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Round|Lab Grown|IGI

5.17ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG624415054

Shape and cutting style on the report: Round brilliant

Certificate IGI LG624415054

Diamond specifications and retailer prices

From $3,626 USD
As of October 29, 2026
Save $11,403 USD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $15,029 USD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 5.17ct lab-grown round diamond

This 5.17ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG624415054 or 624415054. Listed at 23 retailers as of October 29, 2026, with prices from $3,626 to $15,029, a $11,403 spread on the same certified stone. Michael Trio lists it at $15,029. 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

5.17
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624415054
Dimensions11.15 × 11.18 × 6.74 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
11.15 mm11.18 mm5.17 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624415054
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.4%

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: $15,029 USD|Low: $3,626 USD|High: $16,240 USD|Avg: $7,539 USD
Michael Trio
Retailer 2
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Retailer 22
October 31, 2026
Retailer 3$3,626 USD
Retailer 22$3,945 USD
Retailer 12$4,131 USD
Retailer 6$4,206 USD
Retailer 17$4,417 USD
Retailer 8$4,737 USD
Retailer 14$5,197 USD
Retailer 4$5,255 USD
Retailer 13$5,470 USD
Retailer 7$5,687 USD
Retailer 21$5,690 USD
Retailer 9$6,382 USD
Retailer 2$6,780 USD
Retailer 5$7,520 USD
Retailer 10$8,376 USD
Retailer 18$8,544 USD
Retailer 20$8,625 USD
Retailer 19$9,056 USD
Retailer 16$9,260 USD
Retailer 11$10,577 USD
Retailer 15$14,832 USD
Michael Trio$15,029 USD

30 data points across 22 retailers

23 retailers$3,626 USD to $15,029 USD

A
Cheapest Retailer
-
$3,626 USD
A
Retailer 2
-
$3,945 USD
View
A
Retailer 3
-
$4,131 USD
View
A
Retailer 4
-
$4,206 USD
View
A
Retailer 5
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$4,417 USD
£3,478 GBP
View
A
Retailer 6
-
$4,737 USD
View
Final sale: no returns
A
Retailer 7
-
$5,197 USD
HK$40,600 HKD
View
A
Retailer 8
-
$5,255 USD
View
A
Retailer 9
-
$5,470 USD
£4,307 GBP
View
A
Retailer 10
-
$5,687 USD
View
A
Retailer 11
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$5,690 USD
View
A
Retailer 12
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$6,382 USD
View
A
Retailer 13
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$6,780 USD
€6,457 EUR
View
Retailer 14
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$7,520 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$8,376 USD
View
B+
Retailer 16
-
$8,544 USD
ZAR 138,022 ZAR
View
Retailer 17
-
$8,625 USD
A$13,269 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$9,056 USD
£7,131 GBP
View
B+
Retailer 19
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$9,260 USD
View
B+
Retailer 20
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$10,577 USD
View
B+
Retailer 21
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$11,147 USD
View
B
Retailer 22
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$14,832 USD
View
Most Expensive
B
Michael Trio
1129805626 · Oct 31
$15,029 USD
SGD 20,310 SGD
View
22 more retailers have this diamond
Prices start from $3,626 USDSave up to $11,403 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.

A
5.17ct Round
$3,626 USD