Retailer 22
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€37,883 EUR
$42,323 USD
View
Most Expensive
B
Do Amore Diamonds
27-15A20E95B · Oct 31
€46,419 EUR
$51,860 USD
View
22 more retailers have this diamond
Prices start from €10,361 EURSave up to €36,059 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
6.18ct Round
€10,361 EUR