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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 $16,169 CAD
$11,575 USD
As of October 29, 2026
Save $56,274 CAD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $72,443 CAD 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 $16,169 to $72,443, a $56,274 spread on the same certified stone. Do Amore Diamonds lists it at $72,443. 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

How it works →
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: $24,110 CAD|Low: $15,522 CAD|High: $55,733 CAD|Avg: $27,906 CAD|+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
November 1, 2026
Retailer 16$16,169 CAD
Retailer 5$16,816 CAD
Retailer 14$17,336 CAD
Retailer 8$18,109 CAD
Retailer 2$18,756 CAD
Retailer 12$18,760 CAD
Retailer 6$19,403 CAD
Retailer 15$19,900 CAD
Retailer 1$24,110 CAD
Retailer 10$30,466 CAD
Retailer 11$33,225 CAD
Retailer 13$39,054 CAD
Retailer 9$40,063 CAD
Retailer 3$42,019 CAD
Retailer 7$42,019 CAD
Retailer 4$48,101 CAD

44 data points across 16 retailers

24 retailers$16,169 CAD to $72,443 CAD

A
Cheapest Retailer
-
$16,169 CAD
$11,575 USD
A
Retailer 2
-
$16,816 CAD
$12,038 USD
View
Retailer 3
-
$17,336 CAD
$12,410 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$18,109 CAD
$12,964 USD
View
Final sale: no returns
A
Retailer 5
-
$18,756 CAD
$13,427 USD
View
Retailer 6
-
$18,756 CAD
$13,427 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$18,760 CAD
$13,430 USD
View
A
Retailer 8
-
$19,115 CAD
$13,684 USD
View
A
Retailer 9
-
$19,403 CAD
$13,890 USD
View
A
Retailer 10
-
$19,900 CAD
$14,246 USD
View
A
Retailer 11
-
$20,784 CAD
$14,879 USD
View
A
Retailer 12
-
$24,110 CAD
£13,590 GBP
View
B+
Retailer 13
-
$30,466 CAD
£17,173 GBP
View
B+
Retailer 14
-
$33,225 CAD
€22,652 EUR
View
Retailer 15
-
$39,054 CAD
A$43,012 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$40,063 CAD
ZAR 463,322 ZAR
View
B+
Retailer 17
-
$42,019 CAD
$30,080 USD
View
B+
Retailer 18
-
$42,019 CAD
$30,080 USD
View
B+
Retailer 19
-
$48,101 CAD
$34,434 USD
View
B
Retailer 20
-
$51,615 CAD
$36,950 USD
View
B
Retailer 21
-
$55,733 CAD
$39,898 USD
View
B
Retailer 22
-
$59,121 CAD
$42,323 USD
View
Most Expensive
B
Do Amore Diamonds
27-15A20E95B · Oct 31
$72,443 CAD
$51,860 USD
View
22 more retailers have this diamond
Prices start from $16,169 CADSave up to $56,274 CAD

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
$16,169 CAD