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Round|Lab Grown|IGI

5.18ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG629478569

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629478569

Diamond specifications and retailer prices

From $3,653 USD
As of November 1, 2026
Save $21,477 USD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $25,130 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 5.18ct lab-grown round diamond

This 5.18ct lab-grown round sits in the over five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG629478569 or 629478569. Listed at 23 retailers as of November 1, 2026, with prices from $3,653 to $25,130, a $21,477 spread on the same certified stone. Do Amore Diamonds lists it at $25,130. 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

5.18
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629478569
Dimensions11.20 × 11.17 × 6.79 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
11.20 mm11.17 mm5.18 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629478569
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.7%

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: Nov 1
Current: $25,130 USD|Low: $3,636 USD|High: $25,130 USD|Avg: $8,807 USD
Do Amore Diamonds
Retailer 2
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November 2, 2026
Retailer 6$3,636 USD
Retailer 3$3,653 USD
Retailer 23$3,974 USD
Retailer 15$4,160 USD
Retailer 7$4,237 USD
Retailer 9$4,843 USD
Retailer 8$5,730 USD
Retailer 19$5,730 USD
Retailer 4$5,845 USD
Retailer 16$5,914 USD
Retailer 13$6,118 USD
Retailer 12$6,606 USD
Retailer 11$7,172 USD
Retailer 5$7,220 USD
Retailer 2$7,656 USD
Retailer 21$9,502 USD
Retailer 17$10,019 USD
Retailer 14$10,713 USD
Retailer 20$13,490 USD
Retailer 22$14,851 USD
Retailer 18$16,102 USD
Retailer 10$17,106 USD
Do Amore Diamonds$25,130 USD

31 data points across 23 retailers

23 retailers$3,653 USD to $25,130 USD

A
Cheapest Retailer
-
$3,653 USD
A
Retailer 2
-
$3,974 USD
View
A
Retailer 3
-
$4,160 USD
View
A
Retailer 4
-
$4,237 USD
View
A
Retailer 5
-
$4,843 USD
View
Final sale: no returns
A
Retailer 6
-
$5,730 USD
View
A
Retailer 7
-
$5,730 USD
View
A
Retailer 8
-
$5,845 USD
View
A
Retailer 9
-
$5,914 USD
HK$46,200 HKD
View
A
Retailer 10
-
$6,118 USD
£4,817 GBP
View
A
Retailer 11
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$6,606 USD
View
A
Retailer 12
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$7,172 USD
View
A
Retailer 13
-
$7,220 USD
View
A
Retailer 14
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$7,656 USD
€7,291 EUR
View
B+
Retailer 15
-
$9,502 USD
ZAR 153,504 ZAR
View
B+
Retailer 16
-
$10,019 USD
£7,889 GBP
View
B+
Retailer 17
-
$10,713 USD
View
B+
Retailer 18
-
$13,490 USD
View
B
Retailer 19
-
$14,851 USD
View
B
Retailer 20
-
$16,102 USD
A$24,772 AUD
View
B
Retailer 21
-
$16,604 USD
View
B
Retailer 22
-
$17,106 USD
SGD 23,116 SGD
View
Most Expensive
B
Do Amore Diamonds
27-148DE786B · Nov 2
$25,130 USD
View
22 more retailers have this diamond
Prices start from $3,653 USDSave up to $21,477 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
5.18ct Round
$3,653 USD