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Round|Lab Grown|IGI

5.18ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG517211286

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517211286

Diamond specifications and retailer prices

From $714 USD
As of October 29, 2026
Save $5,626 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,340 USD at Do Amore Diamonds · As of October 31, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG517211286 or 517211286. Listed at 15 retailers as of October 29, 2026, with prices from $714 to $6,340, a $5,626 spread on the same certified stone. Do Amore Diamonds lists it at $6,340. 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
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517211286
Dimensions11.04 × 11.08 × 6.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.04 mm11.08 mm5.18 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517211286
Side View
Table 56.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.3%

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: $6,340 USD|Low: $567 USD|High: $6,340 USD|Avg: $2,317 USD
Do Amore Diamonds
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
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Retailer 16
October 31, 2026
Retailer 12$714 USD
Retailer 3$777 USD
Retailer 15$800 USD
Retailer 13$828 USD
Retailer 10$1,005 USD
Retailer 16$1,290 USD
Retailer 14$1,344 USD
Retailer 7$1,368 USD
Retailer 2$1,853 USD
Retailer 11$2,040 USD
Retailer 4$2,570 USD
Retailer 6$3,266 USD
Retailer 9$3,444 USD
Retailer 8$3,854 USD
Retailer 5$4,920 USD
Do Amore Diamonds$6,340 USD

24 data points across 16 retailers

15 retailers$714 USD to $6,340 USD

A
Cheapest Retailer
-
$714 USD
A
Retailer 2
-
$777 USD
View
A
Retailer 3
-
$800 USD
View
Final sale: no returns
Retailer 4
-
$828 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$828 USD
View
A
Retailer 6
-
$1,005 USD
View
A
Retailer 7
-
$1,290 USD
View
B+
Retailer 8
-
$1,344 USD
View
A
Retailer 9
-
$1,368 USD
View
B+
Retailer 10
-
$1,853 USD
A$2,850 AUD
View
B+
Retailer 11
-
$2,040 USD
View
B
Retailer 12
-
$2,570 USD
View
B
Retailer 13
-
$3,266 USD
View
B
Retailer 14
-
$3,444 USD
£2,712 GBP
View
Most Expensive
B
Do Amore Diamonds
27-10E3497AB · Oct 31
$6,340 USD
View
14 more retailers have this diamond
Prices start from $714 USDSave up to $5,626 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
$714 USD